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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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Process Calculation of Water Separator in Coalbed Methane Flow Line

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Key Words：Coalbed methane； Flow line； Water separator； Calculation

Abstract：Gas from coalbed methane wellhead separator is saturated and contains water and condensed water will be separated out probably in pipeline due to changes in temperature and pressure when it is transported by pipeline to gas gathering station. In order to prevent hydrate from forming in flow line， it is necessary to install a water separator in water accumulation section. According to design parameters of coalbed methane flow line， conducted is process software simulation to calculate and obtain temperature and pressure distribution information along the flow line and used is an experience formula of coalbed methane water content to calculate and obtain saturated water content along the flow line. Drawn are elevation maps， pressure and temperature drop curve and water content curve of coalbed methane flow line and determined is the overall arrangement scheme of water separator and such process parameters are calculated and obtained as number， water discharge cycle and effective volume of water separators according to such overall arrangement scheme.