AOF Industries is headquartered at 5335 West Oak Street in Palestine, Texas 75801. The East Texas office can be reached at (903) 480-0810, and the West Texas office can be reached at (903) 646-1123.
Where is AOF Industries located?
Commercial Electrical Installation and Maintenance FAQs for Businesses and Municipal Facilities
A commercial electrician installs, maintains, and repairs electrical systems in businesses and public buildings, including offices, retail stores, warehouses, clinics, schools, and municipal facilities. The work includes service entrances, panels, three-phase power, lighting, receptacles, HVAC circuits, and equipment connections. AOF Industries provides commercial electrical installation and maintenance alongside its industrial services.
Commercial electrical installation typically includes the electrical service and meter, switchboards and panelboards, feeders and branch circuits, lighting and lighting controls, receptacles, equipment connections, HVAC power, fire alarm and emergency lighting coordination, and grounding. Every installation must meet the National Electrical Code and pass inspection by the local authority having jurisdiction.
Commercial electrical maintenance is the ongoing inspection, testing, and repair of a building's electrical system to keep it safe and reliable. It includes checking panels and connections, testing breakers, inspecting emergency lighting, identifying overloaded circuits, and repairing failed equipment. Regular maintenance prevents outages that interrupt business operations.
Most commercial buildings benefit from a professional electrical inspection at least once a year, with more frequent checks for facilities with heavy equipment loads, older wiring, or critical operations. Inspections are also recommended before adding major equipment, after a renovation, and when purchasing or leasing a building.
Signs a commercial electrical system needs an upgrade include frequent breaker trips, panels with no room for new circuits, lights dimming when equipment starts, warm or discolored outlets and panels, reliance on extension cords, outdated or recalled panels, and plans to add equipment the existing service cannot support. Upgrades protect the building and support business growth.
Three-phase power delivers electricity through three alternating currents that are offset from each other, which provides smoother, more efficient power than single-phase service. Commercial buildings use three-phase power to run large HVAC units, motors, compressors, elevators, and kitchen or production equipment. Common commercial three-phase systems include 120/208V and 277/480V.
Warehouses and retail facilities typically need high-bay and parking lot lighting, three-phase power for HVAC and equipment, dock door and overhead door circuits, forklift charging stations, refrigeration circuits, point-of-sale power, and emergency lighting. AOF Industries provides commercial electrical services for retail and warehouse facilities.
Municipal facilities often require electrical service for city buildings, water and wastewater plants, lift stations, pump stations, well sites, public works yards, and street or park lighting. Many of these systems also need controls, backup power, and remote monitoring. AOF Industries provides commercial electrical services for municipal facilities and water management automation.
Most commercial electrical projects in Texas require a permit from the local city or county authority having jurisdiction, and the work must be performed by a licensed electrical contractor. Permit and inspection requirements vary by location, so the contractor should confirm local rules before work starts.
Choose a commercial electrical contractor by confirming a valid state license, such as a Texas TECL number, asking about experience with your type of facility, reviewing safety practices, and requesting a clear written estimate. A contractor that can handle design, installation, and future maintenance simplifies long-term service. AOF Industries holds TECL #36779 and offers free estimates.
Yes. AOF Industries specializes in new commercial and industrial construction as well as maintenance for existing facilities. Commercial clients can work with AOF from planning and installation through ongoing maintenance.
Commercial Generator Installation and Replacement FAQs
The right size commercial generator depends on the loads that must stay running during an outage, including HVAC, lighting, refrigeration, IT equipment, pumps, and production machinery, along with the starting current of large motors. A load analysis or review of utility demand data determines the required kilowatt rating. Undersized generators overload, while oversized units cost more and can suffer from light-load problems.
An automatic transfer switch, or ATS, monitors utility power and automatically transfers a building's electrical load to the generator when an outage occurs, then transfers it back once utility power returns. It also signals the generator to start and stop. A properly sized and installed ATS is required for a standby generator to operate safely and automatically.
A standby generator provides backup power only when utility power fails and is rated for limited run hours during outages. A prime power generator is rated to run as the main source of power for extended periods, such as at remote sites without utility service. The rating affects how the generator is sized, fueled, and maintained.
Natural gas generators connect to a utility gas line for a continuous fuel supply, produce lower emissions, and avoid fuel storage issues, but depend on gas service remaining available. Diesel generators offer strong load response and on-site fuel storage, but require fuel maintenance and refueling during long outages. The best choice depends on fuel availability, load type, runtime needs, and code requirements.
A well-maintained commercial standby generator often lasts 20 to 30 years, with engine life commonly measured in the tens of thousands of operating hours. Actual life depends on maintenance, run hours, fuel quality, climate, and how heavily the unit is loaded. Parts availability for older models is often what drives replacement.
A commercial generator should be replaced when it can no longer handle the building's load, repairs become frequent or costly, replacement parts are hard to find, it fails load testing, or it no longer meets current code or emissions requirements. Facility expansions that add significant load are also a common reason to replace a generator with a larger unit.
Commercial generator installation time depends on generator lead time, permitting, site preparation, the concrete pad, fuel connections, transfer switch installation, and final testing. The on-site installation itself may take days, while equipment procurement can take much longer for larger units. A contractor can provide a realistic schedule after reviewing the project.
Most commercial generator installations require electrical permits, and many also require mechanical, fuel gas, or building permits depending on the jurisdiction. Local codes may also regulate placement, setbacks, noise, and fuel storage. A licensed electrical contractor should coordinate permits and inspections.
Commercial standby generators are commonly exercised weekly or monthly, depending on the manufacturer's recommendations and applicable codes. Generators that serve emergency systems under NFPA 110 must be exercised at least monthly under load. Regular exercise keeps the engine lubricated, charges the batteries, and reveals problems before an outage.
Load bank testing uses a portable device to apply an artificial electrical load to a generator so technicians can verify it produces its rated output. It is useful when the building's actual load is too light for a proper test and helps burn off unburned fuel buildup in diesel engines. Load bank testing confirms the generator will perform when it is needed.
