鄯勒地区西山窑组成岩作用及储层评价

崔立伟, 汤达祯, 王炜, 贾自力, 许浩, 李松, 陈晓智

doi:10.11764/j.issn.1672-1926.2011.02.260

天然气地球科学 >

2011 , Vol. 22 >Issue 2: 260 - 266

DOI: https://doi.org/10.11764/j.issn.1672-1926.2011.02.260

天然气地质学

鄯勒地区西山窑组成岩作用及储层评价

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1．中国地质大学能源学院，北京 100083；2.吐哈油田分公司鄯善采油厂，新疆鄯善 838202

崔立伟(1984-)，男，吉林松原人，硕士研究生，从事油气成藏机理与机制，煤层气地质与开发研究.

收稿日期: 2010-06-27

修回日期: 2010-08-11

网络出版日期: 2011-04-10

基金资助

国家自然科学基金青年基金项目(编号:40802027)；国家重点基础研究发展计划(“973”)项目(编号:2009CB219604)联合资助.

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Diagenesis and Reservoir Evaluation of Xishanyao Formation in Shanle Area#br# 

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1.Energy School of China University of Geosciences,Beijing 100083,China;
2.Shanle Oil Production Company of Turpan Hami Oilfield Branch Company Ltd.,Shanle 838202,China.

Received date: 2010-06-27

Revised date: 2010-08-11

Online published: 2011-04-10

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摘要

通过岩心观察、薄片鉴定、扫描电镜分析、X-射线衍射分析等手段，对鄯勒地区西山窑组碎屑岩储层的成岩作用进行了研究。西山窑组成岩阶段可分为早成岩B期和中成岩A期，中成岩A期又分为中成岩A₁亚期和A₂亚期，识别出压实作用、胶结作用、交代作用和溶解作用等4种成岩作用；强烈的压实作用和胶结作用是造成储层原生孔隙减少的主要原因,溶解作用形成的次生溶孔则有效地改善了储层的物性。综合储层沉积、成岩作用，可将西山窑组碎屑岩储层划分为3种类型，其中，Ⅰ类储层为低孔特低渗型，Ⅱ类储层和Ⅲ类储层为特低孔特低渗型。

关键词： 鄯勒地区; 碎屑岩储层; 成岩作用; 储层评价

本文引用格式

崔立伟, 汤达祯, 王炜, 贾自力, 许浩, 李松, 陈晓智 . 鄯勒地区西山窑组成岩作用及储层评价[J]. 天然气地球科学, 2011 , 22(2) : 260 -266 . DOI: 10.11764/j.issn.1672-1926.2011.02.260

Abstract

Here we studied the diagenesis characteristics and pore evolution of clastic reservoirs in the Xishanyao Formation of Shanle area by methods of core observation，slices arbitration，scanning electron microscopy and X-diffraction analysis. The diagenetic phases of the Xishanyao Formation included early diagenetic B stage and middle diagenetic A stage which was divided into A₁stage and A₂ stage. The diagenesis can be divided into four types,including compaction,cementation,replacement and solution. The intense compaction and cementation were main reasons causing decrease in primary porosity，and the solution improved the reservoir physical properties effectively by developing the secondary porosity. Comprehensively considering the sedimentary and diagenesis on clastic reservoirs，the clastic reservoirs were divided into three categories，of which type Ⅰ was low porosity and the lowest permeability reservoir，and type Ⅱ and Ⅲ were the lowest porosity and permeability reservoir.

Key words： Shanle area; Clastic reservoir; Diagenesis; Reservoir evaluation.

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