测井技术2009，Vol.33Issue(3)：289-292,4.
天然气井水泥环封隔能力的测井评价
Sheath Isolation Evaluation in Gas Wells
魏涛 1雷军 2李道德 2崔兰德 2黄微 1陈海峰1
作者信息
- 1. 中海油田服务股份有限公司,北京,101149
- 2. 塔里木油田西气东输事业部,新疆,库尔勒,841000
- 折叠
摘要
Abstract
. It is difficult in oilfield exploration and development to evaluate sheath isolation be-tween gas intervals and wellhead pressure conditions in gas wells. Analyzed are cement bond log data, gas invasion data, historic drilling data and wellhead pressure data. Discussed are the anal-ysis method for the sheath isolation between gas intervals in gas field by using CBL, SBT and USI logging examples. Provided are methods to evaluate wellhead pressure in gas well with the length of good cement intervals , the length of mud-slurry transition intervals and the combina-tion of the above two methods. The above research shows that the log evaluation of the sheath i-solation between gas intervals is similar to the conventional cement bond evaluation of oil or water intervals. The length of good cement intervals and the length of mud-slurry transition intervals derived from log data can be used to evaluate the wellhead pressure conditions. These methods have been successfully used in some gas fields in China.关键词
测井评价/固井质量测井/水泥环封隔/井口带压/气侵/气井Key words
, log evaluation, cement bond logging, sheath isolation, wellhead pressure condition,gas invasion, gas well分类
天文与地球科学引用本文复制引用
魏涛,雷军,李道德,崔兰德,黄微,陈海峰..天然气井水泥环封隔能力的测井评价[J].测井技术,2009,33(3):289-292,4.
