利用测井信息得到的气油比识别凝析气藏

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摘要凝析气在储层条件下的物理性质介于油与干气之间,测井识别难度大。本文利用最优化原理分别计算出储层条件下凝析油和凝析气的含量,再由此计算地面生产气油比。通过 6口井 13个层位的试油检验证明,由测井信息计算的气油比可较为准确地识别凝析气藏。

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关键词 ：测井, 气油比, 凝析气藏, 油藏类型

Abstract：Condansate gas has physical characters between oil and dry gas,which is difficult to distinguish them by well logging data. Using optimiza tion sace principle to calculate the contents of condenoil and condendate gas separately in an tion of reservoir,the ratio nn surface from paper calculated the condi-gas-oil above results. It is proved by production test in 13 layers from f wells that the gas-oil ratio calculated from well logging information can more correctly identiFy condensate gas reservoir.

Key words： well log gas-oil ratio condensate gas reservoir reservom pattern

收稿日期: 2002-11-11

基金资助:

中国石油天然气集团公司“九五”科技攻关项目 ( 970 60 3 )部分成果

引用本文:

高楚桥, 章成广, 肖承文, 宋帆. 利用测井信息得到的气油比识别凝析气藏[J]. 石油地球物理勘探, 2003, 38(3): 290-293. Gao Chuqiao, Zhang Chengguang, Xiao Chengwen, Song Fan. Identifying condensate gas-oil ratio from well logging. OGP, 2003, 38(3): 290-293.

链接本文:

http://www.ogp-cn.com/CN/ 或 http://www.ogp-cn.com/CN/Y2003/V38/I3/290