31 May 2022

These gas-booster units are intended to pumping associated gas incoming from the oil treatment plant, terminal separation facility and condensate de-ethanization facility.



Pyakyakha oil and gas condensate field of the LUKOIL-West Siberia LLC is equipped with petroleum gas compressor station (CS) which ensures the gathering of APG from various production facilities of the field and its transportation.

As part of the CS, the three high-pressure compressor units (CUs) from ENERGAS passed the 5-year period of operation. The CUs of reciprocating type uninterruptedly compress associated gas incoming from the oil treatment plant, terminal separation facility and condensate de-ethanization facility. Compressed gas is pumped into the pipeline to the complex gas treatment plant at pressure of 11 MPa.

The units are created on basis of reciprocating four-row single-stage compressors with gas-reciprocating drives. The maximum volume capacity of each is 34,240 m3 / h; gas flow rate is controlled by means of the special two-tier regulation system. To measure of pumpable APG amount, all the machines are additionally equipped with metering assemblies with flow meters.



Gas filtration at the inlet to compressors is carried out by highly efficient coalescing separators. The delivery lines (output gas pipelines) are equipped with fine purification filters.

CUs are fully automated. Operation mode as part of the facility of oil-and-gas production complex is uninterrupted with scheduled shutdowns for maintenance. In accordance with the project units are placed in a separate permanent housing which is equipped with life support systems and safety systems.

The launch of three high-pressure CUs has become a final stage of the largest project in the production practice of ENERGAS. Prior to this, six more gas booster units of different variety and purpose were put into operation, which were included in the structure of the CS of the Pyakyakha field.



REFERENCE:

The Pyakyakha oil and gas condensate field, discovered in 1989, is one of the largest in the Yamal-Nenets Autonomous Area in terms of explored reserves and belongs to the most promising fields of Bolshekhetskaya Depression. Its development became the second project implemented by LUKOIL in the YNAA. The field operator is LUKOIL-West Siberia LLC.

The active phase of development and arrangement of the Pyakyakha OGCF began in 2014, and the field was put into commercial operation on October 25, 2016. A gas turbine power plant with a capacity of 36 MW, an oil treatment plant, a pumping station for a reservoir pressure maintenance system, condensate de-ethanization and condensate stabilization facilities, an acceptance point, a complex gas treatment plant and other production and infrastructure facilities operate here.

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