叠复连续油气藏成因机制、发育模式及分布预测

doi:10.7623/syxb201405001

石油学报 ›› 2014, Vol. 35 ›› Issue (5): 795-828.DOI: 10.7623/syxb201405001

• 地质勘探 • 下一篇

叠复连续油气藏成因机制、发育模式及分布预测

庞雄奇^1,2, 姜振学^1,2, 黄捍东^1,2, 陈冬霞², 姜福杰²

1. 油气资源与探测国家重点实验室北京 102249;
2. 中国石油大学北京 102249

收稿日期:2014-08-25 修回日期:2014-09-03 出版日期:2014-09-25 发布日期:2014-08-05
通讯作者: 庞雄奇，男，1961年7月生，1982年获江汉石油学院学士学位，1991年获中国地质大学（北京）能源系博士学位，现为中国石油大学（北京）教授、博士生导师、国家“973”项目（2011CB201100）首席科学家，主要从事盆地分析、油气资源评价、油气成藏机理方面的教学与研究工作。Email：pangxq@cup.edu.cn
作者简介:庞雄奇，男，1961年7月生，1982年获江汉石油学院学士学位，1991年获中国地质大学（北京）能源系博士学位，现为中国石油大学（北京）教授、博士生导师、国家“973”项目（2011CB201100）首席科学家，主要从事盆地分析、油气资源评价、油气成藏机理方面的教学与研究工作。Email：pangxq@cup.edu.cn
基金资助:
国家重点基础研究发展计划（973）项目（2011CB201100）和国家重点基金项目（U1262205）资助。

Formation mechanisms, distribution models, and prediction of superimposed, continuous hydrocarbon reservoirs

Pang Xiongqi^1,2, Jiang Zhenxue^1,2, Huang Handong^1,2, Chen Dongxia², Jiang Fujie²

1. State Key Laboratory of Petroleum Resources and Prospecting, Beijing 102249, China;
2. China University of Petroleum, Beijing 102249, China

Received:2014-08-25 Revised:2014-09-03 Online:2014-09-25 Published:2014-08-05

摘要/Abstract

摘要：

不受浮力控制且大面积分布的油气藏自20世纪80年代被发现后受到世界各国政府和学者的高度重视，国际SPE、SPEE、WPC等权威机构将其命名为连续油气藏（continuous-type deposit），这类油气藏在美国的产量已占天然气总产量的三分之一并还在稳定增长，展现出广阔的勘探前景。广泛连续油气藏是一种非常规油气藏，它们是如何形成的？为什么内部高压油气层与低压油气层共存、早成油气藏与晚成油气藏共存、富油气区与含水区共存？这些问题长期以来困扰着国内外专家学者。研究表明：叠复连续油气藏发育于含油气盆地浮力成藏下限和油气成藏底限之间的局限流体动力场内，资源潜力大；叠复连续油气藏是局限流体动力场形成演化过程中不同阶段、不同动力机制形成的致密常规油气藏、致密深盆油气藏、致密复合油气藏等在时空上叠加复合而成，纵向上紧邻有效烃源岩层系分布；叠复连续油气藏内油气富集程度差异大，平面上受同一目的层段“近源-优相-低势”复合区控制。基于对3种致密油气藏成因机制与主控因素的揭示，建立了局限流体动力场内多要素组合控制叠复连续油气藏的形成和分布模式并研发了预测方法和评价技术。

关键词: 非常规油气, 致密油气藏, 连续油气藏, 叠复连续油气藏, 油气分布预测

Abstract:

Since their discovery in the 1980 s, hydrocarbon reservoirs that are widely distributed and uncontrolled by buoyancy have received great attention from governments and scholars in the world. These hydrocarbon reservoirs are named continuous-type deposit by international authorities, e.g., Society of Petroleum Engineers, Society of Petroleum Evaluation Engineers, and World Petroleum Council. Their production has accounted for one third of the total output of natural gas in the United States and is still experiencing a steady growth, showing great prospects of hydrocarbon exploration. Wide continuous-type deposit is a type of unconventional reservoirs and there have been long-term issues about its formation mechanisms as well as the coexistence of high- and low-pressure reservoirs, early- and late-formed reservoirs, or hydrocarbon-rich and water-bearing zones. In this study, the results show that superimposed, continuous hydrocarbon reservoirs with great resource potential are developed in the limited fluid dynamic field between the lower boundary of buoyancy-controlled accumulation and bottom boundary of hydrocarbon accumulation in hydrocarbon-bearing basins. These reservoirs are superposed in time and space by three types of tight reservoirs, i.e., tight conventional reservoirs, tight deep basin reservoirs and tight composite reservoirs which are developed in the limited fluid dynamic field of hydrocarbon-bearing basins at different stages with various driving forces. Vertically, the superposed reservoirs are distributed closely to bed series of effective source rocks. The degree of hydrocarbon enrichment in substantially varies in superposed, continuous reservoirs and is horizontally controlled by the near source-favorable facies-low potential composite zone of the same target interval. Based on the analysis of the formation mechanisms and major controlling factors of different tight hydrocarbon reservoirs, geological models of multi-key-factor combination controlling the formation and distribution of superimposed continuous hydrocarbon reservoirs in the limited fluid dynamic field were established.

Key words: unconventional reservoir, tight hydrocarbon reservoir, continuous-type deposit, superimposed hydrocarbon reservoirs, hydrocarbon distribution prediction

中图分类号:

TE112.3

庞雄奇, 姜振学, 黄捍东, 陈冬霞, 姜福杰. 叠复连续油气藏成因机制、发育模式及分布预测[J]. 石油学报, 2014, 35(5): 795-828.

Pang Xiongqi, Jiang Zhenxue, Huang Handong, Chen Dongxia, Jiang Fujie. Formation mechanisms, distribution models, and prediction of superimposed, continuous hydrocarbon reservoirs[J]. ACTA PETROLEI SINICA, 2014, 35(5): 795-828.

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叠复连续油气藏成因机制、发育模式及分布预测

Formation mechanisms, distribution models, and prediction of superimposed, continuous hydrocarbon reservoirs

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