Yes. An existing generator can be replaced with a larger unit, but the transfer switch, feeders, breakers, fuel supply, pad, and clearances must be evaluated to confirm they support the new capacity. Some upgrades also require new permits. AOF Industries provides commercial generator installation and replacement services.
Custom Control Panel Design and UL 508A Panel Shop FAQs
A UL 508A panel shop is a fabrication facility that UL Solutions has authorized to build industrial control panels to the UL 508A standard and apply the UL mark to qualifying panels. The shop is audited to confirm it follows the standard for component selection, wiring, spacing, and short circuit current rating. AOF Industries is a UL 508A certified panel shop.
UL 508A certification means a control panel was designed and built to the UL 508A Standard for Industrial Control Panels using approved components, correct wire sizing, proper spacing, and a calculated short circuit current rating. A UL 508A labeled panel gives inspectors, insurers, and facility owners confidence that the panel meets recognized safety requirements.
Many electrical inspectors, insurance carriers, and project specifications require UL listed control panels because the listing shows the panel was built to a recognized safety standard. Without a listing, the authority having jurisdiction may require a field evaluation, which adds cost and delay. Ordering from a UL 508A shop avoids that problem.
A control panel is an enclosure that houses the electrical and electronic components used to control and monitor machinery or processes, such as PLCs, relays, motor starters, variable frequency drives, power supplies, terminal blocks, and communication equipment. Control panels are the nerve center for pumps, compressors, conveyors, and automated systems in industrial and oilfield settings.
An electrical panel, such as a breaker panel or panelboard, distributes power to circuits throughout a building. A control panel uses components like PLCs, relays, and drives to control how specific equipment operates. Some assemblies do both, such as motor control panels that include power distribution and control logic in one enclosure.
Custom control panel fabrication includes reviewing the application, designing the layout and electrical schematics, selecting the enclosure and components, cutting and mounting backplates, wiring and labeling, loading programs, and testing the finished panel. AOF Industries designs panels for power distribution, motor control, process automation, substation control, and oil and gas production.
Short circuit current rating, or SCCR, is the maximum fault current an industrial control panel can safely withstand without creating a fire or shock hazard. The National Electrical Code requires industrial control panels to be marked with their SCCR, and that rating must meet or exceed the available fault current where the panel is installed. UL 508A provides the method for calculating it.
Explosion-proof control panels use heavy enclosures designed to contain an internal explosion and prevent it from igniting surrounding flammable gases. Intrinsically safe systems limit electrical energy in field circuits so low that they cannot create an ignition spark. Both methods are used in classified hazardous locations, and AOF Industries builds panels for hazardous oil and gas environments.
The right NEMA enclosure rating depends on where the panel will be installed. NEMA 12 is common for indoor industrial spaces with dust and dripping liquids, NEMA 4 and 4X are used outdoors or in washdown areas, with 4X adding corrosion resistance, and NEMA 7 is used in indoor hazardous locations. Outdoor oilfield panels often use NEMA 4X stainless steel or fiberglass.
Yes. Control panels should be tested before shipment to verify wiring, power distribution, I/O, programming, and communication. AOF Industries tests panels before installation, which shortens commissioning time and reduces startup problems in the field.
AOF Industries operates more than 12,000 square feet of fabrication space and 3 acres of secure project staging and warehousing at its Palestine, Texas location. That capacity allows the company to build control panels and assemblies in-house and stage materials for larger projects.
AOF Industries builds custom control panels to project-specific requirements, working with clients to match the panel to their specifications, application, and applicable codes. Customers who already have drawings or specifications can share them during the estimating process, and those without drawings can have AOF design the panel from the ground up.
Healthcare Facility Electrical FAQs for Clinics and Medical Buildings
Healthcare facility electrical systems in the United States must meet NEC Article 517, which covers healthcare facilities, along with NFPA 99, the Health Care Facilities Code, and NFPA 110 for emergency and standby power. Requirements include redundant grounding in patient care areas, hospital-grade receptacles in certain locations, and an essential electrical system for facilities that need one. The exact requirements depend on the type of facility and the care it provides.
NEC Article 517 is the section of the National Electrical Code that covers electrical construction and installation criteria in healthcare facilities, including hospitals, clinics, medical and dental offices, nursing homes, and outpatient centers. It addresses patient care spaces, grounding, receptacles, essential electrical systems, and isolated power systems. Electricians working in healthcare settings need a working knowledge of Article 517.
An essential electrical system, or EES, is the portion of a healthcare facility's electrical system that is supplied by an alternate power source, usually a generator, when utility power fails. In hospitals, the EES is divided into the life safety branch, the critical branch, and the equipment branch. It keeps lighting, patient care equipment, and critical building systems running during an outage.
The life safety branch powers systems needed to protect people during an outage, such as egress lighting, exit signs, fire alarm systems, and certain communication systems. The critical branch powers task lighting and selected receptacles and equipment in patient care areas that directly support patient treatment. Both must be restored quickly by the alternate power source.
In hospitals, the life safety and critical branches of the essential electrical system must be restored within 10 seconds of a utility power failure. This is why hospitals use Type 10 emergency power supply systems under NFPA 110. Other facility types may have different requirements based on the care they provide.
An isolated power system is an ungrounded electrical system, supplied through an isolation transformer, that allows equipment to keep operating during a first ground fault while a line isolation monitor alerts staff. Isolated power is used in wet procedure locations, such as some operating rooms, where an unexpected power interruption could endanger a patient.
A hospital-grade receptacle is an outlet built and tested to stricter standards for grounding reliability, durability, and plug retention than standard receptacles. They are identified by a green dot and are required in certain patient care locations by the NEC. Hospital-grade receptacles help ensure medical equipment stays reliably connected and grounded.
