For more information on any of our services available, or to schedule a service call please contact one of our Field Service representatives listed below:

Mark Poulson
Manager of Field Services
Office: (505) 327-2222

Farmington, New Mexico Office:

Tim Grant
Field Service Field Service Supervisor
Cell:(505) 486-1287

Luis Marquez
Field Service Supervisor
Cell:(505) 330-4063


Providing our customers with reliable field services has always been a staple of the PESCO organization. Backed by our engineering and drafting departments, a fully stocked warehouse, and unparalleled fabrication facilities, our fully trained field service teams can provide the experience and knowledge necessary to keep your equipment operating safely and efficiently.


Inspection and testing of relief valves and flame arrestors is an essential part of any comprehensive maintenance program, and PESCO’s field service department can provide the trained and knowledgeable personnel necessary to keep your equipment operating safely and efficiently. Our professional service teams have the equipment, tools, parts, and expertise required for proper on-site maintenance, repair, replacement, and inspection that keep down time to a minimum and your production high. All inspections come with a complete inspection report for your records.


• Preventative maintenance programs
• Troubleshoot and repairs on all types of production equipment
• Exhaust emissions testing
• ASME certified field welders

“R” Stamp

• Pressure relief valve testing and repairs

On-site testing and recalibration
Replacement of defective valves
Shop repair with “VR” stamp
Test tool installation

• Flame arrestor inspection, testing, and repairs

Gaskets, flanges, and seals checks
Asbestos gasket abatement
Flame arrestor and housing checks
Valves, regulators and accessories checks for proper operation
Pilot, mixer, and main burner inspection
Stack bolts and gasket checks
External piping evaluations
External fire hazards checks
"Flash" testing
Flame arrestor checks for proper operation

• Tank vent valve/thief hatch maintenance and repairs
• Dehydration

Evaluation, maintenance and repair
Monthly service checks
Gas moisture content analysis 
Glycol moisture content analysis
Filter changes and disposal
Contract pumping and well optimization services
Sale and delivery of anti-freeze and glycol
DOT certified haul truck
Steam Cleaning

• Certifications 

Asbestos Abatement
Confined Space
Lockout / Tagout
First aid / CPR
Hot Work Permit

• Safety Programs
• ISNetworld