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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
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No.6, Shenghua Road, High-tech District, Chengdu, Sichuan, China
Postal Code:
610041
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028-86014500
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Issue:ISSN 1006-5539
CN 51-1183/TE

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Technical Progress of Shale Gas Produced Water Contamination and Treatment

Author of the article:Lu Zhengguang, Gao Peng, Ma Chenbo, Han Shanpeng, Wang Kun, Zhang Wenbo

Author's Workplace：1.National Engineering Laboratory for Pipeline Safety I Beijing Key Laboratory of Urban Oil and Gas Distribution Technology, China University of Petroleum;2.PetroChina Planning & Engineering Institute

Key Words：Shale gas; Produced water; Water quality; Water contamination; Desalination

Abstract：Shale gas development has gradually attracted attention all over the world. A large amount of produced water will be produced during shale gas exploration, which is difficult to be treated and may result serious water contamination. Analyzed are such composition characteristics of produced water according to produced water quality indexes at home and abroad as complex composition, high COD, high TSS and high TDS, large fluctuation range of water quality indexes and greatly higher than waste water recycling standards at home and abroad. Introduced is contamination of produced water on underground water and surface water in shale gas drilling from such aspect as water pollution channel and pollution way. Discussed deeply is the treatment technology of such three steps as "Pretreatment, Softening and Desalination" , evaluated are advantages and disadvantages of all kinds of water treatment technologies, analyzed are problems existing in produced water treatment during shale gas development and put forward are some suggestions, which will be conducive to selection and development of shale gas produced water treatment technologies.