石油储量升级效益评价方法研究

胡燕

doi:10.11781/sysydz202203530

石油储量升级效益评价方法研究

doi: 10.11781/sysydz202203530

胡燕

中国石化石油勘探开发研究院, 北京 102206

基金项目:

中国石化科技部项目 P18055-2

中国石化石勘院基础前瞻项目 P21085-27

详细信息

作者简介:
胡燕(1984-), 女, 博士, 高级经济师, 从事石油经济评价与战略规划研究。E-mail: huyan.syky@sinopec.com

中图分类号: TE01
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- 文章访问数: 305
- HTML全文浏览量: 78
- PDF下载量: 27
- 被引次数: 0
出版历程
- 收稿日期: 2021-07-08
- 修回日期: 2022-04-08
- 刊出日期: 2022-05-28

Evaluation methods for oil reserve upgrading

HU Yan

Petroleum Exploration and Production Research Institute, SINOPEC, Beijing 102206, China

摘要

摘要: 预测储量和控制储量是否可升级与油藏地质认识、技术配套、经济效益高度相关，尤其在低油价下区块经济性成为制约升级的关键因素。为了从大量区块中快速筛选出经济有效的区块，结合区块储量特点，研究了计算单井经济界限的方法，构建了单井经济界限现金流模型和计算流程。该方法普遍适用于保有储量和新增储量的经济性判断，也可应用于不同勘探开发阶段项目评价中，可为高效勘探和效益开发提供技术支撑。以中国石化某地区特低渗透油藏为例，评价了油价为40, 50, 60, 70, 80美元/桶下，与效益相关的潜力储量分别为0.5，0.8，1.2，1.6，1.7亿吨。
- 无因次产量 /
- 初产界限 /
- 经济界限 /
- 石油储量升级
Abstract: Whether the predicted and controlled reserves can be upgraded is highly related to factors such as geological understanding of reservoir, technical support, and economic benefits. Especially at low-oil-price periods, the block economy has become a key factor restricting the upgrade.In order to quickly screen out economical and effective blocks from a large number of candidates, combined with the characteristics of reserve blocks, the method of calculating the economic limit of a single well is studied, and a cash flow model and calculation process of the economic limit of a single well are proposed.This method is generally applicable for the economic judgment of retained reserves and newly added reserves, moreover, it can also be applied to the evaluation of exploration and development projects at different stages, providing technical support for efficient exploration and profitable development as well.Taking an ultra-low permeability oil reservoir in a certain area of SINOPEC as an example, it is estimated that the potential reserves related to benefits are (50, 80, 120, 160, 170)×10⁶ t at oil prices of 40, 50, 60, 70, 80 USD/bbl.
- dimensionless production /
- initial production /
- economic limit /
- oil reserve upgrade

HTML全文

图 1 中国石化主要油藏类型月度无因次产量变化模型

Figure 1. Variation model of monthly dimensionless production of major reservoir types of SINOPEC

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图 2 中国石化特低渗透油藏直井钻井投资估算模型

Figure 2. Estimation model of investment for vertical well drilling in ultra-low permeability reservoirs, SINOPEC

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图 3 单井经济界限计算流程

Figure 3. Calculation flow chart of economic limit per well

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图 4 中国石化某地区特低渗透油藏类型月度无因次产量变化模型

Figure 4. Monthly dimensionless production changes of ultra-low permeability reservoirs in a certain area of SINOPEC

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图 5 中国石化某地区特低渗透油藏不同油价下单井经济界限计算结果

Figure 5. Calculation results of single-well economic limit under different oil prices in ultra-low permeability reservoirs of SINOPEC

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图 6 某地区特低渗透油藏预测储量区块试油初产与单井初产界限比较

Figure 6. Comparison of initial production of oil test and initial production limit of single well of predicted reserve blocks of ultra-low permeability reservoirs in a certain area of SINOPEC

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