裸眼钻孔煤层气压力测试影响因素分析
라안찬공매층기압력측시영향인소분석
Analysis on Influencing Factors of Openhole Drilling Coalbed Methane Pressure Test
  • 万方数据
    资源导刊·地球科技版 자원도간·지구과기판
    RESOURCES GUIDE·EARTH SCIENCE AND TECHNOLOGY
    2014年 7期 41-42 ,共2页

    张晗%陈顶峰

    장함%진정봉

    DST 测试%封隔器%钻井液 DST 測試%封隔器%鑽井液
    DST 측시%봉격기%찬정액
    DST test%Packer%Drilling fluid
    为了提高 DST 测试在煤层钻孔中测试的成功率，通过对测试过程中各种影响因素的分析，把测试失败的压力曲线与标准曲线进行了对比，指出测试过程中的注意事项。实践表明，降低这些影响因素发生，将会大大提高测试效果。
    위료제고 DST 측시재매층찬공중측시적성공솔，통과대측시과정중각충영향인소적분석，파측시실패적압력곡선여표준곡선진행료대비，지출측시과정중적주의사항。실천표명，강저저사영향인소발생，장회대대제고측시효과。
    In order to improve success rate of DST test in the coal seam drilling, this paper analyzes various influencing factors in the test, compares the pressure curve of failure test with the standard curve, and presents some matters needing attention in the test. The practice shows reducing these influence factors will greatly improve the test results.
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