[1]何小东,张景臣,王俊超,等.考虑天然裂缝条件下水平井压裂簇间距优化——以吉木萨尔页岩油为例[J].深圳大学学报理工版,2022,39(2):134-141.[doi:10.3724/SP.J.1249.2022.02134]
 HE Xiaodong,ZHANG Jingchen,WANG Junchao,et al.Optimization of fracturing cluster spacing of horizontal wells with natural fractures: taking Jimusar shale oil as an example[J].Journal of Shenzhen University Science and Engineering,2022,39(2):134-141.[doi:10.3724/SP.J.1249.2022.02134]
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考虑天然裂缝条件下水平井压裂簇间距优化——以吉木萨尔页岩油为例()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第39卷
期数:
2022年第2期
页码:
134-141
栏目:
环境与能源
出版日期:
2022-03-15

文章信息/Info

Title:
Optimization of fracturing cluster spacing of horizontal wells with natural fractures: taking Jimusar shale oil as an example
文章编号:
202202004
作者:
何小东1 张景臣2 王俊超1 李恒2 陈希1 郭晓东2
1)中国石油新疆油田分公司工程技术研究院,新疆克拉玛依 834000
2)中国石油大学(北京)非常规油气科学技术研究院,北京 102249
Author(s):
HE Xiaodong1ZHANG Jingchen2WANG Junchao1LI Heng2CHEN Xi1and GUO Xiaodong2
1) Research Institute of Engineering and Technology, Xinjiang Oilfield Company, PetroChina, Karamay 834000, Xinjiang Uygur Autonomous Region, P. R. Chin
2) Unconventional Oil and Gas Science and Technology Research Institute, China University of Petroleum (Beijing), Beijing 102249, P. R. China
关键词:
油田开发页岩油大段多簇簇间距天然裂缝水力压裂数值模拟
Keywords:
oilfield development shale oil large sections and multiple clusters cluster spacing natural fracture hydraulic fracturing numerical simulation
分类号:
TE348
DOI:
10.3724/SP.J.1249.2022.02134
文献标志码:
A
摘要:
吉木萨尔国家级陆相页岩油示范区位于中国准噶尔盆地东部,该示范区页岩油资源丰富,开发潜力巨大.大段多簇压裂试验中,为在密切割布缝设计工艺上优化簇间距,提高压裂改造体积,根据目标区块的地质资料和工程资料,采用水力压裂模拟和数值模拟的分析手段,建立一套考虑天然裂缝的簇间距优化方法,模拟密切割工艺下,不同簇间距和不同基质渗透率对改造效果和区域动用程度的影响.结果表明,通过缩小簇间距,可减缓井底压力下降幅度,在页岩油渗透率为1×10-6~1×10-5 μm2时,簇间距设计不超过20 m,才能延缓压力下降.研究结果可为该区块页岩油的簇间距设计提供理论参考.
Abstract:
Jimusar national continental shale oil demonstration zone is located in the east of Junggar Basin of China, which is rich in shale oil resources and great development potential. In the large-segment and multi-cluster fracturing test, in order to optimize the cluster spacing and increase the fracturing reconstruction volume in the design process of close cutting seams, a set of cluster spacing optimization methods considering natural fractures is established by using the analysis methods of hydraulic fracturing simulation and numerical simulation according to the geological and engineering data of the target block, and the influence of different cluster spacing and different matrix permeability on reconstruction effect and regional exploitation degree is simulated under the close cutting process. The results show that by reducing cluster spacing, the pressure drop at the bottom hole can be slowed down. When the shale oil permeability is within the range of 1×〖10〗^(-6) to 1×〖10〗^(-5) μm2, the designed cluster spacing should not exceed 20 m so as to delay the pressure drop. The research results can provide theoretical references for cluster spacing design of shale oil in this block.

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备注/Memo

备注/Memo:
Received: 2021-02-22; Accepted: 2021-08-05; Online (CNKI): 2021-11-12
Foundation: CNPC Strategic Science and Technology Project (ZLZX2020-02-07-03, ZLZX2020-02-07-05); Tianshan Youth Program of Science and Technology Department of Xinjiang Autonomous Region (2018Q030)
Corresponding author: Associate professor ZHANG Jingchen. E-mail: jingchen120@126.com
Citation: HE Xiaodong, ZHANG Jingchen, WANG Junchao, et al.Optimization of fracturing cluster spacing of horizontal wells with natural fractures: taking Jimusar shale oil as an example [J]. Journal of Shenzhen University Science and Engineering, 2022, 39(2): 134-141.(in Chinese)
基金项目:中石油战略科技资助项目(ZLZX2020-02-07-03;ZLZX2020-02-07-05);新疆自治区科技厅天山青年计划资助项目(2018Q030)
作者简介:何小东(1985—),中国石油新疆油田分公司高级工程师. 研究方向:非常规油气藏开发技术.E-mail: 17752178@qq.com
引 文:引用格式:何小东,张景臣,王俊超,等.考虑天然裂缝条件下水平井压裂簇间距优化——以吉木萨尔页岩油为例[J].深圳大学学报理工版,2022,39(2):134-141.
更新日期/Last Update: 2022-03-30