JT Systems

Less Pressure Drop and Prevents Freezing

Croft Production Systems offers skid-mounted Joule Thomson Systems designed to handle gas streams between 1 to 10 MMcfd. The Joule Thomson Systems, also known as a JT skid or a JT plant, simultaneously reduces the water dew point of gas, recovers valuable hydrocarbon liquids, and lowers the BTU (British Thermal Unit) of the gas stream to sales contract specifications or levels suited for high-speed engines.

These pre-assembled systems are delivered ready to be installed on location and are contained on a single skid. This space-saving system is installed by experienced CROFT personnel, who will make sure everything is running smoothly, and continue to monitor the system on a monthly basis.

CROFT's Joule Thomson System removes:

  • Butane
  • Pentane
  • Hexane
  • Gas Heavies

How a CROFT JT System Works:

Gas enters the Joule Thomson System and travels through a series of heat exchangers that pre-cool the gas. The gas then passes through the Joule Thomson valve, taking a pressure drop and cooling further. Liquid fallout after the Joule Thomson valve is collected in the cold separator and sent to storage tanks. The cold gas then travels back through the heat exchanger and exits the Joule Thomson System.


  • Flexible leasing and rental contracts
  • Efficiently separates & captures valuable NGL's
  • High-efficiency heat exchanger
  • Thermally insulated
  • Optional methanol pump
  • Hot gas bypass
  • Client training and onsite equipment orientations
  • ASME Coded 1440 MWP
  • Start-up assistance with CROFT service personnel
  • Reduced capital and operating expense
  • Environmental; no operational emissions
  • Simple and safe maintenance


If you are looking for production or processing equipment for your well site, an Account Manager will be in touch with you within one business day.

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