页岩气压裂返排液处理回用中的问题及对策

吕雷; 王梓民; 杨志刚

doi:10.12030/j.cjee.201509146

环境工程学报

页岩气压裂返排液处理回用中的问题及对策

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吕雷, 王梓民, 杨志刚. 页岩气压裂返排液处理回用中的问题及对策[J]. 环境工程学报, 2017, 11(2): 965-969. doi: 10.12030/j.cjee.201509146

引用本文:

吕雷, 王梓民, 杨志刚. 页岩气压裂返排液处理回用中的问题及对策[J]. 环境工程学报, 2017, 11(2): 965-969. doi: 10.12030/j.cjee.201509146

LYU Lei, WANG Zimin, YANG Zhigang. Problem and solving countermeasures on recycling technology for fracturing flow-back fluid of Shale Gas[J]. Chinese Journal of Environmental Engineering, 2017, 11(2): 965-969. doi: 10.12030/j.cjee.201509146

Citation:

LYU Lei, WANG Zimin, YANG Zhigang. Problem and solving countermeasures on recycling technology for fracturing flow-back fluid of Shale Gas[J]. Chinese Journal of Environmental Engineering, 2017, 11(2): 965-969. doi: 10.12030/j.cjee.201509146

页岩气压裂返排液处理回用中的问题及对策

1.
陕西延长石油(集团)有限责任公司研究院, 西安 710075
基金项目:
国土资源部、财政部矿产资源节约与综合利用重大专项（886043）

Problem and solving countermeasures on recycling technology for fracturing flow-back fluid of Shale Gas

1.
Research Institute of Shaanxi Yanchang Petroleum(Group) Co., Ltd, Xi'an 710075, China
Fund Project:

摘要: 延长页岩气压裂返排液处理量大、组分复杂。现场所用的“四步法”处理工艺，处理后水配制的瓜胶压裂液难以达到相关行业标准要求。通过对水质特性和处理工艺中存在的问题进行分析，找出了关键原因，提出了改进方案并予以现场实施。结果表明：在絮凝过程中使用碳酸钠代替石灰乳作为pH调节剂、使用适量的杀菌剂1227、消除水中的残余氧化剂以及优化膜过滤系统的运行参数均有利于解决处理后水配制瓜胶压裂液不达标问题。开发新型化学剂，如开发廉价高效的耐温、耐盐、耐剪切改性瓜胶产品，也是解决相关问题的思路之一。
- 页岩气 /
- 压裂返排液 /
- 水处理工艺 /
- 瓜胶
Abstract: Fracturing flow-back from the YanChang shale gas reservoir is characterized by high producing fluid flow and complex components. A four-step treatment process was used on-site, but the treated water did not satisfy the industry standard when reused for fracturing. Key factors were determined after analyzing the water quality and treatment process. An improvement plan was proposed and implemented at the site. The results showed that the aforementioned problems could be solved if sodium carbonate was used as the pH-adjusting agent instead of lime and a proper amount of fungicide 1227 was added. Eliminating the residual oxidant and optimizing the operating parameters of the membrane filtration system were also critical. One of the ideas to solve the problem is developing novel agents such as modified guar gum which has good temperature-resistance, salt-resistance, and cut-resistance properties.
- shale gas /
- fracturing flow-back /
- water treatment technology /
- guar gum

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吕雷, 王梓民, 杨志刚. 页岩气压裂返排液处理回用中的问题及对策[J]. 环境工程学报, 2017, 11(2): 965-969. doi: 10.12030/j.cjee.201509146

引用本文:

吕雷, 王梓民, 杨志刚. 页岩气压裂返排液处理回用中的问题及对策[J]. 环境工程学报, 2017, 11(2): 965-969. doi: 10.12030/j.cjee.201509146

Citation:

页岩气压裂返排液处理回用中的问题及对策

1. 陕西延长石油(集团)有限责任公司研究院, 西安 710075

收稿日期: 2015-11-13

基金项目:

国土资源部、财政部矿产资源节约与综合利用重大专项（886043）

关键词:

摘要: 延长页岩气压裂返排液处理量大、组分复杂。现场所用的“四步法”处理工艺，处理后水配制的瓜胶压裂液难以达到相关行业标准要求。通过对水质特性和处理工艺中存在的问题进行分析，找出了关键原因，提出了改进方案并予以现场实施。结果表明：在絮凝过程中使用碳酸钠代替石灰乳作为pH调节剂、使用适量的杀菌剂1227、消除水中的残余氧化剂以及优化膜过滤系统的运行参数均有利于解决处理后水配制瓜胶压裂液不达标问题。开发新型化学剂，如开发廉价高效的耐温、耐盐、耐剪切改性瓜胶产品，也是解决相关问题的思路之一。

English Abstract

Problem and solving countermeasures on recycling technology for fracturing flow-back fluid of Shale Gas

1. Research Institute of Shaanxi Yanchang Petroleum(Group) Co., Ltd, Xi'an 710075, China

Received Date: 2015-11-13

Fund Project:

Keywords:

Abstract: Fracturing flow-back from the YanChang shale gas reservoir is characterized by high producing fluid flow and complex components. A four-step treatment process was used on-site, but the treated water did not satisfy the industry standard when reused for fracturing. Key factors were determined after analyzing the water quality and treatment process. An improvement plan was proposed and implemented at the site. The results showed that the aforementioned problems could be solved if sodium carbonate was used as the pH-adjusting agent instead of lime and a proper amount of fungicide 1227 was added. Eliminating the residual oxidant and optimizing the operating parameters of the membrane filtration system were also critical. One of the ideas to solve the problem is developing novel agents such as modified guar gum which has good temperature-resistance, salt-resistance, and cut-resistance properties.

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页岩气压裂返排液处理回用中的问题及对策

Problem and solving countermeasures on recycling technology for fracturing flow-back fluid of Shale Gas

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页岩气压裂返排液处理回用中的问题及对策

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Problem and solving countermeasures on recycling technology for fracturing flow-back fluid of Shale Gas

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