王娟,燕永利,杨志刚.页岩气压裂返排液处理过程中的腐蚀防护技术[J].表面技术,2016,45(8):63-67.
WANG Juan,YAN Yong-li,YANG Zhi-gang.Corrosion Protection Technology in the Treatment of Fracturing Flow-back Fluid of Shale Gas[J].Surface Technology,2016,45(8):63-67 |
| 页岩气压裂返排液处理过程中的腐蚀防护技术 |
| Corrosion Protection Technology in the Treatment of Fracturing Flow-back Fluid of Shale Gas |
| 投稿时间：2016-04-12 修订日期：2016-08-20 |
| DOI：10.16490/j.cnki.issn.1001-3660.2016.08.011 |
| 中文关键词: 页岩气 压裂返排液 涂层 缓蚀剂 阴极保护 腐蚀 |
| 英文关键词:shale gas fracturing flow-back fluid coating corrosion inhibitor cathodic protection corrosion |
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| Author | Institution |
| WANG Juan | 1. College of Chemistry & Chemical Engineering, Xi′an Shiyou University, Xi′an 710065, China; 2.Research Institute of Shaanxi Yanchang Petroleum (Group) Co., Ltd, Xi′an 710075, China; 3.Shaanxi Key Laboratory of Lacustrine Shale Gas Accumulation and Exploitation (under Planning), Xi′an 710075, China |
| YAN Yong-li | College of Chemistry & Chemical Engineering, Xi′an Shiyou University, Xi′an 710065, China |
| YANG Zhi-gang | 1.Research Institute of Shaanxi Yanchang Petroleum (Group) Co., Ltd, Xi′an 710075, China; 2.Shaanxi Key Laboratory of Lacustrine Shale Gas Accumulation and Exploitation (under Planning), Xi′an 710075, China |
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| 中文摘要: |
| 目的 为页岩气压裂返排液处理过程中的腐蚀防护问题提供技术支持。方法 首先分析压裂返排液的特点，在此基础上详细分析页岩气压裂返排液处理过程中的腐蚀防护技术，即合理选用材料、缓蚀剂技术、涂层技术和阴极保护技术，并分析各种技术的优缺点。结果 页岩气压裂返排液处理过程中应多选用非金属材料；应尽量选择具有良好可溶性和水中分散性、毒性小的缓蚀剂；涂层往往需要与其他技术联合使用；阴极保护技术目前应用较少，应加大推广力度。结论 对于具体的页岩气压裂返排液处理工程，需要根据腐蚀环境、成本及现场工人操作水平等进行综合评估，选取合适的防护方法。实际运用时，需在结合以往经验的同时评价筛选最新的技术，尽量采用最新技术，同时需要多种技术联合使用，才能确保设备安全。 |
| 英文摘要: |
| Objective To provide technical support for corrosion protection in the treatment of fracturing flow-back fluid of shale gas. Methods Characteristics of fracturing fluid return fluid were introduced firstly, and then corrosion protection technology was introduced in details, such as reasonable selection of materials, corrosion inhibitor technology, coating technology, cathodic protection technology and the advantages and disadvantages of all technologies. Results Non metallic materials should be used in the treatment of fracturing flow-back fluid of shale gas. Corrosion inhibitor should be as far as possible with good solubility, water dispersion and small toxicity. Coatings were often used in combination with other technologies. Cathodic protection technology has not been widely used, thus it should be promoted. Conclusion For a specific treatment of fracturing flow-back fluid of shale gas, proper protection methods should be selected based on the comprehensive assessment on corrosion environment, cost and the operation level of the field workers. In practical use, new technologies should be assessed and selected based on past experiences. New technology should be adopted as far as possible. Meanwhile several technologies should be combined so as to guarantee equipment safety. |
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