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Jul 7, 2026

6.8MW Modular Power Island Supports Continuous Midstream Operations

Reliable Prime Power for Remote Permian Basin Operations

A midstream operator in Lea County, New Mexico needed reliable prime power for a remote site operating in extreme heat with limited space and strict emissions requirements. Enerflex supplied four 2,500 hp modular power units, delivering a total of 6.8MW (10,000 hp) of continuous power. The compact design simplified installation, supported rapid deployment, and helped the customer meet operational and environmental requirements while staying on schedule.

Download the full case study to learn how Enerflex delivered reliable power under demanding Permian Basin conditions.

Download Case Study

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Challenge

A rental fleet compressor required inspection, repair, and certification before redeployment into a gas gathering application.

Enerflex Retrofit Solution

Comprehensive inspection of:
- Engine
- Compressor frame and cylinders
- Control panel and instrumentation
- Utility and process piping
- Fuel and start systems
Repairs included:
- Replacement of engine turbochargers and starter
- Rebuilding of packing cases and cylinder valves
- Re-certification and replacement of relief valves
Pre- and post-operational testing

Engineering Highlights

Standardized make-ready process
Field-proven inspection and repair methodology

Outcome

Unit certified and rental-ready
Reliable performance in gas gathering service
Repeatable solution across customer fleet

Challenge

A single-stage electric motor drive compressor system could not meet increased pressure requirements at a natural gas storage facility.

Enerflex Retrofit Solution

Conversion of a 5,750 HP single-stage compressor into a two-stage configuration
Removal and replacement of:
- First-stage cylinders
- Pulsation bottles
- Motor hub
- Kiene valves
Installation of:
- New first- and second-stage pulsation bottles with supports
- Interconnecting piping and orifice plates
- Utility cooler and glycol tank, pump, and trim
X-ray and hydrotesting of all process piping

Engineering Highlights

Pressure capability redesign
Full compliance testing and commissioning

Outcome

Increased pressure capability
Successful commissioning
Reliable operation at Louisiana gas storage facility

Challenge

A midstream customer sought to maximize compressor capacity by fully utilizing available driver power while maintaining safe and predictable operation.

Enerflex Retrofit Solution

Re-engineering using Pulsation Attenuation Network (PAN) technology
Replacement of existing bottles, scrubbers, drains, piping, braces, and supports
Installation of PAN pipe structure welded directly to skid
Replacement of ET cylinders and E crosshead guides with larger T cylinders and guides
Installation of new beams and head-end A-frame supports

Engineering Highlights

Advanced pulsation control design
Structural reinforcement to support increased capacity

Outcome

Significant efficiency and capacity increase
Predictable and safe operation
Optimized performance of a 1,380 HP compressor system

Challenge

An aging electric motor drive propane refrigeration system required refurbishment to restore reliability and ensure safe operation at a gas processing facility.

Enerflex Retrofit Solution

Full teardown and inspection of the rotary screw compressor
Removal, inspection, repair, reinstallation, and re-alignment of the electric motor
Replacement of valves and piping across the skid
Control panel and hardware upgrade to meet NEMA 4 standards
Rebuild of refrigerant-cooled oil cooler temperature control valve
Ultrasonic thickness testing of oil separator and piping
Pressure and leak testing of all skid components

Engineering Highlights

Integrated mechanical, electrical, and controls scope
Quality assurance through inspection and testing protocols

Outcome

System successfully recommissioned
Reliable operation restored
Returned to service at a Texas gas plant

Challenge

A new grass-roots compressor station required refurbished compression systems optimized for gas boosting service, while minimizing capital and logistics costs.

Enerflex Retrofit Solution

Design, modification, procurement, and installation of two refurbished compression systems
Reuse of existing gas engine drive units, including:
- Engines
- Structural steel frames
- Compressor frames
- Engine-driven coolers
Fabrication and installation of new suction bottles, discharge bottles, and suction scrubbers
Completion of an acoustical study

Engineering Highlights

Asset reuse strategy to reduce cost and lead time
On-site retrofit execution to minimize transportation

Outcome

Successful on-site completion
Reduced logistics costs
Optimized performance for gas boosting service

Challenge

Legacy pneumatic control systems limited automation, reliability, and operational visibility.

Enerflex Retrofit Solution

Removal of pneumatic control panel, tubing, and end devices
Installation of new Allen-Bradley CompactLogix PLC panel
Installation of new conduit, wiring, and electrical components
Programming, calibration, startup, and commissioning

Engineering Highlights

Modern automation architecture
Improved diagnostics and control reliability

Outcome

Successful startup and commissioning
Enhanced system control and reliability

Future-ready controls platform

Challenge

A fire-damaged reciprocating compressor suffered extensive mechanical and structural impact, resulting in unsafe operating conditions and unplanned downtime.

Enerflex Retrofit Solution

Replacement of the gas engine and third-stage cylinder wear components
Installation of new compressor bearings
Structural integrity restored using new grout boxes, coupling shims, and crosshead guide support
Repair and replacement of process equipment including:
- First- and third-stage suction and discharge bottles
- Third-stage scrubber valves and instrumentation
- Third-stage cylinder Kiene valves
- Process piping and cooler panels

Engineering Highlights

Structural re-alignment and frame stabilization
Multi-discipline mechanical, piping, and instrumentation scope
Coordinated execution to minimize outage duration

Outcome

Compressor restored to full service and safe operation
Minimal downtime

Asset life extended without full system replacement

Challenge

A flash fire caused extensive damage to an existing Gemini F604 compressor frame and components.

Enerflex Retrofit Solution

Removal of damaged Gemini frame, cylinders, bottles, and sub-base
Fabrication and installation of new compressor base
Supply and installation of:
- Two Ariel JGK/4 frames
- Multiple replacement cylinders
- Seven replacement bottles and associated spools
- New pressure safety valves
- New HMI for control panel
Phased execution aligned with building installation

Engineering Highlights

Multi-phase retrofit planning
Structural redesign and base fabrication

Outcome

Unit exceeded predicted flows upon commissioning
Safe and reliable return to service

Upgraded compression capability