渤海湾盆地东部油气门限控藏研究与有利成藏区预测评价

doi:10.7623/syxb2015S2001

石油学报 ›› 2015, Vol. 36 ›› Issue (S2): 1-18.DOI: 10.7623/syxb2015S2001

• 地质勘探 • 下一篇

渤海湾盆地东部油气门限控藏研究与有利成藏区预测评价

庞雄奇^1,2, 朱伟林³, 吕修祥⁴, 夏庆龙⁵, 潘志鸿^1,2, 庞莹^1,2

1. 油气资源与探测国家重点实验室北京 102249;
2. 中国石油大学地球科学学院北京 102249;
3. 中国海洋石油总公司北京 100010 ;
4. 中国石油大学盆地与油藏研究中心北京 102249;
5. 中海石油(中国)有限公司天津分公司天津 300452

收稿日期:2015-05-11 修回日期:2015-10-22 出版日期:2015-12-30 发布日期:2016-02-24
通讯作者: 朱伟林,男,1956年5月生,1982年获同济大学学士学位,2002年获同济大学博士学位,现为中国海洋石油总公司总地质师、教授级高级工程师,主要从事石油地质综合研究与勘探管理.Email:124776513@qq.com
作者简介:庞雄奇,男,1961年8月生,1982年获江汉石油学院学士学位,1991年获中国地质大学博士学位,现为中国石油大学(北京)教授、博士生导师,主要从事油气藏形成与分布预测的教学与科研工作.Email:pangxq@cup.edu.cn
基金资助:
中国海洋石油总公司与中国石油大学(北京)综合重大应用基础研究项目"渤海湾地区油气形成富集与分布预测"资助.

A study on hydrocarbon thresholds controlling reservoir accumulation and predictive evaluation of favorable accumulation areas in eastern Bohai Bay Basin

Pang Xiongqi^1,2, Zhu Weilin³, Lv Xiuxiang⁴, Xia Qinglong⁵, Pan Zhihong^1,2, Pang Ying^1,2

1. State Key Laboratory of Petroleum Resources and Prospecting, Beijing 102249, China;
2. College of Geosciences, China University of Petroleum, Beijing 102249, China;
3. China National Offshore Oil Corporation, Beijing 100010, China;
4. Basin and Reservoir Research Center, China University of Petroleum, Beijing 102249, China;
5. Tianjing Branch, CNOOC China Limited, Tianjin 300452, China

Received:2015-05-11 Revised:2015-10-22 Online:2015-12-30 Published:2016-02-24

摘要/Abstract

摘要：

经典油气地质理论在指导渤海湾盆地油气勘探中取得了重要进展,但随着油气勘探的深入,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复杂地质条件下油气精细勘探的需要.为此,在渤海湾盆东部海域地层发育与岩相展布、构造特征与形成演化、油气生成与资源评价等油气成藏条件综合研究的基础上,开展油气门限及其控藏规律研究.结果表明:烃源灶(S)、储层相(D)、封盖层(C)、低势区(P)等既能客观描述又能定量表征,这4类功能要素控制着渤海湾盆地东部海域油气藏的形成和分布.低势区主要表现为低位能的构造隆起(P1=M)、低压能的断裂带(P2=F)、低界面能的相对高孔渗岩体(P3=L).每一类功能要素都表现出确定的控藏边界、范围、概率,97 % 的油气藏分布在两倍烃源灶排烃半径范围内,96.5 % 的油气藏分布在颗粒不粗也不细(0.1 mm 8t,探井成功率提高20 %,反映理论模型可靠有效.

关键词: 渤海湾盆地, 油气藏, 油气分布门限, 功能要素组合, 有利成藏区带预测

Abstract:

Important progresses have been made in hydrocarbon exploration of Bohai Bay Basin under guidance of classic hydrocarbon geologic theory. However, as hydrocarbon exploration deepens, difficulty to discover hydrocarbon reservoirs gradually increases. The main reason is that traditional research methods based on logical judgment and qualitative analysis are increasingly unable to meet requirement of precise hydrocarbon exploration in complex geological conditions. Accordingly, based on a comprehensive study of hydrocarbon reservoir accumulation conditions, such as stratigraphic development, lithofacies distribution, tectonic characteristics, formation and evolution, hydrocarbon generation and resource assessment in eastern Bohai Bay Basin, the research was carried out on hydrocarbon threshold and its reservoir control laws. The results indicate that four functional elements control the formation and distribution of hydrocarbon reservoirs in eastern Bohai Bay Basin, including source kitchen (S), depositional facies of reservoirs (D), cap rocks (C) and low-potential areas (P), which can be objectively described and quantitatively characterized. The low-potential areas (P) are mainly shown as tectonic uplifts with low potential energy (P1=M), fault zones with low pressure energy (P2=F) and rocks with relatively high porosity and permeability (P3=L) as well as low interfacial energy. Each functional element presents the determined reservoir-control boundary, range and probability; 97 % of hydrocarbon reservoirs are distributed within area with double hydrocarbon-expulsion radius of source kitchen; 96.5 % of hydrocarbon reservoirs are distributed in the strata with favorable facies in moderate grains (0.1 mm

Key words: Bohai Bay Basin, hydrocarbon reservoir, hydrocarbon distribution threshold, functional-element combination, prediction of favorable accumulation area

中图分类号:

TE122

庞雄奇, 朱伟林, 吕修祥, 夏庆龙, 潘志鸿, 庞莹. 渤海湾盆地东部油气门限控藏研究与有利成藏区预测评价[J]. 石油学报, 2015, 36(S2): 1-18.

Pang Xiongqi, Zhu Weilin, Lv Xiuxiang, Xia Qinglong, Pan Zhihong, Pang Ying. A study on hydrocarbon thresholds controlling reservoir accumulation and predictive evaluation of favorable accumulation areas in eastern Bohai Bay Basin[J]. Acta Petrolei Sinica, 2015, 36(S2): 1-18.

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渤海湾盆地东部油气门限控藏研究与有利成藏区预测评价

A study on hydrocarbon thresholds controlling reservoir accumulation and predictive evaluation of favorable accumulation areas in eastern Bohai Bay Basin

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