乌石凹陷东区走向斜坡控砂模式与勘探实践

doi:10.11885/j.issn.1674-5086.2016.03.21.02

西南石油大学学报(自然科学版) ›› 2017, Vol. 39 ›› Issue (3): 77-84.DOI: 10.11885/j.issn.1674-5086.2016.03.21.02

乌石凹陷东区走向斜坡控砂模式与勘探实践

徐雪丰, 胡林, 满勇, 薛红涛, 李安琪

中海石油(中国)有限公司湛江分公司, 广东湛江 524057

收稿日期:2016-03-21 出版日期:2017-06-01 发布日期:2017-06-01
通讯作者: 徐雪丰,E-mail:xuxf3@cnooc.com
作者简介:徐雪丰,1984年生,男,满族,河北承德人,工程师,主要从事油气勘探地质综合研究方面的工作。E-mail:xuxf3@cnooc.com;胡林,1980年生,男,汉族,江苏徐州人,工程师,主要从事地震资料解释和油气勘探综合研究工作。E-mail:hulin2@cnooc.com;满勇,1990年生,男,汉族,湖北鄂州人,助理工程师,主要从事油气勘探地质综合研究方面的工作。E-mail:manyong@cnooc.com.cn;薛红涛,1986年生,男,汉族,河南濮阳人,工程师,主要从事油气勘探地球物理方面的研究工作。E-mail:xueht@cnooc.com.cn;李安琪,1986年生,男,汉族,山东泰安人,工程师,主要从事油气勘探地质综合研究方面的工作。E-mail:lianqi@cnooc.com.cn
基金资助:
国家科技重大专项（2016ZX05024-006）

Sand Control Model and Exploration Practice for East Wushi Sag Strike Slope

XU Xuefeng, HU Lin, MAN Yong, XUE Hongtao, LI Anqi

Zhanjiang Branch of CNOOC Co. Ltd., Zhanjiang, Guangdong 524057

Received:2016-03-21 Online:2017-06-01 Published:2017-06-01

摘要/Abstract

摘要： 针对乌石凹陷陆相断陷湖盆物源体系复杂、相变快，难以寻找、预测优质储层分布这一亟待解决的关键问题，开展了断裂演化期次、断层剖面平面活动差异性及沉积体系精细研究。采用海上陆相复杂断块断层精细识别解释、微地貌恢复及相控储层预测等关键技术，获得了研究区内3条北东向控沉积断裂差异性活动形成的走向斜坡具有控制砂体优势展布的重要认识，提出了源汇时空耦合的控砂模式，预测了F₂断层下降盘发育优质储层。在此研究成果的指导下，新钻井获得重大发现，极大地推动了乌石油田群的勘探开发进程。

关键词: 乌石凹陷, 走向斜坡, 源汇时空耦合, 优质储层, 重大发现

Abstract: Considering the key problems of complex sediment provenance, rapid facies variation and difficulties in locating and predicting high-quality reservoirs in the Wushi Sag continental rift basin, we have carried out a detailed analysis on the fault evolution stage, plane activity variability along the fault cross-section, and sedimentation system. Using key techniques, such as fine identification and description of marine continental complex fault block/fault, micro landform restoration, and faciescontrolled reservoir prediction, we arrived to the conclusion that the dominant sand-body distribution could be determined from the strike slope formed by differential activity of three NE-direction sedimentary faults. We have also proposed a source-sink time-space coupling model for sand control, and predicted the development of a high-quality reservoir on the downthrown side of the F₂ fault. Guided by these results, a new drilling was initiated, which led to the discovery of a major oil reservoir. This has greatly promoted the exploration and development of the Wushi Oilfield.

Key words: Wushi Sag, strike slope, source-sink time-space coupling, high quality reservoir, major discoveries

中图分类号:

TE122.2

徐雪丰, 胡林, 满勇, 薛红涛, 李安琪. 乌石凹陷东区走向斜坡控砂模式与勘探实践[J]. 西南石油大学学报(自然科学版), 2017, 39(3): 77-84.

XU Xuefeng, HU Lin, MAN Yong, XUE Hongtao, LI Anqi. Sand Control Model and Exploration Practice for East Wushi Sag Strike Slope[J]. 西南石油大学学报(自然科学版), 2017, 39(3): 77-84.

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乌石凹陷东区走向斜坡控砂模式与勘探实践

Sand Control Model and Exploration Practice for East Wushi Sag Strike Slope

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