Feasibility analysis of reservoir prediction in Sulige Gasfield

  • WANG Lei ,
  • LIU Guotao ,
  • LONG Tao ,
  • MA Chi
Expand
  • Research Institute of Petroleum Exploration & Development-Northwest, PetroChina, Lanzhou 730020, China

Online published: 2009-06-16

Abstract

The study area is located in Sulige Gasfield. The reservoir gas-bearing sand is close to shale in density, Pwave velocity and impedance. So, it is difficult to divide gas-bearing sand from shale using conventional reservoir prediction methods. Based on well logging data, combined with rock physics analysis, elastic impedance analysis and AVO analysis, the studies on reservoir prediction and fluid identification in Sulige Gasfield are carried out. The results show that the elastic physical parameters can be used to distinguish sand from shale and determine the gas-bearing sensitive parameter. Elastic impedance of different angles can be used not only to divide sand from shale, but also to distinguish gas-bearing formation fromnon-gas-bearing formation. AVOattributes can be used to determine whether He 8 member is gas-bearing sandstone, but can not be used to predict whether it is commercial gas. These studies provide foundation for reservoir prediction and fluid identification.

Cite this article

WANG Lei , LIU Guotao , LONG Tao , MA Chi . Feasibility analysis of reservoir prediction in Sulige Gasfield[J]. Lithologic Reservoirs, 2009 , 21(2) : 94 -98 . DOI: 10.3969/j.issn.1673-8926.2009.02.019

References

[1] 邹新宁,孙卫.盒8 地层岩石物理参数及地震响应模型研究[J].中国石油大学学报(自然科学版),2006,30(2):21-25.
[2] 刘锐娥,孙粉锦,拜文华,等.苏里格庙盒8 气层次生孔隙成因及孔隙演化模式探讨[J].石油勘探与开发,2002,29(4):47-49.
[3] 黄中玉.基于岩石物理模型和谱分解的储层描述技术[J].勘探地球物理进展,2006,29(1):62-71.
[4] 马中高,周巍,孙成龙.地震岩石物理分析软件系统设计和实现[J].物探与化探,2006,30(3):260-265.
[5] 王元君,冉建斌,肖伟.基于测井资料岩石物理模拟的储层识别法[J].石油地球物理勘探,2006,41(6):644-650.
[6] 徐伯勋,白旭滨,于常青.地震勘探信息技术提取、分析和预测[M].北京: 地质出版社,2001.
[7] 王卫红,姜在兴,潘仁芳.AVO 交会分析及其应用[J].西安石油学院学报,2003,18(2):5-8.
[8] 黄云峰,杨占龙,郭精义,等.地震属性分析及其在岩性油气藏勘探中的应用[J].天然气地球科学, 2006,17(5):739-742.
[9] 张盟勃,史松群,潘玉.叠前反演技术在苏里格地区的应用[J].岩性油气藏,2007,19(4):91-94.
[10] 王大兴,于波,张盟勃,等.地震叠前分析技术在子洲气田的研究与应用[J].岩性油气藏,2008,20(1):95-100.
[11] 马中高,管路平,贺振华,等.利用模型正演优选地震属性进行储层预测[J].石油学报,2003,24(6):35-39.
[12] Connolly P. Elastic impedance[J]. The Leading Edge,1999,18(4):438-452.
[13] Gassmann F. Elastic waves through a packing of spheres [J].Geophysics,1951,(16):673-685.
[14] Castagna J P,Swan H W,Foster D J. Framework for AVO gradient and intercept interpretation[J]. Geophysics,1998,(63):948-956.
Outlines

/