机械比能模型在潜山储集层评价中的改进与应用

doi:10.3969/j.issn.1006-6535.2024.04.019

特种油气藏 ›› 2024, Vol. 31 ›› Issue (4): 149-155.DOI: 10.3969/j.issn.1006-6535.2024.04.019

机械比能模型在潜山储集层评价中的改进与应用

李鸿儒¹, 谭忠健², 程为红³, 邓津辉², 张立刚⁴, 张志虎¹, 刘志伟¹

1.中海油能源发展股份有限公司工程技术分公司,天津 300459;
2.中海石油(中国)有限公司天津分公司,天津 300459;
3.中国石油辽河油田分公司,辽宁盘锦 124109;
4.东北石油大学提高采收率教育部重点实验室,黑龙江大庆 163318

收稿日期:2023-10-27 修回日期:2024-05-09 出版日期:2024-08-25 发布日期:2024-09-20
作者简介:李鸿儒(1985—),男,高级工程师,2007年毕业于长江大学地球化学专业,现主要从事海上油气勘探开发作业与研究工作。
基金资助:
中海石油(中国)有限公司重大科技专项“渤海油田上产4000万吨新领域勘探关键技术”(CNOOC-KJ 135 ZDXM36 TJ 08 TJ);中海石油(中国)有限公司综合科研项目“储层有效性录测一体化定量评价技术研究”(YXKY-2019-TJ-03)

Improvement and Application of Mechanical Specific Energy Model in Buried Hill Reservoir Evaluation

Li Hongru¹, Tan Zhongjian², Cheng Weihong³, Deng Jinhui², Zhang Ligang⁴, Zhang Zhihu¹, Liu Zhiwei¹

1. Engineering Technology Branch,CNOOC Energy Development Co.,Ltd.,Tianjin 300459, China;
2. CNOOC (China) Co.,Ltd.,Tianjin Branch,Tianjin 300459,China;
3. PetroChina Liaohe Oilfield Company,Panjin,Liaoning 124109, China;
4. Key Laboratory of Enhanced Oil Recovery of the Ministry of Education, Northeast Petroleum University, Daqing, Heilongjiang 163318, China

Received:2023-10-27 Revised:2024-05-09 Online:2024-08-25 Published:2024-09-20

摘要/Abstract

摘要： 渤海油田潜山储层岩性多样、地质条件复杂、非均质性强,传统机械比能模型对潜山储层储集性能响应的敏感性较差,难以高效指导勘探作业决策。为此,基于微钻头钻进实验和滑动窗口理论,分析了机械比能对工程参数的响应规律,构建了机械比能标准化模型和改进型机械比能模型,形成了潜山储层储集性能解释标准。结果表明:渤海油田潜山储层钻压系数为0.309～0.605;改进型机械比能小于0.80时为Ⅰ、Ⅱ类储层,改进型机械比能为0.80～1.15时为Ⅲ类储层,改进型机械比能大于1.15时为致密储层。研究成果在渤海油田36口潜山探井作业中进行了应用,储层储集性能解释符合率平均值为80.2%。该研究可为中途测试、完钻等勘探作业决策提供技术支持,具有很好的借鉴意义。

关键词: 机械比能模型, 储层储集性能, 滑动窗口原理, 潜山储层, 渤海海域

Abstract: The buried hill reservoirs in the Bohai oilfield exhibit diverse lithology,complex geological conditions,and strong heterogeneity,making traditional mechanical specific energy models less sensitive to the reservoir's performance and hard to provide efficient guide exploration strategy.Therefore,based on micro-bit drilling tests and the moving window theory,this study analyzed the response patterns of mechanical specific energy to engineering parameters,constructed standardized mechanical specific energy models and modified mechanical specific energy models,also formulated interpretation standards for reservoir performance in buried hill reservoirs.The results indicate that the drilling pressure coefficient of buried hill reservoirs in Bohai oilfield ranges from 0.309 to 0.605.When the specific energy of the modified mechanical model is less than 0.80,it corresponds to Type Ⅰ and Type Ⅱ reservoir; when the specific energy ranges from 0.80 to 1.15,it corresponds to Type Ⅲ reservoir,while when it exceeds 1.15,it is tight reservoir.The research findings have been applied in 36 buried exploration wells in Bohai oilfield,with anaverage interpretation coincidence rate of reservoir performance of 80.2%.This study can provide technical support for exploration decisions such as midterm testing and completion drilling, and has significant reference value.

Key words: mechanical specific energy model, reservoir performance, moving window principle, buried hill reservoir, Bohai Sea

中图分类号:

TE353

李鸿儒, 谭忠健, 程为红, 邓津辉, 张立刚, 张志虎, 刘志伟. 机械比能模型在潜山储集层评价中的改进与应用[J]. 特种油气藏, 2024, 31(4): 149-155.

Li Hongru, Tan Zhongjian, Cheng Weihong, Deng Jinhui, Zhang Ligang, Zhang Zhihu, Liu Zhiwei. Improvement and Application of Mechanical Specific Energy Model in Buried Hill Reservoir Evaluation[J]. Special Oil & Gas Reservoirs, 2024, 31(4): 149-155.

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机械比能模型在潜山储集层评价中的改进与应用

Improvement and Application of Mechanical Specific Energy Model in Buried Hill Reservoir Evaluation

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