Whether a medical clinic needs a backup generator depends on the type of care it provides, the equipment it uses, and the applicable codes and licensing requirements. Clinics that use life support equipment, general anesthesia, or critical refrigeration often require an alternate power source, while many routine outpatient offices do not. A qualified electrical contractor and design professional can confirm what applies.
Under NFPA 110, generators serving Level 1 emergency power supply systems in healthcare facilities must be exercised at least monthly for 30 minutes under load, and they must complete a 4-hour load test at least once every 36 months. Accrediting organizations like The Joint Commission review these testing records during surveys. Documentation of every test is essential.
Yes, but electrical work in an occupied healthcare facility requires careful planning to protect patients and maintain operations. That typically means phased scheduling, temporary power where needed, coordination of shutdowns with facility staff, dust and infection control measures, and compliance with the facility's safety policies. Planned outages are usually scheduled during low-activity hours.
Yes. AOF Industries provides commercial electrical services for healthcare facilities and clinics, including electrical installation and maintenance. Healthcare operators can call (903) 480-0810 to discuss project requirements and request a free estimate.
Industrial Electrical Installation and Maintenance FAQs for Texas Facilities
An industrial electrician installs, maintains, troubleshoots, and repairs the electrical systems that power plants, processing facilities, oilfield sites, and manufacturing operations. That work includes motor controls, three-phase power distribution, conduit and cable runs, lighting, instrumentation wiring, and control panels. AOF Industries provides industrial electrical installation and maintenance for oil and gas, chemical, water, and manufacturing facilities from its base in Palestine, Texas.
Commercial electrical work covers buildings like offices, retail stores, warehouses, clinics, and municipal facilities, where the focus is lighting, receptacles, HVAC circuits, and building power. Industrial electrical work supports production equipment such as motors, pumps, compressors, PLCs, and process controls, often at higher voltages and in harsher or hazardous environments. AOF Industries handles both, which lets facilities with mixed needs work with a single contractor.
Most industrial electrical systems should receive a formal inspection at least once a year, with critical equipment checked more often based on its condition, load, and operating environment. NFPA 70B, which became an enforceable standard in its 2023 edition, bases maintenance intervals on equipment condition and criticality rather than a single fixed schedule. Dusty, wet, corrosive, or high-vibration sites usually need shorter intervals.
Preventive electrical maintenance is scheduled work performed before equipment fails, including tightening terminations, cleaning enclosures, testing breakers and protective devices, checking motor insulation, inspecting grounding, and verifying control wiring. The goal is to catch loose connections, overheating, and wear early so a planned repair replaces an unplanned shutdown. AOF Industries offers ongoing industrial electrical maintenance for existing facilities.
The most common causes of industrial electrical failure are loose or corroded connections, overloaded circuits, moisture intrusion, dust buildup, heat, vibration, insulation breakdown in motors and cables, and aging components that have passed their service life. Power quality problems such as voltage imbalance, harmonics, and surges from lightning or switching also shorten equipment life. Routine inspection and testing address most of these before they cause downtime.
A motor control center, or MCC, is an assembly of enclosed sections that houses motor starters, variable frequency drives, overload protection, and circuit breakers for multiple motors in one location. MCCs centralize control of pumps, fans, conveyors, and compressors, which simplifies maintenance and improves safety. Industrial electricians install, wire, and service MCCs as part of facility power distribution.
Warning signs include breakers that trip repeatedly, flickering or dimming lights when large motors start, burning smells, discolored or warm enclosures and terminations, buzzing from panels or transformers, motors that run hot, and unexplained equipment shutdowns. Any of these points to a problem that can escalate into a fire, arc flash, or production outage. A qualified industrial electrician should troubleshoot the cause rather than resetting equipment and moving on.
Yes. AOF Industries handles electrical installation for new commercial and industrial construction as well as maintenance and upgrades at existing facilities. Because AOF also designs electrical systems, fabricates control panels in its own shop, and programs automation equipment, a new facility can move from design through installation and commissioning with one contractor.
Reducing electrical downtime starts with a preventive maintenance program, accurate drawings and panel documentation, spare parts for critical components, and monitoring that flags problems before they cause a shutdown. Upgrading obsolete controls, correcting overloaded circuits, and repairing failed circuit boards instead of waiting on long lead times for replacements also shorten outages. AOF Industries combines electrical maintenance, automation, and board repair to help facilities stay in production.
Yes. AOF Industries holds Texas Electrical Contractor License TECL #36779, issued through the Texas Department of Licensing and Regulation. Texas requires electrical contractors to be licensed, so verifying a contractor's TECL number is a good first step before hiring anyone for commercial or industrial electrical work.
Industrial Electrical System Design FAQs for TX LA and NM Facilities
Electrical system design is the engineering process of planning how power will be delivered, distributed, protected, and controlled throughout a facility before anything is built or installed. It covers service sizing, load calculations, one-line diagrams, equipment selection, conductor sizing, grounding, and code compliance. Good design keeps installation on schedule, controls cost, and leaves room for future expansion.
An industrial electrical design package typically includes one-line diagrams, load calculations, panel schedules, equipment layouts, conduit and cable schedules, grounding and bonding plans, lighting layouts, control wiring diagrams, and hazardous area classification drawings where flammable gases or vapors are present. These documents give installers, inspectors, and future maintenance crews a clear picture of how the system works.
A one-line diagram, also called a single-line diagram, is a simplified drawing that shows how electrical power flows through a facility, from the utility service or generator through transformers, switchgear, breakers, and panels to major loads. It uses a single line to represent three-phase circuits. One-line diagrams are essential for design, arc flash studies, troubleshooting, and safe switching.
An electrical load calculation determines how much power a building or facility will draw so the service, feeders, transformers, and panels can be sized correctly. It accounts for motors, lighting, HVAC, process equipment, and expected future loads, along with demand factors defined by the National Electrical Code. An accurate load calculation prevents undersized equipment that overheats and oversized equipment that wastes money.
