层理缝在致密油成藏富集中的意义、研究进展及其趋势

罗群; 魏浩元; 刘冬冬; 张晨; 朱德宇; 张云钊; 王健

doi:10.11781/sysydz201701001

层理缝在致密油成藏富集中的意义、研究进展及其趋势

doi: 10.11781/sysydz201701001

1.
中国石油大学 (非常)规天然气研究院, 北京 102200
2. 中国石油玉门油田勘探开发研究院, 甘肃酒泉 735019

基金项目: 国家自然科学基金项目（41372145）和国家重点基础研究发展计划（973计划）项目（2015CB250901）资助”。

详细信息

作者简介:
罗群(1963-),男,博士,副教授,从事常规与非常规油气地质研究与评价。E-mail:luoqun2002@263.net。

中图分类号: TE132.2
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出版历程
- 收稿日期: 2016-05-11
- 修回日期: 2016-12-05
- 刊出日期: 2017-01-28

Research significance, advances and trends on the role of bedding fracture in tight oil accumulation

1.
Unconventional Natural Gas Institute, China University of Petroleum, Beijing 102249, China
2. Exploration and Development Institute of Yumen Oil Field, PetroChina, Jiuquan, Gansu 735019, China

摘要

摘要: 目前裂缝对油气成藏与富集的研究均局限于构造裂缝，且主要针对常规油气（包括低渗透油气）领域。致密油藏中裂缝对石油成藏富集的影响和作用研究也主要局限于构造裂缝。调研与实际考察表明，层理缝在致密油储层中普遍发育，且对致密油的成藏富集有明显的贡献，是最为重要的裂缝类型。层理缝的启闭与石油充注的时空匹配耦合关系是致密油成藏富集的关键。然而裂缝对致密油成藏富集的影响和控制作用研究十分薄弱，尤其是层理缝与致密油成藏富集的关系、层理缝对致密油成藏富集的贡献，几乎没有相关成果发表。使得层理缝的启闭机制及石油充注富集效应成为致密油成藏富集研究中的重大科学问题。因此，加强“致密油储层层理缝启闭主控地质因素与启闭机制、致密油储层层理缝启闭与石油充注耦合关系、致密油储层层理缝石油充注下限的确定”的研究，将成为致密油成藏富集、落实有利甜点理论研究与技术研发的主要趋势。
- 成藏富集 /
- 研究进展 /
- 层理缝 /
- 致密油
Abstract: At present, the research on fractures in petroleum accumulation are limited to tectonic fractures, and mainly deal with conventional petroleum accumulation (including low permeability petroleum accumulation). For tight reservoirs, the studies are also limited to tectonic fractures. Previous investigations revealed that bedding fracture was the most important type because of its common growth and obvious contribution to tight oil accumulation. The time-space matching relationship between bedding fracture opening or closing and petroleum charge is the key of tight oil accumulation. However, research on the effect and role of fractures in tight oil accumulations were very limited, especially on the relationship between bedding fractures and tight oil accumulations as well as the contribution of bedding fractures to tight oil accumulations. This makes bedding fracture opening and closing mechanism and petroleum charge effect an important science question. So, the main geological reasons and the opening and closing mechanism of bedding fractures, the coupling relationship between bedding fracture opening and closing and petroleum charge, and the lower limit of bedding fractures for petroleum charge in tight reservoirs are research trends on tight oil accumulations in the future.
- accumulation /
- research advance /
- bedding fracture /
- tight oil

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