| 摘要: |
| 在四川盆地长宁-威远页岩气示范区规模开发的过程中,钻井、压裂对水的需求量很大,而钻井废水、压裂返排液等产量大、处置难度大,生产用水的供需产不平衡,对水环境保护提出了巨大挑战。针对存在的问题,开展了现场生产废水处理的工艺研究及管理提升,通过废水的源头控制、过程管控、合理处置及重复利用,积极促进生产废水的生态化管理,并取得一定的成果。对页岩气开发现场生产废水管理经验进行了总结,并为进一步实现页岩气清洁生产“减量化、资源化、无害化”目标提出建议方案。 |
| 关键词: 页岩气 生产废水 水环境保护 循环利用 |
| DOI：10.3969/j.issn.1007-3426.2018.04.021 |
| 分类号: |
| 基金项目: |
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| Waste water management in Sichuan Changning-Weiyuan shale gas field |
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Wei Yunjin1,2, Wang Shibin2, Ma Qian3, Wu Wei4, Lu Xiaoping2, Yan Xiaoyu5
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1. College of Petroleum Engineering, Southwest Petroleum University, Chengdu, Sichuan, China;2. Oil and Gas Development Company, PetroChina Southwest Oil and Gasfield Company, Chengdu, Sichuan, China;3. CCDC Geological Exploration & Development Research Institute, Chengdu, Sichuan,China;4. Engineering Technology Research Institute, Southwest Oil and Gasfield Company, Chengdu, Sichuan, China;5. Sichuan Shale Gas Exploration and Development Co., Ltd, Chengdu, Sichuan, China
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| Abstract: |
| The demand for water has been growing gradually in the process of the exploration and development of shale gas in Sichuan Changning-Weiyuan shale gas field. However, the large quantity of waste-drilling fluid and fracturing flowback fluid has a far-reaching influence on the water environment. We studied the technology and management of the wastewater treatment, and used the source control, process control, the treatment of wastewater and recycling to actively accelerate the wastewater ecomanagement. This paper summarized the experience of wastewater management in Sichuan shale gas field, and provided suggestions to achieve the goal of “reduction, recycling and harmless”. |
| Key words: shale gas production wastewater water environment protection recycling |
