渤海湾盆地南堡凹陷油气成藏区带定量预测与评价

doi:10.7623/syxb2015S2002

石油学报 ›› 2015, Vol. 36 ›› Issue (S2): 19-35.DOI: 10.7623/syxb2015S2002

渤海湾盆地南堡凹陷油气成藏区带定量预测与评价

董月霞¹, 庞雄奇^2,3, 黄曼宁^2,3, 武鲁亚^2,3, 白静^2,3

1. 中国石油冀东油田公司河北唐山 063004;
2. 油气资源与探测国家重点实验室北京 102249;
3. 中国石油大学盆地与油藏研究中心北京 102249

收稿日期:2015-05-11 修回日期:2015-10-22 发布日期:2016-02-24
通讯作者: 董月霞,女,1968年5月生,1990年获大庆石油学院学士学位,2002年获中国地质大学(武汉)博士学位,现为中国石油冀东油田公司总地质师、教授级高级工程师,主要从事油气勘探地质综合研究与油气田勘探生产实践工作.Email:dongyx@petrochina.com.cn
基金资助:
国家重大科技专项(2011ZX05006)资助.

Q uantitative prediction and evaluation of favorable hydrocarbon accumulation zones in Nanpu sag of Bohai Bay Basin

Dong Yuexia¹, Pang Xiongqi^2,3, Huang Manning^2,3, Wu Luya^2,3, Bai Jing^2,3

1. PetroChina Jidong Oilfield Company, Hebei Tangshan 063004, China;
2. State Key Laboratory of Petroleum Resources and Prospecting, Beijing 102249, China;
3. Basin and Reservoir Research Center, China University of Petroleum, Beijing 102249, China

Received:2015-05-11 Revised:2015-10-22 Published:2016-02-24

摘要/Abstract

摘要：

随着油气勘探工作的深入,油气藏发现难度越来越大,主要原因是基于逻辑判断和定性分析的传统研究方法越来越不能适应精细和深化勘探的需要.以油气藏分布临界条件为切入点,对南堡凹陷开展了油气分布规律研究,结果显示油气藏的形成和分布受四大功能要素控藏临界条件的控制:南堡凹陷已发现油气藏全部分布在距源灶中心30 km范围内;90 % 以上油气藏分布在沉积物颗粒直径介于0.1~0.5 mm的优相储层中;所有油气藏分布在区域盖层厚度介于140~300 m地层之下;背斜油气藏分布在古隆起的顶部及其附近的斜坡地区;100 % 油气藏储量分布在距断裂距离小于800 m的范围内;全部油气藏分布在势能指数小于0.35的区域.通过综合分析建立了功能要素组合控藏模式(T-CDPS),并基于此预测了南堡凹陷8套目的层系在主成藏期(馆陶组沉积以后)背斜类、断层类、岩性类3类油气藏的有利分布发育区,共预测出138个有利成藏区;已发现的454个油气藏之中有452个油气藏落入了四大功能要素叠合的最有利成藏区,回放吻合率达到99 % .

关键词: 南堡凹陷, 油气分布门限, 功能要素组合, 有利成藏区带, 定量预测

Abstract:

With development of oil & gas exploration, it becomes more and more difficult to discover hydrocarbon reservoir. The main reason is that traditional research methods on the basis of logical judgments and qualitative analysis can hardly satisfy requirements of fine exploration and further exploration. Based on the critical condition of hydrocarbon reservoir distribution, a research is conducted on the distribution laws of hydrocarbon reservoir in Nanpu sag, and results show that formation and distribution of hydrocarbon reservoir are controlled by the critical condition of four functional elements. All discovered reservoirs in Nanpu sag are within scope of 30 km from source kitchen center, more than 90 % of which are distributed in the favorable facies reservoir with particle diameter ranging from 0.1 mm to 0.5 mm. All hydrocarbon reservoirs are under the regional caprock with thickness between 140 m and 300 m. Anticline reservoir is distributed at the top of the palaeohigh and its adjacent slope. Hydrocarbon reserves are all distributed within the area below 800 m from faults. The reservoirs are all distributed in the region with the potential index less than 0.35. The model of functional element (T-CDPS) is established through comprehensive analysis. On this basis, this study predicts favorable distribution and development area of anticline, fault and lithologic hydrocarbon reservoirs in 8 sets of target strata of Nanpu sag in the main accumulation stage (after Guantao depositional period), as well as total 138 favorable hydrocarbon accumulation areas. Among the 454 discovered hydrocarbon reservoirs, 452 reservoirs are located in the predicted favorable hydrocarbon accumulation areas and the coincidence rate of playback is up to 99 % .

Key words: Nanpu sag, hydrocarbon distribution threshold, combination of functional elements, favorable accumulation areas, quantitative prediction

中图分类号:

TE132

董月霞, 庞雄奇, 黄曼宁, 武鲁亚, 白静. 渤海湾盆地南堡凹陷油气成藏区带定量预测与评价[J]. 石油学报, 2015, 36(S2): 19-35.

Dong Yuexia, Pang Xiongqi, Huang Manning, Wu Luya, Bai Jing. Q uantitative prediction and evaluation of favorable hydrocarbon accumulation zones in Nanpu sag of Bohai Bay Basin[J]. Acta Petrolei Sinica, 2015, 36(S2): 19-35.

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渤海湾盆地南堡凹陷油气成藏区带定量预测与评价

Q uantitative prediction and evaluation of favorable hydrocarbon accumulation zones in Nanpu sag of Bohai Bay Basin

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