致密油气藏水平井全通径压裂技术  

Multi-Stage Full-Bore Fracturing Technology for Horizontal Well in Tight Reservoirs

作　　者：韩峰[1,2] 王建全[1,2,3] 薛占峰[1,2] 戴文潮[1,2] 朱和明[1,2] 

机构地区：[1]中国石化石油工程技术研究院,北京100101 [2]页岩油气富集机理与有效开发国家重点实验室,北京100101 [3]德州大陆架石油工程技术有限公司,山东德州253034

出　　处：《中国海洋平台》2017年第3期12-17,共6页China offshore Platform

基　　金：国家科技重大专项资助项目"深层页岩气开发关键装备与工具研制"(2016ZX05038-005)

摘　　要：为满足水平井分段压裂技术逐步向管柱全通径方向发展的需求,对致密油气藏几种全通径压裂工艺的主要特点和适用条件进行分析,研究配套压裂工具的结构形式,介绍滑套、桥塞和水力喷砂射孔3种压裂工具管柱全通径的工作原理和实现方式,总结几种全通径压裂工艺的关键技术。结合我国重庆涪陵、华北鄂尔多斯等不同区域的地层特点、井深结构和自然条件,提出适合其自身特点的压裂工艺和配套工具,进一步预测我国深层页岩气开发对压裂工具的现场需求和发展趋势。为新型压裂工具的研究提供参考。In order to meet the developmental demands of horizontal well multistage technology developing in the full-bore direction,the primary characteristics and applicable conditions of downhole fracturing tools are analyzed,structure of the sliding sleeve,bridge plug and sand-jet perforating technology are investigated,and the implementation method and way to realize full-bore are introduced.Key technology is concluded in fracturing process.Based on the stratigraphic distribution characteristics,well structure and environmental condition of Fuling and Erdos,suitable fracturing technology and tools are suggested.According to the development of deep shale gas reservoir,the construction requirement development trend of fraturing tools are predicted.

关 键 词：致密油气藏 水平井 分段压裂 全通径 压裂工具 

分 类 号：TE256[石油与天然气工程—油气井工程]