[1]黄洪春.煤层气井取煤心技术探讨[J].石油钻采工艺,1998,20(3):029-32.[doi:10.3969/j.issn.1000-7393.1998.03.006]
 Huang Hongchun.DISCUSS ON COAL CORING TECHNOLOGY FOR COAL-BED GAS WELLS[J].Oil Drilling & Production Technology,1998,20(3):029-32.[doi:10.3969/j.issn.1000-7393.1998.03.006]
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煤层气井取煤心技术探讨
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《石油钻采工艺》[ISSN:1000-7393/CN:13-1072/TE]

卷:
20卷
期数:
1998年3期
页码:
029-32
栏目:
论文
出版日期:
1998-06-20

文章信息/Info

Title:
DISCUSS ON COAL CORING TECHNOLOGY FOR COAL-BED GAS WELLS
作者:
黄洪春
总公司石油勘探开发科学研究院廊坊分院
Author(s):
Huang Hongchun
关键词:
煤成气试验绳索取心应用
Keywords:
coal-formed gastestingwireline coringapplication
DOI:
10.3969/j.issn.1000-7393.1998.03.006
摘要:
由于煤层具有特殊的物理、力学性质,以及煤层气井对煤心采样的特殊要求,致使常规石油钻井取心工具和工艺无法适应煤层气井的取煤心作业,取心收获率只有30%左右。为了解决常规取心工具取煤心困难、煤心质量差、收获率低的问题,引进了绳索式取心工具,经煤层气试验井的现场实践,出心速度快(15~20min)、收获率高(80%以上),基本满足了煤层气井取煤心要求。
Abstract:
Coal-bed has special physical and mechanical properties and coal-bed gas well has special requirements for coal coring. So conventional coring tool and technology can not meet the coring operation of coal-bed gas well and its core recovery is only about 30%.In order to solve the problems of difficult coring operation, bad quality of coal core and low core recovery, wire line coring tools were used. The field practice in coal-bed gas test wells showed that using wire line coring tool can get quick coring rate(15~20min) and high core recovery(more than 80%). The tool can basically meet the coring requirement of coal-bed gas well.

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备注/Memo

备注/Memo:
收稿日期:1997-11-12;改回日期:1998-02-23。
作者简介:黄洪春,1966年生。现在完井研究所工作,工程师。
更新日期/Last Update: 1900-01-01