Hazardous area classification identifies locations where flammable gases, vapors, dusts, or fibers could be present in amounts capable of ignition. Under the NEC, Class I covers gases and vapors, with Division 1 meaning hazards exist under normal operating conditions and Division 2 meaning they appear only under abnormal conditions. Classification determines which explosion-proof, purged, or intrinsically safe equipment must be used at oil and gas and chemical sites.
Industrial electrical design in the United States is governed primarily by the National Electrical Code (NFPA 70), along with NFPA 70E for workplace electrical safety, OSHA regulations, UL standards for equipment, and local amendments adopted by the authority having jurisdiction. Oil and gas facilities also reference API recommended practices for classified locations. A design that meets code from the start avoids costly rework during inspection.
Electrical design before construction prevents conflicts between trades, ensures equipment arrives with the correct ratings, and gives the project an accurate material list and budget. It also documents how the system will be protected and controlled, which inspectors and maintenance teams rely on for years afterward. Skipping design often leads to change orders, delays, and systems that cannot support future growth.
Yes. An existing electrical system can be evaluated and redesigned to support new equipment, additional production lines, or higher loads. The process usually starts with a field survey, updated drawings, and a load analysis to see whether the service, transformers, and distribution equipment can handle the added demand or need to be upgraded.
The timeline for industrial electrical system design depends on the facility size, the number of systems involved, how complete the existing documentation is, and whether hazardous area classification or automation design is part of the scope. Small upgrades can be designed quickly, while new plants and large expansions take longer. AOF Industries can give a project-specific timeline once it reviews the scope.
Yes. AOF Industries designs electrical systems and then installs, commissions, and maintains them, which keeps accountability with one team from the first drawing to startup. AOF also fabricates control panels in its own shop, so design, panel building, and field installation stay coordinated.
AOF Industries provides electrical system design for facilities across Texas, Louisiana, and New Mexico, including locations such as Austin, Arlington, Bullard, Shreveport, Bossier City, Baton Rouge, Lafayette, Lake Charles, New Orleans, Kenner, Albuquerque, Las Cruces, Roswell, and Santa Fe. The company is headquartered in Palestine, Texas.
IPC-Certified Circuit Board Repair FAQs for Oilfield and Industrial Electronics
IPC-7711/7721 is the industry standard for the rework, modification, and repair of electronic assemblies and printed circuit boards. IPC-7711 covers rework of electronic assemblies, such as removing and replacing components, and IPC-7721 covers repair and modification of the printed boards themselves. AOF Industries board repair technicians are IPC-7711/7721 certified.
Repairing a circuit board is often faster and less expensive than replacing it, especially when replacement boards are obsolete, backordered, or carry long lead times. Replacement makes more sense when a board is heavily corroded, has been burned, or relies on parts that are no longer available. AOF Industries evaluates each board on the bench and weighs repair cost against the price of a new board.
AOF Industries charges $50.00 to bench a printed circuit board and $85.00 per hour for repair labor. Most boards take about 1 to 1.5 hours to repair. Some boards require extended time, and AOF factors the cost of repair against the cost of a new board before proceeding.
A bench fee covers the time a technician spends diagnosing a board to decide whether it can be repaired. At AOF Industries, the $50.00 bench fee includes troubleshooting the board with an oscilloscope to find the fault and confirm the repair is practical before labor charges begin.
Most circuit board repairs at AOF Industries take about 1 to 1.5 hours of labor once the board is on the bench. Complex boards, extensive damage, or hard-to-source components can extend that time. Contact AOF at (903) 480-0810 for current turnaround on a specific board.
AOF Industries repairs a wide range of oilfield and industrial boards, including ABB Totalflow and Totalflow Microflo G3, Amocams, AutoPilot, Bristol, Ferguson, Fisher ROCs, KimRay, Weatherford DACC boards, Lufkin Well Manager, displays, MDS and Transnet radios, Siemens 2100, Thermo Fisher, and Yaskawa A1000 drives. Technicians are trained on many other PCBs as well.
Surface mount repair involves components soldered directly onto pads on the surface of the circuit board, which requires precise tools and technique because the parts are small and closely spaced. Thru-hole repair involves components whose leads pass through drilled holes in the board and are soldered on the opposite side. AOF Industries performs both surface mount and thru-hole repair.
Component-level board repair means diagnosing and replacing the individual failed parts on a circuit board, such as capacitors, resistors, integrated circuits, regulators, or connectors, rather than replacing the entire board. It is usually the most cost-effective way to return a board to service. AOF Industries offers component-level repair on oilfield and industrial electronics.
Some circuit boards cannot be repaired because of obsolete components that are no longer manufactured, severe corrosion that has damaged traces, burn damage, or custom applications with undocumented parts. These problems become more common as boards age. AOF Industries identifies these issues during bench testing before repair labor is performed.
To send a board for repair, download the AOF Industries Board Repair Form in PDF or Excel format from the Board Repair page, complete it, and email it to info@aofindustries.com. The form helps technicians understand the equipment and the problem before the board reaches the bench.
Yes. AOF Industries repairs ABB Totalflow boards, including the Totalflow Microflo G3, along with other flow computer and measurement electronics commonly used in natural gas production and midstream operations.
Oilfield circuit boards commonly fail from lightning strikes and power surges, heat inside enclosures, moisture and condensation, corrosion from hydrogen sulfide and humidity, vibration, and aging capacitors. Failed solar charging systems and poor grounding also contribute. Many of these failures can be repaired at the component level.
Medium Voltage Electrical Service FAQs for Industrial Operations
Medium voltage generally refers to electrical systems operating between about 1,000 volts (1 kV) and roughly 35,000 volts (35 kV). Common industrial and utility distribution levels in this range include 4.16 kV, 12.47 kV, 13.8 kV, and 25 kV. Medium voltage systems require specialized equipment, cable, terminations, and qualified personnel beyond what typical low voltage building wiring needs.
