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塔里木盆地北缘碳酸盐岩野外构造裂缝发育规律研究

张鹏 侯贵廷 潘文庆 齐英敏 张庆莲 孟庆峰 鞠玮

高校地质学报Issue(4):580-587,8.
高校地质学报Issue(4):580-587,8.

塔里木盆地北缘碳酸盐岩野外构造裂缝发育规律研究

Research on the Carbonate Rocks Fractures in the Northern Margin of Tarim Basin

张鹏 1侯贵廷 1潘文庆 2齐英敏 2张庆莲 1孟庆峰 1鞠玮1

作者信息

  • 1. 北京大学 造山带与地壳演化教育部重点实验室,北京大学 地球与空间科学学院,北京 100871
  • 2. 塔里木油田勘探开发研究院,库尔勒 841000
  • 折叠

摘要

Abstract

More and more attentions have been paid to marine carbonate oil and gas exploration. Although carbonate rocks are normally dense, a variety of geological processes can make the carbonate rocks to become good oil and gas reservoirs. By analyzing fracture features of the carbonate rocks in the northern margin of Tarim Basin, we pointed out that lithology, stratum thickness, weathering crust, fluid transformation, and tectonics played an important role in fracture development. Coarse crystal dolomites are prone to developing more fractures than do fine crystal dolomite;More fractures are produced in thinner strata than thicker ones;More fractures are formed at the top of the weathering crust than at its bottom;The presence of fluid is conductive to fracture development while the effectiveness of the fracture development is reduced after the fracture is being filled;The greater curvature of the folds, the more fractures;Also, more fractures will occur near the fault and decrease exponentially with distance away from the fault.

关键词

碳酸盐岩/岩性/层厚/流体/风化壳/褶皱

Key words

carbonate rock/lithology/stratum thickness/weathering crust/fluid transformation/fold

分类

天文与地球科学

引用本文复制引用

张鹏,侯贵廷,潘文庆,齐英敏,张庆莲,孟庆峰,鞠玮..塔里木盆地北缘碳酸盐岩野外构造裂缝发育规律研究[J].高校地质学报,2013,(4):580-587,8.

基金项目

国家重大专项“海外重点裂谷盆地油气成藏规律及目标优选”(2008ZX05029-001);塔里木油田项目《塔里木盆地震旦-寒武系白云岩优质储层发育展布规律与有利勘探区带选择》联合资助 ()

高校地质学报

OA北大核心CSCDCSTPCD

1006-7493

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