渤海X油田疏松砂岩密闭取心常见问题及应对措施
A brief analysis of the common problems and solutions of sealed coring technology of loose sandstone in the X oil field in Bohai Sea,China
杨洋 1罗鹏 1苑仁国 1王建立 2冯恩龙 1姚一冰1
作者信息
- 1. 中海油能源发展股份有限公司工程技术分公司 天津 300452
- 2. 中海石油(中国)有限公司天津分公司 天津 300459
- 折叠
摘要
密闭取心是直接跟踪对比水淹过程中储层岩性、物性、含油性变化的重要技术手段,是油田水淹层评价的最有效方法,取全取准密闭取心资料是后期科学准确研究的前提和关键.针对渤海X油田疏松砂岩密闭取心作业中常出现的问题,从卡准取心层位、提高岩心收获率和密闭率等方面分析并提出相关举措,在F井连续密闭取心作业中成功应用,达到了卡准目标砂体,岩心收获率100%、密闭率100%的目标.
Abstract
The sealed coring is an important technical means to directly record and compare the changes of reservoir lithology,physical properties and oil content during flooding,and it is the most effective method to evaluate waterflooded layers in oil field,obtaining complete and true sealed core data is a prerequisite and key for scientific and accurate research in the later stage.This article analyzes and proposes relevant measures to the common problems in the sealed coring operation of loose sandstone in the X oil field in Bohai Sea,including accurate coring layer determination,improving core recovery rate and sealing rate.It has been successfully applied in the sealed coring operation of well F in the X oil field,achieving the goal of accurate target layer,achieving 100%core recovery rate,and 100%sealing rate.
关键词
密闭取心/取心卡层/收获率/密闭率Key words
sealed coring/coring layer determination/core recovery/sealing rate引用本文复制引用
出版年
2024
NETL
NSTL
万方数据