油气勘探中圈闭分级评价与全周期管理模式

doi:10.3969/j.issn.1672-7703.2023.02.004

摘要/Abstract

摘要： 圈闭评价与管理是提高勘探决策效率与探井成功率的关键环节，高效规范的管理是连接圈闭评价与勘探部署的桥梁。通过调研国内外多家油公司圈闭分级评价和管理模式，结合中国油公司海外油气勘探圈闭评价实践，提出了一套符合国际惯例的圈闭分级评价与全周期管理模式。（1）根据控制圈闭的资料情况、认识程度、工程条件和经济性，将不同级别的圈闭划分为推测圈闭、潜在圈闭、证实圈闭和待钻圈闭4类，明确了各级圈闭的基本概念、分级界限、评价内容及管理要求；（2）建立了与4级圈闭相对应的圈闭待发现资源量分类体系，实现了不同级别圈闭待发现资源量的分类管理，丰富和发展了SPE—PRMS资源分级体系；（3）提出了圈闭全周期管理的目的、意义和内涵，明确了从推测圈闭到钻后评价全周期闭环管理的关键环节，对年度勘探计划或中长期规划制定具有重要的指导作用。通过圈闭分级评价与全周期管理模式的应用，清晰地展现了实现公司年度勘探增储目标和维持可持续发展所需的不同级别圈闭储备要求及不同勘探环节的工作目标，实现了各级圈闭动态管理和高效决策，具有较高的推广和应用价值。

关键词: 圈闭分级, 圈闭评价, 全周期管理, 圈闭待发现资源, 投资决策

Abstract: Prospect evaluation and management are a key link to improve the efficiency of exploration decision-making and the success rate of exploration wells. The high-efficiency and standardized management serves as a bridge connecting prospect evaluation and exploration deployment. By investigating prospect classification, evaluation and management practices of major oil companies worldwide, and combining with the overseas exploration practice of Chinese oil companies, a set of prospect classification, evaluation and full-cycle management mode in line with the international practice is proposed. (1) Based on the data coverage, geological understanding, engineering conditions, and economic value of the prospect, four levels of prospects are classified, including Concept, Lead, Prospect, and Drill Ready Prospect, and the definition, conception, evaluation content and management requirements of each level are specified; (2) The classification system of undiscovered resources of the four levels of prospects is established, achieving the classified management of the undiscovered resources, which enriches and develops SPE-PRMS resource classification system; (3) The purpose, meaning, and connotation of full-cycle prospect management are clarified, and the key links in the full-cycle closed-loop management from Concept to post-drilling evaluation are determined, which have a significant guiding role in formulating annual exploration plans or medium and long-term plans. The application of this system clearly shows the requirements of prospect portfolio of various levels and the work objectives at different exploration stages to achieve the annual reserve increase target and maintain the sustainable development of the company, realizing the dynamic management of various levels of prospects and high-efficiency decision-making, which has good promotion and application value.

中图分类号:

TE112.3

李志, 康海亮, 计智锋, 李富恒, 杨紫. 油气勘探中圈闭分级评价与全周期管理模式[J]. 中国石油勘探, 2023, 28(2): 35-43.

Li Zhi, Kang Hailiang, Ji Zhifeng, Li Fuheng, Yang Zi. Study on prospect classification, evaluation and full-cycle management mode in petroleum exploration[J]. China Petroleum Exploration, 2023, 28(2): 35-43.

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