| 海上高气油比致密油藏压裂返排技术 |
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| 引用本文： | 姜玉峰,葛东升. 海上高气油比致密油藏压裂返排技术[J]. 石油地质与工程, 2021, 35(1) |
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| 作者姓名： | 姜玉峰 葛东升 |
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| 作者单位： | 中海油能源发展股份有限公司上海工程技术分公司,上海200335 |
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| 基金项目： | 国家科技重大专项课题“东海深层低渗–致密天然气勘探开发技术”(2016ZX05027–003)。 |
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| 摘 要： | 水力压裂是低渗油气藏高效开发的关键技术之一,实施压裂作业后,需进行放喷返排作业;同时,考虑环保要求,海上平台对返排液的处理极其严格,返排技术是否科学直接决定压裂的改造效果。着重分析了海上生产平台实施压裂返排的问题和难点,并针对高气油比的致密油藏,研究出了一套通用有效的压裂返排技术,为海上实施平台化压裂提供了借鉴。
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| 关 键 词： | 气油比 致密油藏 压裂返排 |
Fracturing flowback technology for offshore tight reservoirs with high gas oil ratio |
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| JIANG Yufeng,GE Dongsheng. Fracturing flowback technology for offshore tight reservoirs with high gas oil ratio[J]. Petroleum Geology and Engineering, 2021, 35(1) |
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| Authors: | JIANG Yufeng GE Dongsheng |
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| Affiliation: | ,Shanghai Engineering Technology Company, CNOOC Energy Development Co., Ltd. |
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| Abstract: | Hydraulic fracturing is one of the key technologies for the efficient development of low-permeability oil and gas reservoirs. After the fracturing operation, blowoff flowback operation is required. At the same time, considering the requirements of environmental protection, the treatment of flowback fluid on offshore platform is extremely strict. Whether the flowback technology is scientific or not directly determines the fracturing effect. The problems and difficulties of fracturing flowback in offshore production platform are mainly analyzed in this paper, and for tight reservoirs with high gas oil ratio, a set of universal and effective fracturing flowback technology is developed, which provides a reference for offshore platform fracturing. |
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| Keywords: | gas oil ratio tight reservoir fracturing flowback |
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