[1]曲海,李根生,刘营.拖动式水力喷射分段压裂工艺在筛管水平井完井中的应用[J].石油钻探技术,2012,40(03):83-86.[doi:10.3969/j.issn.1001-0890.2012.03.017]
 Qu Hai,Li Gensheng,Liu Ying.The Application of Dragged Multistage Hydrojet-Fracturing in Horizontal Well with Screen Pipe Completion[J].Petroleum Drilling Techniques,2012,40(03):83-86.[doi:10.3969/j.issn.1001-0890.2012.03.017]
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拖动式水力喷射分段压裂工艺在筛管水平井完井中的应用(/HTML)
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《石油钻探技术》[ISSN:1001-0890/CN:11-1763/TE]

卷:
40卷
期数:
2012年03期
页码:
83-86
栏目:
油气开采
出版日期:
2012-05-25

文章信息/Info

Title:
The Application of Dragged Multistage Hydrojet-Fracturing in Horizontal Well with Screen Pipe Completion
作者:
曲海12 李根生2 刘营2
1. 中国石化石油工程技术研究院, 北京 100101;
2. 油气资源与探测国家重点实验室(中国石油大学(北京)), 北京 102249
Author(s):
Qu Hai12 Li Gensheng2 Liu Ying2
1. Sinopec Research Institute of Petroleum Engineering, Beijing, 100101, China;
2. State Key Laboratory of Petroleum Resource and Prospecting (China University of Petroleum(Beijing)), Beijing, 102249, China
关键词:
水力喷射分段压裂水平井筛管完井裂缝监测
Keywords:
hydraulic jettingstaged fracturinghorizontal wellscreen pipe completionfracture monitoring
分类号:
TE357.1
DOI:
10.3969/j.issn.1001-0890.2012.03.017
摘要:
为实现筛管水平井储层有效压裂改造和降低施工风险,对拖动式水力喷射分段压裂工艺进行了优化改进。根据水力喷射分段压裂工艺技术射流增压、射流密封和降低起裂压力的基本原理,结合筛管水平井的井况及特点,将拖动式水力喷射分段压裂工具与滑套式工具相组合,融合相应的施工工艺,降低了筛管井压裂管柱砂卡风险。成功对筛管水平井SA井实施3段加砂压裂,最高施工砂比达到40%,压裂规模72 m3,压裂管柱成功上提出井。裂缝监测结果表明,在水平段压裂位置产生了3条走向明显的裂缝,裂缝长度均为110~135 m,与设计长度吻合较好,实现了储层分段压裂目的。该井产油量由原来的4.0~5.0 t/d提高到25.9 t/d,压裂增产效果明显。
Abstract:
In order to stimulate horizontal wells with screen completion and decrease the risk in treatment,the dragged multistage hydrojet-fracturing(DHJF)was improved.Considering the characteristics of hydrojet technique,namely boosting pressure,sealing mechanism and decreasing the initial fracturing pressure,and the characteristic of screen completion,the jetting tool and sliding sleeve tools were combined and assembled at the end of treatment pipes.Then the DHJF was optimized to solve the problem of sanding in the fracturing string.The sanding risk of fracturing string could be greatly decreased.A horizontal well under screen completion was successfully fractured by DHJF.With 72 m3 proppants in total and the highest sand ratio of 40%,the length of three hydraulic fractures reached 110-135 m.Finally,the fracturing string was pulled out of the well.Micro-seismic mapping indicated that three hydraulic fractures were placed at strategically selected locations which improved the formation permeability.Daily oil production of Well SA increasede from 4.0-5.0 t/d to 25.9 t/d,proving good stimulation result in this well.

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备注/Memo

备注/Memo:
收稿日期:2011-8-15;改回日期:2012-4-13。
基金项目:国家自然科学基金项目"超临界二氧化碳在非常规油气藏中应用的基础研究"(编号:51034007)资助
作者简介:曲海(1981-),男,山东潍坊人,2008年毕业于西南石油大学机械设计及理论专业,2011年获中国石油大学(北京)油气井工程专业博士学位,工程师,主要从事油气开采和增产新技术研究.
更新日期/Last Update: 1900-01-01