油气由断裂向砂体侧向分流能力定量评价方法——以渤海湾盆地饶阳凹陷留楚构造为例

doi:10.11743/ogg20160620

石油与天然气地质 ›› 2016, Vol. 37 ›› Issue (6): 979-989.doi: 10.11743/ogg20160620

油气由断裂向砂体侧向分流能力定量评价方法——以渤海湾盆地饶阳凹陷留楚构造为例

王伟¹, 孙同文¹, 曹兰柱², 吕延防¹, 付广¹, 鲁秀芹², 邓玮¹, 张桓¹

1. 东北石油大学地球科学学院, 黑龙江大庆 163318;
2. 中国石油华北油田分公司勘探开发研究院, 河北任丘 062552

收稿日期:2016-09-27 修回日期:2016-10-12 出版日期:2016-12-08 发布日期:2017-01-02
第一作者简介:王伟(1985-),男,博士研究生,油气运移与保存条件。E-mail:yujian-zachj@163.com。
基金项目:
国家自然科学基金项目（41602164）；黑龙江省自然基金项目（QC2016048）；东北石油大学研究生创新科研项目（YJSCX2015-003NEPU）。

An quantitative evaluation method of probability for diversion flow oil and gas laterally from faults to sand bodies: A case study from Leave Chu Structure in the Raoyang Sag,Bohai Bay Basin

Wang Wei¹, Sun Tongwen¹, Cao Lanzhu², Lyu Yanfan¹, Fu Guang¹, Lu Xiuqin², Deng Wei¹, Zhang Huan¹

1. College of Geosciences, Northeast Petroleum University, Daqing, Heilongjiang 163318, China;
2. Exploration and Development Research Institute of Huabei Oilfield Company, PetroChina, Renqiu, Hebei 062552, China

Received:2016-09-27 Revised:2016-10-12 Online:2016-12-08 Published:2017-01-02

摘要/Abstract

摘要： 在油田勘探中，判断油气由断裂垂向运移后侧向分流的优势层位十分重要，但目前缺少有效的评价方法。以渤海湾盆地饶阳凹陷留楚地区为例，在综合分析盖层厚度和断-砂接触面积等影响油气侧向分流能力因素的基础上，利用储层地震反演等地球物理技术建立了主要影响因素的求取方法，并系统分析圈闭充满度与各因素之间的相关性，优选出有效影响因素，然后综合有效因素建立断-砂侧向分流能力定量评价公式。结果表明：当断-砂侧向分流系数R大于0.3时开始发生油气侧向分流，并且R越大圈闭充满度越高，当R大于0.9时油藏为纯油层。利用断-砂侧向分流系数对f038和f008两条断层的侧向分流情况进行验证，结果与实际钻井情况吻合较好。

关键词: 断-砂侧向分流, 定量评价, 油气运移, 留楚构造, 饶阳凹陷, 渤海湾盆地

Abstract: In hydrocarbon exploration,it is very important to identify the dominant strata for oil and gas lateral charge after vertical migration,but there is few effective evaluation method.This paper took Leave Chu area of the Raoyang Sag in the Bohai Bay Basin as an example.On the basis of comprehensive analysis on factors influencing oil and gas lateral diversion probability,such as caprock thickness and contact area between faults and sand bodies,evaluation methods of influence factors were established by using reservoir seismic inversion.Correlation between percentage of trap-filling and various selected factors was systematically analyzed to build quantitative evaluation equation for fault-sand lateral diversion probability.The results show that when fault-sand lateral diversion factor R>0.3,oil and gas lateral diversion initiates.A positive correlation between the R and percentage of trap-filling is observed.Moreover,when R>0.9,reservoirs are fully charged net pay zone.The factor R is applied to the faults f038 and f008,and the results are in good agreement with drilling data.

Key words: fault-sand lateral diversion, quantitative evaluation, oil and gas migration, Leave Chu Structure, Raoyang Sag, Bohai Bay Basin

中图分类号:

TE122.1

王伟,孙同文,曹兰柱,等. 油气由断裂向砂体侧向分流能力定量评价方法——以渤海湾盆地饶阳凹陷留楚构造为例[J]. 石油与天然气地质, 2016, 37(6): 979-989. doi: 10.11743/ogg20160620 Wang Wei,Sun Tongwen,Cao Lanzhu,et al. An quantitative evaluation method of probability for diversion flow oil and gas laterally from faults to sand bodies: A case study from Leave Chu Structure in the Raoyang Sag,Bohai Bay Basin[J]. Oil & Gas Geology, 2016, 37(6): 979-989. doi: 10.11743/ogg20160620

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油气由断裂向砂体侧向分流能力定量评价方法——以渤海湾盆地饶阳凹陷留楚构造为例

An quantitative evaluation method of probability for diversion flow oil and gas laterally from faults to sand bodies: A case study from Leave Chu Structure in the Raoyang Sag,Bohai Bay Basin

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