鄂尔多斯盆地红河油田长8油藏效益开发地质评价参数的确定

何晨毓; 刘丽琼; 肖玉茹; 黄学斌; 李姝

doi:10.11781/sysydz202304791

鄂尔多斯盆地红河油田长8油藏效益开发地质评价参数的确定

doi: 10.11781/sysydz202304791

1.
西南石油大学经济管理学院，成都 610500
2.
中国石化石油勘探开发研究院，北京 100083

基金项目:

中国石化科技部项目“石油控制储量升级潜力评价技术及对策研究” P18055-4

详细信息

作者简介:
何晨毓(1995—)，女，博士生，从事油气资源评价与管理等研究。E-mail: 201911000072@stu.swpu.edu.cn

中图分类号: TE32
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- 被引次数: 0
出版历程
- 收稿日期: 2023-02-06
- 修回日期: 2023-06-02
- 刊出日期: 2023-07-28

Determination of geological evaluation parameters for profitable development of Chang 8 tight oil reservoir in Honghe oil field, Ordos Basin

1.
School of Economics and Management, Southwest Petroleum University, Chengdu, Sichuan 610500, China
2.
SINOPEC Petroleum Exploration and Production Research Institute, Beijing 100083, China

摘要

摘要: 由于致密油藏勘探开发成本高，如何实现致密油效益开发是当前亟需解决的问题。针对鄂尔多斯盆地红河油田长8致密油藏特点，突出单井信息，从影响致密油藏经济性的关键参数——单井经济可采储量入手，建立了一套基于单井经济可采储量的致密油藏效益开发地质评价参数确定方法和流程。针对红河油田长8致密油藏单井可采储量受裂缝控制的特殊性，油藏地质评价参数的确定增加了裂缝发育程度，选取单井技术可采储量、有效厚度、有效孔隙度、含油饱和度和裂缝发育程度5个参数进行分类，细分为6种类型。通过单井技术可采储量与有效厚度交会图，对照2种情景下的经济下限和油藏地质参数分类, 综合确定油藏地质参数下限。该方法在红河油田长8油藏取得了良好的实用效果，可为国内致密油藏“甜点区”的筛选和开发部署优化提供技术支撑。
- 单井技术可采储量 /
- 最小规模经济可采储量 /
- 经济界限 /
- 地质评价参数下限 /
- 红河油田 /
- 鄂尔多斯盆地
Abstract: Due to the high cost for exploration and development of tight oil reservoirs, it is an urgent problem to achieve profitable development of tight oil. According to the characteristics of tight oil reservoir in the eighth member of Triassic Yanchang Formation (Chang 8) in Honghe oil field, Ordos Basin, this paper highlighted single well information, started with the key parameters affecting the economic benefit of tight reservoir-single well economically recoverable reserves, and established a series of determination methods and process of geological evaluation parameters for profitable development of tight oil reservoirs based on single well economically recoverable reserves. Considering the particularity that the single well recoverable reserves of Chang 8 tight oil reservoir in Honghe oil field was controlled by fractures, the fracture development degree was added in the study of determination of the geological evaluation parameters. Five parameters, including single well technically recoverable reserves, net pay thickness, effective porosity, oil saturation and fracture development degree, were selected for classification and subdivided into six types. By compiling the intersection diagram of single well technically recoverable reserves and net pay thickness, the cutoffs of geological parameters were determined comprehensively by comparing the economic cutoffs and the classification of reservoir geological parameters under two scenarios. The method was applied to Chang 8 reservoir in Honghe oil field, and its feasibility was verified. The practical application shows that this method can provide effective technical support for sweet spot screening and development and deployment optimization in tight reservoirs.
- single well technically recoverable reserves /
- minimum quantities of economically recoverable reserves /
- economic limit /
- cutoffs of geological evaluation parameters /
- Honghe oil field /
- Ordos Basin
注释:

利益冲突声明/Conflict of Interests

所有作者声明不存在利益冲突。

All authors disclose no relevant conflict of interests.

作者贡献/Authors’ Contributions

肖玉茹和黄学斌参与实验设计；何晨毓、刘丽琼、李姝完成实验操作；何晨毓、刘丽琼、肖玉茹、黄学斌参与论文写作和修改。所有作者均阅读并同意最终稿件的提交。

The study was designed by XIAO Yuru and HUANG Xuebin.The experimental operation was completed by HE Chenyu, LIU Liqiong and LI Shu.The manuscript was drafted and revised by HE Chenyu, LIU Liqiong, XIAO Yuru and HUANG Xuebin. All the authors have read the last version of paper and consented for submission.

HTML全文

图 1 致密油藏效益开发地质评价参数确定流程

Figure 1. Process for determination of geological evaluation parameters for profitable development of tight reservoirs

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图 2 鄂尔多斯盆地红河油田长8油藏单井技术可采储量分布

Figure 2. Distribution of single well technically recoverable reserves of Chang 8 reservoir in Honghe oil field, Ordos Basin

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图 3 鄂尔多斯盆地红河油田长8油藏不同投资、油价下最小规模经济可采储量图版

Figure 3. Minimum quantities of economically recoverable reserves of Chang 8 reservoir in Honghe oil field, Ordos Basin under different capexes and oil prices

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图 4 鄂尔多斯盆地红河油田长8油藏地质参数下限图版

Figure 4. Cutoffs of geological parameters of Chang 8 reservoir in Honghe oil field, Ordos Basin

下载: 全尺寸图片幻灯片

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