[1]宋志峰,胡雅洁,吴庭新.水平井无工具分段酸压方法在塔河油田的应用[J].新疆石油地质,2016,(06):738.[doi:10.7657/XJPG20160619]
 SONG Zhifeng,HU Yajie,WU Tingxin.Application of Tool-Free Staged Acid Fracturing Technology in Horizontal Wells, Tahe Oilfield[J].Xinjiang Petroleum Geology,2016,(06):738.[doi:10.7657/XJPG20160619]
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水平井无工具分段酸压方法在塔河油田的应用()
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《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

卷:
期数:
2016年06期
页码:
738
栏目:
出版日期:
2016-12-01

文章信息/Info

Title:
Application of Tool-Free Staged Acid Fracturing Technology in Horizontal Wells, Tahe Oilfield
文章编号:
1001-3873(2016)06-0738-03
作者:
宋志峰1胡雅洁12 吴庭新3
(1.中国石化 西北油田分公司 石油工程技术研究院,乌鲁木齐 830011;2.中国地质大学 资源学院,武汉 430074;3.中国石油集团 西部钻探工程有限公司 井下作业公司,新疆 克拉玛依 834000)
Author(s):
SONG Zhifeng1 HU Yajie12 WU Tingxin3
(1.Research Institute of Petroleum Engineering and Technology, Northwest Oilfield Company, Sinopec, Urumqi, Xinjiang 830011, China; 2. School of Resources, China University of Geosciences, Wuhan, Hubei 430074, China; 3.Downhole Operation Company, Xibu Drilling Engineering Co. Ltd, CNPC, Karamay, Xinjiang 834000, China)
关键词:
塔河油田低品位油藏 碳酸盐岩油藏 水平井无工具分段酸压 高效开发
Keywords:
Tahe oilfield low quality reservoir carbonate reservoir horizontal well tool-free staged acid fracturing high-efficient development
分类号:
TE357.1
DOI:
10.7657/XJPG20160619
文献标志码:
A
摘要:
塔河油田低品位油藏地质储量大,但存在前置液酸压改造单井产能低、水平井工具分段酸压工艺成本高等问题,不能满足此类油藏的经济开发。通过缝洞型碳酸盐岩储集层无工具暂堵分段酸压方法的应用,即采用转向酸和可降解纤维等材料在缝口形成阻挡层,迫使裂缝从下一段起裂沟通其他储集体,从而改变前置液酸压沟通单一缝洞模式,实现对单井多个储集层一次酸压全部高效动用。现场实施结果表明,采用水平井无工具分段酸压模式,可使单井平均单段酸压费用降低47.8%,单井产能提高至邻井的1.8倍,从而大幅提高了开发效益。
Abstract:
Abundant OOIP is discovered in the low-quality reservoirs of Tahe oilfield. But this kind of reservoirs can’t be economically developed because of low well productivity after preflush acid-fracturing and high cost of staged acid fracturing with tools in horizontal wells. Tool-free, temporary-plugging staged acid fracturing method is used in fracture-cave carbonate reservoirs, that is using steering acid and degradable fiber at fissure vents as barriers, which could force fracture initiation from the next section and then the reservoirs could be connected with each other. Thus the single fracture-cave pattern of preflush acid-fracturing is changed and several reservoirs in a single well can be produced effectively through one-time acid fracturing. Field application result shows that the average acid fracturing cost for a single section in one well can be reduced by 47.8% and well productivity can be increased to 1.8 times of that in neighboring wells. Consequently, the development benefit is significantly improved

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更新日期/Last Update: 2016-11-29