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Edition and Publication:
< Natural Gas and Oil > Editorial Department
Hosted by:
China Petroleum Engineering & Construction Corporation Southwest Company
Authorized by:
China Petroleum Engineering & Construction Corporation
Co-hosted by:
Overseas Research Center of Research Institute of Petroleum Exploration and Development
Editor in Chief:
Du Tonglin
Vice Editor in Chief:
Tang Xiaoyong,Pu Liming
Address:
No.6, Shenghua Road, High-tech District, Chengdu, Sichuan, China
Postal Code:
610041
Tel:
028-86014709
028-86014500
Email:
cnpc-ngo@cnpc.com.cn
Issue:ISSN 1006-5539
CN 51-1183/TE

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Analysis on 3-phase Separation Fluid Emulsification in Crassus Kita Gas Field Production Test Project

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Key Words： Corrosion inhibitor； Crassus Kita； Compatibility； Gas field； Emulsification； 3-phase separator

Abstract： During separation process of 3-phase separator in Kela-2 Gas Field central processing facility in Crassus Kita Gas Field trial production project， such a rare phenomenon is found as serious emulsification of condensate oil with ethylene glycol and difficult separation，which seriously affected recovery and treatment of condensate oil and ethylene glycol. Results from field investigation and laboratory analysis have provided much evidence sufficient to prove that such emulsification phenomenon has nothing to do with the chemicals and resulted from mixture of the Crassus Kita well flows. In addition， compatibility test on corrosion inhibitors with methanol and ethylene glycol shows for the first time that a balance of solvent interaction exists between water-soluble corrosion inhibitors， methanol and ethylene glycol and domestic and overseas corrosion inhibitors have such feature， which is making new demands on compatibility evaluation of water-soluble corrosion inhibitors with organic solvents.