IMECH-IR  > 流固耦合系统力学重点实验室
Alternative TitleStudy on capillary pressure measuring technology of coal bed methane well
刘永茜; 刘曰武; 苏中良; 欧阳伟平; 万义钊
Source Publication煤炭科学技术
Other AbstractThe paper introduced the basic principle and technical status of the capillary measurement and the key problems of the coal bed methane well capillary pressure measuring, analyzed the problems possibly occurred in the coal bed methane well measurement and solutions and discussed the development orientation to improve the capillary measuring technology of the coal bed methane well. According to the coal bed methane well, a circular space moving type and a concentric fixed type pressure transmission cylinders and the pressure measuring system were designed. A pressure measuring plan was provided to fundamentally solve the difficult problems of the flowing pressure variation measurement in the coal bed methane well. The pressure measuring system could have a comprehensive accuracy up to 0.06% under the 2 m water column pressure, which was obviously improved than the pressure measuring accuracies of other technologies.
Keyword煤层气井 渗流 毛细管 测压技术 传压筒 流压变化
Subject Area渗流
Document Type期刊论文
Corresponding Author刘曰武
Recommended Citation
GB/T 7714
刘永茜,刘曰武,苏中良,等. 煤层气井毛细管测压技术研究[J]. 煤炭科学技术,2012,40(10):30-33.
APA 刘永茜,刘曰武,苏中良,欧阳伟平,&万义钊.(2012).煤层气井毛细管测压技术研究.煤炭科学技术,40(10),30-33.
MLA 刘永茜,et al."煤层气井毛细管测压技术研究".煤炭科学技术 40.10(2012):30-33.
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