| 浅谈煤层气井固井技术 |
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| 引用本文： | 齐奉中.浅谈煤层气井固井技术[J].钻采工艺,2000,23(1):14-16. |
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| 作者姓名： | 齐奉中 |
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| 作者单位： | 石油勘探开发科学研究院廊坊分院完井所,河北,廊坊,万庄,065007 |
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| 摘 要： | 煤层气是储集于煤层孔隙中的天然气。煤层与一般的油气层相比，埋藏浅，微孔隙和裂缝发育。煤层的机械强度和孔隙度低，易坍塌、易污染。文中根据煤层气井的特点，介绍了一般油气井固井与煤层气井固井的区别，总结了国内目前煤层气井固井技术现状及存在的问题，提出了几个在以后煤层气井固井中应研究解决的问题。
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| 关 键 词： | 煤层气 固井技术 双级固井 堵塞顶替 低密度水泥 |
| 修稿时间： | 1999-04-29 |
Cementing technology for coalbed gas wells |
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| QI Feng-zhong.Cementing technology for coalbed gas wells[J].Drilling & Production Technology,2000,23(1):14-16. |
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| Authors: | QI Feng-zhong |
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| Abstract: | The
coal bed has a low buried depth,developed micropore and fracture,low mechanical strength
and porosity in comparison with the normal oil and gas formation,so it is easy to collapse
and easy to be polluted.This paper introduces the characteristic of coalbed gas well and
difference of the cementing technology between oil and gas well and coalbed gas
well,summarizes coalbed gas well cementing technology and presents the existent problems
in cementing at present.Suggestions are given about improving coalbed gas well cementing
quality. |
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| Keywords: | coalbed gas cementing technique two-stage cementing plug displacement low-density cement |
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