[1]李 涛,赵爱彬,王 军,等.安塞油田长101储层成岩作用及岩相研究[J].复杂油气藏,2013,(04):5.
　Li Tao,Zhao Aibin,Wang Jun,et al.Study on the diagenesis and diagenetic facies of Chang 101reservoir in Ansai Oilfield[J].Complex Hydrocarbon Reservoirs,2013,(04):5.
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安塞油田长101储层成岩作用及岩相研究
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
期数:
2013年04期
页码:
5
栏目:
油气勘探
出版日期:
2013-12-25

文章信息/Info

Title:
Study on the diagenesis and diagenetic facies of Chang 101reservoir in Ansai Oilfield
作者:
李 涛1; 赵爱彬1; 王 军2; 杨 孝1
1.中国石油长庆油田分公司油藏评价处,陕西 西安 710018,2.中国石油长庆油田分公司第四采油厂,陕西 靖边 718500
Author(s):
Li Tao1; Zhao Aibin1; Wang Jun2; Yang Xiao1
1.Department of Reservoir Evaluation of Changqing Oilfield Company,Petrochina,Xi'an,Shanxi 710018; 2.The Fourth Oil Production Plant of Changqing Oilfield Company,PetroChina,Jingbian,Shanxi 718500
关键词:
成岩作用 岩相划分 长101储层 安塞油田
Keywords:
diagenesis;  diagenetic facies;  Chang101 reservoir;  Ansai Oilfield
分类号:
TE122.2
文献标志码:
A
摘要:
安塞油田G52井区长101储层属低孔、中低渗—低渗储层,孔喉以中、细喉为主,具有粒度较粗,成分成熟度低,结构成熟度较高的特点。运用铸体薄片、X衍射、电镜扫描、镜质体反射率测定及物性分析等资料,研究了其成岩作用特征,确定成岩阶段主要处于中成岩的A期中亚期-B期。依据成岩作用类型及储层物性特征,划分出7种成岩相,其中强溶蚀成岩相和溶蚀成岩相孔隙度高、渗透率好、含油性好,是研究区最有利的油气储集相带; 长石溶蚀—绿泥石膜胶结成岩相物性次之,含油性较差; 压实固结成岩相、粘土矿物胶结成岩相、致密胶结成岩相和胶结成岩相物性最差,不利于油气储集。
Abstract:
The Chang101 reservoir in Ansai Oilfield belongs to low porosity and middle-low permeability reservoir.The pore throats,which are mainly small-middle pore throats,were characterized by coarser granularity,lower compositional maturity,and higher textural maturity.Based on the data of casting slice,X ray diffraction,scanning electron microscope,vitrinite reflectance and physical property analysis,we studied the diagenetic characteristics of Chang101 reservoir,and determined that the diagenetic stage of the reservoir is mainly the subage period of the diagenetic stage A and the diagenetic stage B.According to diagenesis patterns and reservoir physical property characteristics,the reservoir was classified into seven kinds of diagenetic facies.Among them,the strong corrosion facies and corrosion facies having high porosity and permeability,and good oil-bearing property are the most beneficial reservoir facies,the feldspar corrosion-chlorite cementation facies with worse oil-bearing property come second,the compaction-consolidation facies,clay mineral cementation facies,dense cementation facies and cementation facies with the worst physical property,are unfavourable to the hydrocarbon accumulation.

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备注/Memo

备注/Memo:
收稿日期:2013-04-02; 改回日期:2013-07-03
作者简介:李涛(1977—),油田开发工程师,主要从事油藏评价方面的研究及管理工作。电话:029-86594941,E-mail:lit1_cq@petrochina.com.cn。
基金项目:中国石油天然气集团公司科技项目(2010E-13)
更新日期/Last Update: 2013-12-25