CN104895521A - 煤层气井带压作业装备 - Google Patents
煤层气井带压作业装备 Download PDFInfo
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- CN104895521A CN104895521A CN201510243466.9A CN201510243466A CN104895521A CN 104895521 A CN104895521 A CN 104895521A CN 201510243466 A CN201510243466 A CN 201510243466A CN 104895521 A CN104895521 A CN 104895521A
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- Prior art keywords
- bed gas
- control device
- gas well
- coal bed
- well
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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CN201510243466.9A CN104895521B (zh) | 2015-05-13 | 2015-05-13 | 煤层气井带压作业装备 |
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CN201510243466.9A CN104895521B (zh) | 2015-05-13 | 2015-05-13 | 煤层气井带压作业装备 |
Publications (2)
Publication Number | Publication Date |
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CN104895521A true CN104895521A (zh) | 2015-09-09 |
CN104895521B CN104895521B (zh) | 2016-04-27 |
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CN201510243466.9A Expired - Fee Related CN104895521B (zh) | 2015-05-13 | 2015-05-13 | 煤层气井带压作业装备 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105822248A (zh) * | 2016-03-22 | 2016-08-03 | 孟庆拥 | 一种带压修井方法 |
CN112313391A (zh) * | 2017-10-11 | 2021-02-02 | 巴西石油公司 | 运输和安装用于陆上钻机的防喷器组的装置、系统和方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3207221A (en) * | 1963-03-21 | 1965-09-21 | Brown Oil Tools | Automatic blow-out preventor means |
US3658287A (en) * | 1970-12-04 | 1972-04-25 | Hydril Co | Swinging blowout preventer head with fluid connector |
CN2551765Y (zh) * | 2002-06-14 | 2003-05-21 | 河北华北石油荣盛机械制造有限公司 | 一种注水井带压作业装置 |
CN1730899A (zh) * | 2005-08-02 | 2006-02-08 | 辽河石油勘探局 | 油水井带压作业装置 |
CN201786313U (zh) * | 2010-09-06 | 2011-04-06 | 中国石油天然气集团公司 | 一种油管防喷盒 |
CN201982035U (zh) * | 2011-03-16 | 2011-09-21 | 河北华北石油荣盛机械制造有限公司 | 独立式高压油水气井不压井作业装置 |
-
2015
- 2015-05-13 CN CN201510243466.9A patent/CN104895521B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3207221A (en) * | 1963-03-21 | 1965-09-21 | Brown Oil Tools | Automatic blow-out preventor means |
US3658287A (en) * | 1970-12-04 | 1972-04-25 | Hydril Co | Swinging blowout preventer head with fluid connector |
CN2551765Y (zh) * | 2002-06-14 | 2003-05-21 | 河北华北石油荣盛机械制造有限公司 | 一种注水井带压作业装置 |
CN1730899A (zh) * | 2005-08-02 | 2006-02-08 | 辽河石油勘探局 | 油水井带压作业装置 |
CN201786313U (zh) * | 2010-09-06 | 2011-04-06 | 中国石油天然气集团公司 | 一种油管防喷盒 |
CN201982035U (zh) * | 2011-03-16 | 2011-09-21 | 河北华北石油荣盛机械制造有限公司 | 独立式高压油水气井不压井作业装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105822248A (zh) * | 2016-03-22 | 2016-08-03 | 孟庆拥 | 一种带压修井方法 |
CN105822248B (zh) * | 2016-03-22 | 2018-05-11 | 孟庆拥 | 一种带压修井方法 |
CN112313391A (zh) * | 2017-10-11 | 2021-02-02 | 巴西石油公司 | 运输和安装用于陆上钻机的防喷器组的装置、系统和方法 |
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Publication number | Publication date |
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CN104895521B (zh) | 2016-04-27 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: 22708, room 2, unit 1, Yang Yang International, No. 132, rosefinch Avenue, Yanta District, Shaanxi, Xi'an 710065, China Patentee after: Shaanxi Furuide Energy Technology Co Ltd Address before: Yanta District in Shaanxi province Xi'an City Road 710061, No. 11 and one two one Residence Internazionale 1 unit 1 building 4 layer 10411. Patentee before: Shaanxi Fu Ruide Petroleum Technology Co., Ltd |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Coal-bed gas well under-pressure operation device Effective date of registration: 20170627 Granted publication date: 20160427 Pledgee: Xi'an innovation financing Company limited by guarantee Pledgor: Shaanxi Furuide Energy Technology Co Ltd Registration number: 2017990000542 |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20180513 |