Low voltage in industrial and commercial settings usually means systems at 1,000 volts or less, such as 120/208V, 277/480V, and 600V. Medium voltage covers roughly 1 kV to 35 kV and is used for plant-wide distribution and large motors. High voltage typically refers to transmission-level systems above 35 kV that move power over long distances before it is stepped down at substations.
Industrial facilities use medium voltage because it moves large amounts of power across a site with lower current, smaller conductors, and less energy lost as heat compared with low voltage distribution. It also supports large motors, compressors, and pumps that would be impractical at 480 volts. Transformers then step the voltage down near the equipment or buildings that need it.
A medium voltage system typically includes switchgear, circuit breakers, vacuum or SF6 interrupters, protective relays, fused disconnects, transformers, shielded medium voltage cable, terminations and splices, surge arresters, and grounding. Some facilities also have medium voltage motor starters and capacitor banks for power factor correction. Each component must be rated for the system voltage and available fault current.
Medium voltage switchgear is an assembly of breakers, switches, fuses, relays, and metering housed in metal enclosures that controls, protects, and isolates medium voltage circuits. It lets operators de-energize sections of a distribution system for maintenance and automatically clears faults to protect equipment and people. Switchgear requires periodic inspection, cleaning, relay testing, and breaker maintenance to operate reliably.
A medium voltage cable termination is the prepared end of a shielded cable where it connects to switchgear, a transformer, or another piece of equipment. Terminations control the electrical stress where the cable's shield ends, which prevents insulation failure and flashover. Proper splicing and termination require trained technicians because small errors in preparation can lead to failures months or years later.
A pad-mounted transformer is a ground-level transformer housed in a locked, tamper-resistant steel cabinet on a concrete pad. It steps medium voltage distribution power down to usable voltages such as 480V or 208V for buildings and equipment. Pad-mounted transformers are common at commercial sites, industrial facilities, and oilfield locations where overhead lines are not practical.
Medium voltage work falls under NFPA 70E for electrical safety in the workplace, OSHA electrical safety regulations, and the National Electrical Code (NFPA 70) for installation. These standards require qualified workers, arc flash and shock risk assessments, proper personal protective equipment, lockout/tagout procedures, and verification that equipment is de-energized before work begins. Medium voltage should never be handled by untrained personnel.
An arc flash is a sudden release of energy when electric current jumps through the air between conductors or from a conductor to ground. It can produce extreme heat, pressure waves, molten metal, and intense light that cause severe burns and injuries. Arc flash risk is higher in medium voltage equipment, which is why labeling, risk assessments, PPE, and maintained protective devices are essential.
Medium voltage equipment testing intervals depend on equipment condition, criticality, and environment, with many facilities following a one-to-three-year cycle for switchgear, breakers, relays, and transformers. NFPA 70B guides condition-based maintenance, and equipment in poor condition or harsh environments needs more frequent attention. Infrequent testing is one of the leading reasons protective devices fail to operate when a fault occurs.
Yes. AOF Industries provides medium voltage electrical services for industrial facilities as part of its industrial electric work. Facilities that need medium voltage installation, upgrades, or maintenance can contact AOF at (903) 480-0810 to discuss the scope of the project and request a free estimate.
Natural Gas Measurement and EFM Service FAQs
Natural gas measurement is the process of determining the volume and energy content of natural gas flowing through a meter so it can be accurately accounted for, sold, and reported. Accurate measurement affects royalty payments, sales revenue, and regulatory compliance. AOF Industries provides natural gas measurement services for oil and gas producers and midstream companies.
An EFM, or electronic flow measurement device, is a flow computer that collects pressure, temperature, and flow data from a gas meter and calculates gas volume electronically. EFMs have largely replaced paper chart recorders because they provide more accurate data, store records, and can be monitored remotely. AOF Industries maintains electronic flow measurement equipment for clients across multiple fields.
Custody transfer measurement is the metering point where ownership of natural gas or liquids passes from one party to another, such as from a producer to a pipeline or gathering company. Because money changes hands based on these volumes, custody transfer meters must meet strict accuracy standards and be regularly calibrated and verified. AOF Industries installs custody transfer-qualified meters for the natural gas industry.
An orifice meter measures gas flow by passing it through a plate with a precisely sized hole and measuring the pressure drop, called differential pressure, across that plate. Combined with static pressure and temperature, the differential pressure is used to calculate flow. Orifice meters are among the most common meters used in natural gas measurement.
AGA Report No. 3 is the American Gas Association standard for measuring natural gas with orifice meters. It defines the meter tube, orifice plate, installation requirements, and calculation methods used to determine flow volume. Many gas contracts and regulations require measurement to follow AGA 3.
Differential pressure is the difference in pressure measured upstream and downstream of a flow restriction, such as an orifice plate. It is one of the primary values used to calculate gas flow, along with static pressure and flowing temperature. Accurate differential pressure transmitters and regular calibration are essential for reliable measurement.
Natural gas meter calibration frequency depends on contract terms, regulatory requirements, meter type, and production volume, with many high-volume and custody transfer meters calibrated monthly or quarterly. AOF Industries offers monthly calibrations as part of its gas measurement services. Regular calibration protects both buyers and sellers from measurement errors.
Third-party witnessing is when an independent technician observes meter calibrations, repairs, or installations to verify the work was performed correctly and the results are accurate. Witnessing is common when multiple parties have a financial interest in the measured volumes. AOF Industries provides third-party witnessing for meter installation and repair work.
A chart recorder is a mechanical device that records differential pressure, static pressure, and sometimes temperature on a circular paper chart over time. The chart is later integrated to calculate the gas volume. Although many sites have moved to electronic flow measurement, chart recorders remain in use, and AOF Industries technicians maintain them.
Gas measurement accuracy matters because even small errors across high-volume meters add up to significant losses in revenue, royalties, and taxes. Inaccurate measurement can also cause disputes between buyers and sellers and create regulatory reporting problems. Routine calibration, maintenance, and verification protect a company's bottom line.
