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影响煤层渗透率测试的若干因素
引用本文:吴频, 解光新. 影响煤层渗透率测试的若干因素[J]. 煤田地质与勘探, 1997, 25(6): 23-25.
作者姓名:吴频 解光新
作者单位:煤炭科学研究总院西安分院 710054
摘    要:通过对中国8个矿区10口煤层气评价井的试井工作,讨论了影响煤层渗透率测试的若干因素,认为钻井作业对煤层的伤害、煤体结构及较高的有效地应力是主要影响因素;而煤的变质程度虽然对煤的割理发育起控制作用,但不是煤层渗透率测试的主要影响因素。

关 键 词:煤层  渗透率  测试  影响因素  钻井
收稿时间:1996-09-04

SOME FACTORS INFLUENCING THE PERMEABILITY MEASUREMENT IN COAL SEAMS
Wu Pin, Jie Guangxin. SOME FACTORS INFLUENCING THE PERMEABILITY MEASUREMENT IN COAL SEAMS[J]. COAL GEOLOGY & EXPLORATION, 1997, 25(6): 23-25.
Authors:Wu Pin  Jie Guangxin
Affiliation:Xi'an Branch of China Coal Research Institute
Abstract:Acoding to the well tests of 10 evaluation wells of coalbed methane in 8 mining distrcts in china,some factors influencing the permeability measurement in coal seams are discussed,it is considered that the harm of drilling operation to the coal seam,the texture of coal matrix and the higher effective terrestrial stress are the main influence factors;while the metamorphic degree of coal is not the main factor influencing the permeability measurement in coal seam,although it controls the cleat development in coal. 
Keywords:coal seam  permeability  measurement  influence factor  drilling
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