[1]程 伟.煤层气井排采制度及配套工艺技术[J].复杂油气藏,2014,(01):69.
　Cheng Wei.Drainage-production system and matching engineering technology for coalbed methane wells[J].Complex Hydrocarbon Reservoirs,2014,(01):69.
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煤层气井排采制度及配套工艺技术
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
期数:
2014年01期
页码:
69
栏目:
油气工程
出版日期:
2014-03-25

文章信息/Info

Title:
Drainage-production system and matching engineering technology for coalbed methane wells
作者:
程 伟
中国石化华东分公司石油勘探开发研究院,江苏 扬州 225007
Author(s):
Cheng Wei
Petroleum E&P Research Institute of East China Company,SINOPEC,Yangzhou,Jiangsu 225007
关键词:
延川南 煤层气 排采制度 工艺技术
Keywords:
southern of Yanchuan;  coalbed methane;  drainage and production system;  technology
分类号:
TE323
摘要:
根据延川南煤层气试验区煤层气井排采过程中,因排液速度不合理和排采工艺不完善,造成煤层气排采井生产周期短、产气量低、资料录取不准确的现状,通过试验区45口井排采工作的摸索和试验,探索了“五段制”的工作制度和合理的套压范围,形成了防砂防气锁的斜井泵排采技术、电子压力计地面直读监测技术、捞砂泵捞砂技术,结果表明“五段制”的排采制度保证了延川南试验区煤层气排采井产气量稳步上升,日产气量超过16 000 m3,生产周期由224 d延长至353 d。
Abstract:
During the drainage-production of coalbed methane(CBM)in southern of Yanchuan,because of the unreasonable drainage speed and imperfect techniques for the drainage-production,the drainage wells have many problems such as short production cycle,low gas production,and inaccurate information acquisition.Based on the experiences from 45 wells in the test area,it was carried out studies on the “five sections”work system and a reasonable range of casing pressure.As a result,the matching technologies were formed,which include the drainage-production technology by deviated well pump with anti-sand and anti-airlock,the ground direct-reading monitoring technology by electronic-manometer,and the bailing technology by bailing sand pump.The results showed that the “five sections”work system can ensure the gas production rate of CBM wells rising steadily,with a daily gas production rate of over 16 000 m3/d.The matching technology can prolong the production cycle from 224 days to 353 days.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2013-03-05; 改回日期:2013-04-07
作者简介:程伟(1982—),工程师,现主要从事非常规实验研究工作。电话:15195561793,E-mail:cw20022005@163.com。
更新日期/Last Update: 2014-03-25