A gas flow computer is an electronic device that receives inputs from pressure, differential pressure, and temperature transmitters and calculates gas flow and volume using industry standards like AGA 3 and AGA 8. It stores historical data and often communicates with SCADA. ABB Totalflow and Fisher ROC units are common flow computers in the field, and AOF Industries also repairs their circuit boards.
Oil and Gas Automation and Remote Monitoring FAQs
Oil and gas automation is the use of controllers, sensors, communication networks, and software to monitor and control production equipment with minimal manual intervention. It covers well site controls, artificial lift, tank levels, chemical injection, gas measurement, compressors, and safety shutdowns. Automation improves production consistency, reduces site visits, and gives operators better data for decisions.
SCADA in oil and gas is a system that collects real-time data from wells, tank batteries, compressor stations, and pipelines and sends it to a central location where operators can monitor and control operations. It tracks pressures, flow rates, tank levels, alarms, and equipment status across widely spread sites. SCADA lets producers and midstream companies respond to problems without driving to every location.
Remote monitoring in oil and gas is the continuous collection and transmission of field data so operators can see what is happening at a site without being there. Data from RTUs, flow computers, level sensors, and pump controllers is sent over cellular, radio, or satellite links to dashboards and alarms. Remote monitoring cuts windshield time and helps crews respond faster to spills, shutdowns, and equipment failures.
A remotely monitored well site can report tank levels, casing and tubing pressures, flow rates and volumes, chemical tank levels, pump run status, plunger arrivals, compressor status, gas detection alarms, and power status. Many systems also allow operators to start, stop, or adjust equipment remotely. The right mix depends on the site's production method and operating priorities.
Automation in the oil and gas industry improves production uptime, reduces labor and travel costs, improves data accuracy, supports regulatory reporting, and increases safety by reducing the time personnel spend at hazardous locations. It also helps optimize artificial lift and chemical usage, two areas that directly affect operating cost. AOF Industries has provided oil and gas automation for producers, midstream companies, and fluid management service companies for years.
Upstream refers to exploration and production, including drilling and operating wells. Midstream covers gathering, processing, compression, storage, and pipeline transportation of oil, gas, and produced water. Downstream includes refining, petrochemical processing, and distribution of finished products. Automation and electrical needs differ across each segment, and AOF Industries supports upstream production and the midstream sector.
Remote monitoring reduces operating costs by eliminating routine site checks, catching equipment problems early, preventing tank overflows and spills, and letting crews prioritize the locations that actually need attention. Fewer truck rolls lower fuel, labor, and vehicle costs. Faster response to shutdowns also protects production revenue.
Remote well site monitoring commonly uses licensed or unlicensed radio networks, cellular modems, and satellite links, depending on coverage and data needs. Radio networks are popular in large fields where multiple sites report back to a central hub, while cellular works well where coverage is strong. Satellite is often the fallback for very remote locations.
Tank level monitoring uses sensors such as guided wave radar, ultrasonic transmitters, or pressure transmitters to measure the level of oil, water, or chemicals in storage tanks and report it remotely. Operators use the data to schedule hauling, prevent overflows, track production, and manage chemical inventory. AOF Industries uses tank level monitoring designed for oilfield chemicals to improve inventory accuracy and optimize delivery routes.
Yes. Automation can be retrofitted to existing wells, tank batteries, and processing facilities by adding sensors, controllers, and communication equipment that integrate with what is already in place. Retrofits are often completed in stages, starting with the highest-value sites. AOF Industries regularly integrates new automation technology into legacy systems.
An emergency shutdown system, or ESD, automatically stops equipment and closes valves when it detects a dangerous condition such as high pressure, a gas leak, fire, or a high tank level. ESD systems protect people, equipment, and the environment by bringing a process to a safe state quickly. They are a key part of control panel design at oil and gas facilities.
Oilfield Chemical Injection Optimization FAQs
Chemical injection in oil and gas is the controlled delivery of treatment chemicals into wells, flowlines, and production equipment to prevent problems that reduce production or damage equipment. Common goals include preventing corrosion, scale, paraffin, hydrates, and bacterial growth. Injection is typically performed with chemical injection pumps fed from on-site chemical tanks.
Common oilfield production chemicals include corrosion inhibitors, scale inhibitors, paraffin inhibitors, hydrogen sulfide scavengers, methanol for hydrate prevention, biocides, emulsion breakers, and foamers. The chemical program for each well depends on its fluids, water chemistry, temperature, and production rate.
A chemical injection pump is a positive displacement pump that delivers a precise volume of chemical into a well or process line. Oilfield chemical pumps may be pneumatic, powered by gas, or electric and often solar-powered. Accurate pump rates are essential because too little chemical leaves equipment unprotected and too much wastes money.
Chemical pump optimization is the process of calibrating and adjusting chemical injection pumps so they deliver the correct rate for each well's actual conditions, then monitoring performance over time. AOF Industries handles the full optimization process, including assessment, calibration, and ongoing monitoring, and has focused on perfecting oilfield chemical automation for about a decade.
Tank level monitoring shows exactly how much chemical is in each tank and how fast it is being used, which confirms whether pumps are injecting at the intended rate. It also improves inventory accuracy and lets chemical suppliers optimize delivery routes. AOF Industries uses tank level monitoring designed specifically for oilfield chemicals.
Over-injection wastes chemical, increases operating cost, and can create downstream problems such as emulsions or treating issues. Under-injection leaves equipment exposed to corrosion, scale, and paraffin buildup, which can lead to tubing failures, pump damage, and lost production. Optimization keeps the rate in the effective range.
Production chemicals are frequently listed among the largest operating expenses for exploration and production companies. Optimizing injection rates reduces chemical waste while protecting equipment, which lowers both chemical spend and repair costs. Better chemical performance also helps reduce downtime and supports steady production.
Remote chemical injection monitoring uses wireless communication to send tank levels, pump status, and injection data from the field to operators and chemical providers. It lets teams verify pumps are running, catch failures quickly, and adjust programs without visiting every site. AOF Industries uses wireless remote communication as part of its chemical optimization services.
