新疆石油地质

›› 2013, Vol. 34 ›› Issue (6): 1-1.

• 论文 •    

苏里格气田苏5区块储集层特征及有利勘探区域

杜 洋1，2，欧阳诚1，胡 杨1，辛 军1，黄文明1，王海峰1，彭 宇1，冯 雪1   

  1. (1.中国石油集团 川庆钻探工程公司 地质勘探开发研究院,成都 610500;2.西南石油大学,成都 610000)
  • 出版日期:2019-01-01 发布日期:1905-07-14

The Reservoir Characteristics and the Favorable Prospecting Target in Su5 Block in Sulige Gas Field

DU Yang1,2, OUYANG Cheng1, HU Yang1, XIN Jun1, HUANG Wenming1, WANG Haifeng1, PENG Yu1, FENG Xue1   

  1. (1.Geology and Exploration Research Institute of CCDC, CNPC, Chengdu, Sichuan 610500, China; 2.Southwest Petroleum University,Chengdu, Sichuan 610000, China)
  • Online:2019-01-01 Published:1905-07-14

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摘要： 苏5区块位于苏里格气田中部，研究区内产水现象普遍，气水关系复杂，利用已有地质资料和生产动态资料，进行了储集层特征及有利勘探区分布研究。结果表明，研究区储集层岩性主要为岩屑石英砂岩，整体孔隙度差异不大；孔喉结构差异决定储集层渗透率，进而影响储集层含气性；成岩过程中溶蚀作用所形成的次生孔隙及破裂作用所形成的粒间微裂缝是影响孔喉结构的主要因素；下部生烃层在成岩过程中产生的有机酸性液体进入上部储集层，是发生溶蚀作用的主要原因；盒8段集中发育优质储集层，是研究区有利勘探目标。

Abstract: The Su?5 block is located at the central part of the Sulige gasfield and characterized by high water cut and complicated gas?water relationship. Based on the existing geological and production performance data, this paper presents the correlation of reservoir features and studies the favorable prospecting area distribution. The results show that the lithology of reservoir is dominated by debris quartz sandstone with coarse grain and less difference of porosity; the difference of pore?throat texture determines the size of reservoir permeability, and influences the oil?bearing property of the reservoir; the main factors influencing the pore?throat texture are the secondary pores formed by dissolution in diagenesis and the intergranular micro?fissures formed by rupturing; the organic acidic liquid generated by diagenesis of the lower source rocks into the upper reservoir is the main reason for the dissolution; the high quality reservoir mainly distributed in He?8 member,could be the favorable target for ol?gas exploration in this area

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