基于地质力学方法对不同结构断层破碎带封闭性评价——以渤海湾盆地济阳坳陷车镇凹陷M区为例

王则; 商琳; 龚丽荣; 王彤达

doi:10.11781/sysydz201906893

基于地质力学方法对不同结构断层破碎带封闭性评价——以渤海湾盆地济阳坳陷车镇凹陷M区为例

doi: 10.11781/sysydz201906893

王则^1,2,
商琳^3, ,,
龚丽荣³,
王彤达⁴

1. 油气资源探测国家重点实验室, 北京 102249;
2. 中国石油大学(北京) 地球科学学院, 北京 102249;
3. 中国石油冀东油田勘探开发研究院, 河北唐山 063000;
4. 中国石化胜利油田勘探开发研究院, 山东东营 271500

基金项目:

国家自然科学基金青年项目（41702112）资助。

详细信息

作者简介:
王则(1995-),女,硕士研究生,从事石油地质研究。E-mail:158553087@qq.com。

通讯作者:
商琳(1987-),男,在站博士后,从事油藏描述、低渗透、致密油开发研究。E-mail:shanglinsonny@163.com。

中图分类号: TE122.1
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出版历程
- 收稿日期: 2019-07-03
- 修回日期: 2019-09-14
- 刊出日期: 2019-11-28

Sealing performance evaluation of fault fracture zone of different structures based on geomechanical methods: a case study in M area, Chezhen Sag, Jiyang Depression, Bohai Bay Basin

WANG Ze^1,2,
SHANG Lin^{3
, ,},
GONG Lirong³,
WANG Tongda⁴

1. State Key Laboratory of Petroleum Resources and Prospecting, Beijing 102249, China;
2. College of Geosciences, China University of Petroleum(Beijing), Beijing 102249, China;
3. Research Institute of Exploration and Development, Jidong Oilfield Company, PetroChina, Tangshan, Hebei 063000, China;
4. Research Institute of Exploration and Development, SINOPEC Shengli Oilfield Company, Dongying, Shandong 271500, China

摘要

摘要: 断层封闭性对确定油气藏的分布意义重大，断层破碎带在地表露头容易识别，但在地下难以鉴别。在对断层破碎带进行识别和发育模式划分的基础上，利用测井资料计算获得动态岩石力学参数，再结合三轴应力试验得到的岩石静态参数对其进行校正，最后利用Ansys软件，对3种断层破碎带发育模式，即断层泥、断层角砾岩和派生裂缝带的封闭系数进行数值模拟。济阳坳陷车镇凹陷M地区断层破碎带的发育模式分为只发育派生裂缝带、断层泥不发育及结构完整的断层破碎带；结构完整的断层破碎带封闭性最好，其次为断层泥不发育的断层破碎带，而只发育派生裂缝带的封闭性最差，多为开启断层，裂缝带常成为油气运移的通道。
- 力学参数 /
- 常规测井 /
- 断裂带 /
- 断层封闭性 /
- 车镇凹陷 /
- 济阳坳陷 /
- 渤海湾盆地
Abstract: Fault sealing performance is an important control on the distribution of oil and gas reservoirs. A shattered fault zone can be identified easily in outcrops but difficult in the subsurface. Some fault fracture zones were identified and the development patterns were classified. Dynamic rock mechanical parameters were obtained from well logging data, and then corrected according to the rock static parameters obtained by triaxial stress experiments. Finally, using the Ansys software, a numerical simulation of the sealing coefficients of fault fracture zones in three development modes (fault gouge, fault breccia and induced fracture zone) was carried out. The development mode of the fault fracture zone in M area was divided into the fault fracture zone with only fractures developed, the undeveloped fault gouge and the fault fracture zone with a complete structure. The fault fracture zone with a complete structure shows the best sealing performance, followed by the fault fracture zone where the fault gouge is not developed. The fault fracture zone with only fractures developed shows the worst sealing performance. They are mostly open faults, and the fracture zone often becomes an oil and gas migration pathway.
- mechanical parameters /
- conventional well logging /
- fault zone /
- fault sealing performance /
- Chezhen Sag /
- Jiyang Depression /
- Bohai Bay Basin

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