Chemical injection rates should be checked regularly, often monthly or whenever production conditions change, such as after a workover, a change in water cut, or a new treatment program. Remote monitoring makes this continuous by flagging usage that falls outside expected ranges. Consistent verification prevents slow drift in pump performance.
Yes. AOF Industries can set up a new chemical optimization program or fine-tune existing chemical pumps. The process includes assessing the current setup, calibrating pumps, and adding monitoring to keep injection systems performing efficiently.
PLC Programming and PLC/RTU Design and Fabrication FAQs
A PLC, or programmable logic controller, is a rugged industrial computer that monitors inputs from sensors and switches and controls outputs such as motors, valves, pumps, and alarms based on a stored program. PLCs are built to handle heat, vibration, and electrical noise found in plants and oilfield sites. They are the core of most modern industrial automation systems.
PLC programming is the process of writing and testing the control logic that tells a programmable logic controller how to respond to field conditions. A PLC program defines sequences, interlocks, alarms, timers, and setpoints so equipment runs safely and consistently. Good PLC programming also includes clear documentation so the system can be maintained and modified later.
Most PLCs are programmed using languages defined by the IEC 61131-3 standard, including ladder logic, function block diagram, structured text, and sequential function chart. Ladder logic is the most widely used because it resembles electrical relay diagrams and is easy for electricians and technicians to read. Structured text is often used for complex math and data handling.
A PLC is designed primarily for fast, local control of machines and processes, while an RTU, or remote terminal unit, is designed to collect data and control equipment at remote sites and communicate it back to a central SCADA system. RTUs typically have stronger communication capabilities and low power consumption for solar-powered well sites. Today many devices combine features of both.
A PLC is a controller that directly runs equipment in the field, while SCADA, or supervisory control and data acquisition, is the software and communication system that gathers data from many PLCs and RTUs and displays it to operators. SCADA lets personnel monitor alarms, trends, and production from a central location and send commands back to the field. The two work together rather than replacing each other.
An HMI, or human-machine interface, is a touchscreen or display panel that lets operators view process data and interact with a PLC-controlled system. HMIs show equipment status, tank levels, pressures, alarms, and trends, and let operators start and stop equipment or change setpoints. A well-designed HMI makes a control system easier to run and troubleshoot.
Industrial PLCs commonly stay in service for 10 to 20 years or longer, but the practical limit is often parts availability rather than the hardware wearing out. Once a manufacturer discontinues a PLC platform, replacement modules become scarce and expensive. Planning a migration before the system fails prevents extended downtime.
Yes. Legacy PLC systems can be migrated to current platforms by converting the existing program, updating I/O hardware, and replacing obsolete communication networks. A careful migration preserves the process logic operators rely on while adding better diagnostics, networking, and remote access. AOF Industries integrates new automation technology into existing systems for industrial and oilfield clients.
PLC design and fabrication includes selecting the controller and I/O, designing the enclosure layout and wiring diagrams, building and wiring the panel, loading and testing the program, and documenting the finished assembly. AOF Industries designs and fabricates PLC and RTU panels in its own shop, backed by UL 508A certification for industrial control panels.
Yes. PLC programs can be modified after installation to add equipment, change sequences, adjust alarms, or improve performance. Changes should be tested and documented carefully, and a backup of the working program should always be saved first. Many facilities keep a service relationship with their automation contractor for ongoing program updates.
A PLC may stop working because of a failed power supply, a damaged I/O module, a lost or corrupted program, communication failures, lightning or surge damage, heat, or moisture in the enclosure. In many cases the PLC itself is fine and the fault is in field wiring or a sensor. Systematic troubleshooting identifies the real cause before parts are replaced.
Plunger Lift and Rod Pumping System FAQs for Oil and Gas Producers
A plunger lift system is a form of artificial lift that uses a free-traveling plunger inside the well's tubing to lift accumulated liquids to the surface using the well's own gas pressure. It is widely used on natural gas wells and high gas-to-liquid oil wells. Plunger lift is popular because it requires no outside power source for lifting and has relatively low operating costs.
A plunger lift works by cycling the well. The well is shut in so gas pressure builds in the casing, then the motor valve opens and that pressure pushes the plunger and the liquid above it up the tubing to the surface. After the plunger arrives and the liquids are produced, the well flows gas until liquids build up again and the controller repeats the cycle.
Plunger lift is used on gas wells and oil wells that have enough gas pressure to lift fluids but are beginning to load up with water or condensate. It is also used to keep tubing clear of paraffin and scale buildup. Plunger lift is often chosen to extend the productive life of wells as reservoir pressure declines.
Liquid loading happens when a gas well no longer has enough velocity to carry water or condensate to the surface, so liquids accumulate at the bottom of the well and create backpressure that reduces or stops gas production. Plunger lift, gas lift, soap treatments, and rod pumping are common solutions for liquid loading.
A plunger lift controller is the electronic device that opens and closes the well's motor valve to manage plunger cycles based on time, pressure, or plunger arrival data. Modern controllers automatically adjust the cycle to maximize production and can be monitored and changed remotely through SCADA. A well-tuned controller is critical to plunger lift performance.
A rod pumping system, often recognized by the surface pumping unit or pumpjack, is an artificial lift method that uses a string of sucker rods to move a downhole pump up and down and lift fluid to the surface. It is the most common form of artificial lift for oil wells onshore in the United States. Rod pumping systems work well on a wide range of well depths and production rates.
A pump-off controller, or rod pump controller, monitors the load on a rod pumping system and detects when the well has pumped off, meaning the downhole pump is no longer completely filling with fluid. The controller then idles the pumping unit to let fluid build back up. This reduces energy use, prevents fluid pound damage, and lowers maintenance costs. The Lufkin Well Manager is one widely used example.
