污水压裂液现场应用探索与认识  

Field Exploration and Development of Fracturing Based on Oilfield Sewage

作　　者：吴刚飞[1] 修书志[1] 廖清志 王孝超[4] 陈立新 崔伟[1] WU Gangfei;XIU Shuzhi;LIAO Qingzhi;WANG Xiaochao;CHEN Lixin;CUI Wei(Engineering Technology Research institute,PetroChina Huabei Oilfield Company,Hebei 062552;Youxin Exploration and Development Corporation,PetroChina Huabei Oilfield Company,Hebei 062552;No.1 Oil Production Plant,PetroChina Huabei Oilfield Company,Hebei 62552;Exploration Department of PetroChina Huabei Oilfield Company,Hebei 062552)

机构地区：[1]华北油田工程技术研究院,河北062552 [2]华北油田友信勘探开发服务公司,河北062552 [3]华北油田采油一厂,河北062552 [4]华北油田勘探事业部,河北062552

出　　处：《中国煤层气》2019年第6期34-37,共4页China Coalbed Methane

基　　金：中国石油天然气股份有限公司重大科技专项“华北油田持续有效稳产勘探开发关键技术研究与应用”(2017E-1505-3)。

摘　　要：压裂改造已成为华北油田开发的主体技术,压裂用水需求巨大。同时油田产生的油田污水越来越多,处理的难度大。为了有效解决油田污水问题,同时降低压裂淡水用量,研究采用油田污水配置胍胶压裂液。在分析华北油田污水水质的基础上,深入分析污水压裂液配置难点,优选稠化剂、交联剂,最终形成污水压裂液配方。试验结果表明:污水压裂液破胶性能、携砂性能、耐温抗剪切性、与地层配伍性能良好,对地层伤害与常规水基压裂液相当。目前,使用该压裂液在华北油田施工1口井,取得了较好的效果。Fracturing treatment has become the main technology for the development of Huabei Oilfield, and the demand for fracturing water is huge. At the same time, more and more oilfield sewage is produced, which is difficult to solve. In order to effectively solve the problem of oilfield sewage and reduce the amount of fresh water for fracturing, the paper researches to use oilfield sewage to dispose of the rubber fracturing fluid. On the basis of analyzing the sewage quality of Huabei Oilfield, the paper analyzes the difficulties in the configuration of sewage fracturing fluid, preferably thickeners and cross-linking agents, and finally forms the formula of sewage fracturing fluid. The test results show that the sewage fracturing fluid has good gel breaking performance, sand carrying performance, temperature resistance and shear resistance, and compatibility with the formation. The damage to the formation is equivalent to the conventional water-based fracturing fluid. At present, the use of the fracturing fluid in the construction of a well in Huabei Oilfield has achieved good results.

关 键 词：油田污水 污水压裂液 压裂改造 性能评价 

分 类 号：TE357.12[石油与天然气工程—油气田开发工程]