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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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Research on Natural Gas Dew Point Control Technology and its Application in Sulige Gas Field

Author of the article:Zhang Wenchao, Liu Mingkun, He Lei, Zhang Caixia

Author's Workplace：1. Xi ’an Changqing Technology Engineering Co., Ltd. 2.Lanzhou City College

Key Words：Sulige Gas Field; Low temperature separation; Treatment plant; Dew point control; Refrigerant

Abstract：

According to the characteristics of natural gas produced from Sulige Gas Field, determined is the low temperature separation process in combination with product gas index requirements and concrete application of natural gas dew point control process. Applied is the Unisim Design software to analyze the method and process of condensation temperature determination. Described is selection of refrigeration technology and key equipment such as precooling heat exchanger and low temperature separator. Selected is the propane refrigeration technology, used is the low finned sheet and tube heat exchanger to recover cold energy, applied are SMSM efficient separation components from SHELL company patent products for low temperature separator. Engineering design and operation of 6 gas treatment plants in Sulige Gas Field show that such low temperature separation process in which propane refrigeration is used as added cold source is completely suitable for gas dew point control in Sulige Gas Field.