Plunger lift uses the well's own gas pressure to lift liquids and is best for gas wells or wells with a high gas-to-liquid ratio. Rod pumping uses mechanical energy from a surface pumping unit and electric or gas engine power to lift larger fluid volumes from oil wells. The right method depends on gas volume, fluid rate, well depth, and reservoir pressure.
A variable frequency drive, or VFD, controls the speed of the electric motor on a pumping unit, allowing the stroke rate to be adjusted to match the well's inflow. Running at the right speed reduces rod and pump wear, cuts energy costs, and helps avoid pump-off conditions. VFDs are often paired with rod pump controllers for automated optimization.
Automation improves rod pump and plunger lift efficiency by adjusting operation to real-time well conditions, detecting problems like pump-off, missed plunger arrivals, or high pressure, and sending alarms and data to operators remotely. That reduces downtime, equipment wear, and unnecessary site visits. AOF Industries provides automation and controls for plunger lift and rod pumping systems.
Common plunger lift problems include plungers that fail to arrive at the surface, worn or damaged plungers, damaged bumper springs, improperly tuned cycle times, stuck motor valves, liquids loading faster than the cycle can remove them, and communication or controller failures. Most of these can be identified through arrival data and controller diagnostics.
Water Management Automation FAQs for Oilfield and Municipal Systems
Water management automation uses PLCs, sensors, SCADA, and remote communication to monitor and control pumps, tanks, valves, and treatment equipment in water systems. It applies to municipal water and wastewater systems, oilfield produced water handling, and saltwater disposal facilities. Automation keeps levels, pressures, and flows within safe ranges with less manual oversight.
Produced water is the water that comes to the surface along with oil and gas during production. It often contains salts, hydrocarbons, and minerals, so it must be separated, stored, transported, and either recycled or disposed of through saltwater disposal wells. Managing produced water is a major operational and cost factor for producers.
Automation helps saltwater disposal facilities by controlling injection pumps, monitoring tank levels and injection pressures, managing truck offloading, recording volumes for reporting, and triggering alarms or shutdowns when limits are exceeded. Remote access lets operators manage facilities that may run around the clock with limited staff on site.
SCADA in water and wastewater systems collects data from wells, storage tanks, treatment plants, pump stations, and lift stations and displays it to operators at a central location. Operators can track levels, pressures, flows, and alarms, and start or stop equipment remotely. SCADA helps utilities respond faster to failures and maintain compliance.
A lift station control panel operates the pumps that move wastewater from lower to higher elevations in a sewer system. It uses level sensors or floats to start and stop pumps, alternates pumps to balance wear, and triggers high-level alarms. Many lift station panels also include remote monitoring so operators are alerted to failures immediately.
Level control is the automatic management of liquid levels in tanks, wells, and wet wells by starting and stopping pumps or opening and closing valves at set points. It prevents overflows, keeps pumps from running dry, and maintains the supply needed for downstream demand. Level transmitters or floats provide the input to the controller.
Telemetry is the automatic transmission of data from remote water system sites, such as wells, tanks, and pump stations, to a central monitoring location. It commonly uses radio, cellular, or other communication links. Telemetry gives operators real-time visibility and alarm notification across widely spread infrastructure.
Yes. Municipalities can automate existing water systems by adding or upgrading control panels, sensors, PLCs, and communication equipment at wells, tanks, and pump stations. Projects are often phased based on budget and priority sites. AOF Industries provides water management automation and commercial electrical services for municipal facilities.
Remote monitoring for water systems reduces routine site visits, alerts operators to pump failures and high levels immediately, provides historical data for planning and reporting, and helps prevent overflows and service interruptions. It also allows smaller crews to manage more infrastructure.
Common alarms for water system automation panels include high and low tank or wet well levels, pump failure, motor overload, power loss, high or low pressure, communication failure, and intrusion or door alarms. Critical alarms should notify operators remotely so issues are handled before they become emergencies.
Working With AOF Industries: Licensing and Estimates
AOF Industries is headquartered at 5335 West Oak Street in Palestine, Texas 75801. The East Texas office can be reached at (903) 480-0810, and the West Texas office can be reached at (903) 646-1123.
AOF Industries serves industrial, oil and gas, and commercial clients across Texas, Louisiana, and New Mexico. Texas service areas include Austin, Arlington, Corpus Christi, Dallas, El Paso, Fort Worth, Houston, Midland, San Antonio, Tyler, Longview, and surrounding East Texas communities. Louisiana service areas include Baton Rouge, Shreveport, Lafayette, and New Orleans, and New Mexico service areas include Albuquerque, Las Cruces, Roswell, and Santa Fe.
AOF Industries office hours are Monday through Friday, 7:00 a.m. to 4:00 p.m. Customers can call (903) 480-0810 or send a message through the contact form on the website.
Yes. AOF Industries offers free estimates on projects. Call (903) 480-0810 or submit a request through the contact page with details about your facility and scope of work.
AOF Industries serves oil and gas producers, midstream companies, fluid management service companies, chemical facilities, water systems, manufacturing plants, and commercial clients including healthcare, retail, warehouse, and municipal facilities.
AOF Industries holds Texas Electrical Contractor License TECL #36779, operates a UL 508A certified control panel shop, and employs IPC-7711/7721 certified board repair technicians. AOF is a certified printed circuit board repair shop.
AOF Industries handles design, panel fabrication, installation, programming, commissioning, and long-term maintenance under one roof. Keeping those phases with one team reduces handoffs between contractors, speeds up communication, and keeps accountability clear from the start of a project to ongoing support.
The AOF Industries leadership team has a combined background of more than 25 years in industrial automation equipment and applications. The company is led by founder and CEO Kelly Robinson, and its team includes electricians, technicians, designers, engineers, and programmers.
To request a quote, call AOF Industries at (903) 480-0810 or use the contact form on the website to share your name, email, and project details. Including the facility location, equipment involved, and timeline helps the team prepare an accurate estimate.
AOF Industries is regularly looking for talented field workers and technicians to join its team. Open positions are posted on the Careers page of the website, where candidates can apply directly.
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