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SRCPP & SNGP Condensate Recovery Maximization
Client: Petroleum Development Oman LLC (PDO)
Location: Saih Rawl Central processing plant- Oman (2018)
SNGP CRM Scope
SRCPP CRM Scope
SNGP PLANT - CRM PROJECT
The Saih Nihayda Gas Plant (SNGP) processes Saih Nihayda well fluids from Saih Nihayda deep gas reservoirs (Barik, Miqrat, and Amin). The plant is presently able to deliver treated gas up to 20 MMSCMD and the delivery of sales gas with cricondentherm temperature of 12°C. New Depletion Compressors (SNDC) and additional turbo-expander have boosted the plant capacity to 25 MMSCMD by mid-2013. In addition, there is a plan to install a new condensate stabilization train (SNCP) to process the SN un-stabilized condensate in situ.
The proposed condensate recovery maximization facility will consist of a new gas/gas heat exchanger E-6273A/B, replacing the existing E-6211, and a booster compressor package consisting of:
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Suction scrubber V-6274
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Booster compressor K-6274
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Aftercooler E-6274
Additionally, an Air Receiver V-6315 is included in the scope of the Project, to supply instrument air to the new Project facilities.
The facility shall be located in the South West of SNGP, close to the export gas line.
SRCPP PLANT - CRM PROJECT
The SR-CPP is located in the central part of Oman. It processes non-associated gas from the SR reservoirs (Barik & Miqrat); gas and condensate from the Barik GS; and condensate from SNGP and KGP. The gas can be treated to either the GGS specification (4.5°C cricondentherm), the OLNG specification (12°C cricondentherm) or any cricondentherm specification in between. Existing facilities have been designed for 40 MMSCMD capacity of treated gas; however, based on production forecast GBP 2012 the plant can process 43 MMSCMD of gas through both gas processing trains with each existing train having the flexibility to process 24 MMSCMD whilst the remainder going to the other train.
A simulation study established that for the present plant capacity of 48MMSCMD and prevailing conditions, cricondentherm of 6.3⁰C is achievable. However, for the maximization of Condensate recovery, cricondentherm of 0⁰C is desirable. The Study report finalized the option of lowering the gas temperature by means of an External Mechanical Refrigeration Unit in combination with Propane Chillers, being the most feasible of all the options considered
