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延长气田姚家坡地区上古生界山2段储层成岩作用特征
引用本文:王亮,申延刚,黄杰,郭瑞华. 延长气田姚家坡地区上古生界山2段储层成岩作用特征[J]. 西安石油大学学报(自然科学版), 2012, 27(3): 25-28,5
作者姓名:王亮  申延刚  黄杰  郭瑞华
作者单位:1. 西安石油大学石油工程学院,陕西西安,710065
2. 陕西延长石油(集团)有限责任公司,陕西延安,716003
3. 长庆油田第三采油厂,内蒙古乌审旗,017300
基金项目:国家自然科学基金,西安石油大学青年科技创新基金
摘    要:为了探讨延长气田姚家坡地区上古生界山2段砂岩储层成岩作用特征与物性的关系,在岩心观测、X-射线衍射、铸体薄片及压汞分析的基础上,对储层的孔隙类型、孔隙结构等微观特征进行了深入分析.研究表明,储层属低孔低渗类型,以杂基溶孔、岩屑溶孔为主,主要岩石类型为石英砂岩.研究区砂岩储层所经历的成岩阶段处于晚成岩作用B期,主要的成岩作用包括机械压实和压溶作用、胶结作用和溶蚀溶解作用.

关 键 词:延长气田  姚家坡地区  山2段储层  上古生界  储层特征  成岩作用

Diagenesis characteristics of 2th member of Shanxi Formation of upper Paleozoic in Yaojiapo area,Yanchang Gasfield
WANG Liang,SHEN Yan-gang,HUANG Jie,GUO Rui-hua. Diagenesis characteristics of 2th member of Shanxi Formation of upper Paleozoic in Yaojiapo area,Yanchang Gasfield[J]. Journal of Xian Shiyou University, 2012, 27(3): 25-28,5
Authors:WANG Liang  SHEN Yan-gang  HUANG Jie  GUO Rui-hua
Affiliation:1.College of Petroleum Engineering,Xi’an Shiyou University,Xi’an 710065,Shaanxi,China;2.Shaanxi Yanchang Petroleum(Group) Co.Ltd.,Yan’an 717500,Shaanxi,China;3.No.3 Gas Production Plant,Changqing Oilfield Company,Wushenqi 017300,Neimenggu,China)
Abstract:In order to study on the relationship between diageneeis and physical property of 2th member of Shanxi Formation in the studied area,the microscope properties of the reservoir such as pore types,pore structure,etc.are discussed based on core observation,X-ray diffraction,casting thin sections and mercury intrusion data.It is shown that,the reservoir is low-porosity low-permeability reservoir,its main pore types are dissolved matrix pore and dissolved cuttings pore,and its main rock type is quartz sandstone.The diagenesis of the reservoir was the B stage of late diagenesis,and main diageneses include mechanical compaction,cementation and dissolution.
Keywords:Yanchang gas-field  Yaojiapo area  upper Paleozoic  Shan-2 member  reservoir characteristic  diagenesis
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