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Equipment

Utility Systems

SPEC engineers and fabricates the utility systems that serve the process, such as instrument air, fuel gas conditioning and chemical injection, supplied with the process equipment or as standalone units.

Skid-mounted compressed air system with receivers, dryers and control panel

Application

Supplied with the Process Train

Utility systems are engineered with the process equipment they serve. On modular projects, utility systems can be assembled and tested with the process equipment before shipment, reducing site installation effort.

On the Ain Sifni early production facility in the Kurdistan Region of Iraq and the Block 47 early production facility in Yemen, SPEC's scope included the utility systems alongside the process equipment.

Chemical injection skid with dosing pumps and tank
Motor control centre and switchgear room
Insulated and clad vessel manway detail

System configuration

Major Equipment Within the System

System configuration varies with process duty, operating conditions and project requirements.

  • Instrument air package, illustration

    Instrument Air

    Compressed, dried and cleaned air for pneumatic control systems, air tools and the actuation of safety systems.

  • Skid-mounted process unit, illustration

    Fuel Gas Conditioning

    Prepares gas from the process for use as fuel on the facility.

  • Chemical injection skid, illustration

    Chemical Injection

    Skid with dosing pumps and tank that injects chemicals into the process.

Instrument air packages

  • Compression: rotary screw, oil-free screw or reciprocating compressors
  • Drying and cleaning: knock-out drum, filters and refrigerated or adsorption dryers
  • Storage and distribution: receiver tanks, piping, instrumentation and valves

Final equipment arrangement and delivery format depend on process duty, transport constraints and site requirements.

Scope

Scope Set by the Process

The utility scope follows the process equipment on the project: what has to be heated, cooled, driven, instrumented and drained. Tell us what you are specifying and our engineers will confirm the utilities that go with it.

Send us your equipment list →

Welders working on a pressure vessel at SPEC's Jebel Ali fabrication facility

Enquiries

Talk to Our Engineering Team

Send us your process data and operating conditions, and we will review the duty with you.

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