CN201232535Y - 一种偏心井口双滑轮防喷封井器 - Google Patents
一种偏心井口双滑轮防喷封井器 Download PDFInfo
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- CN201232535Y CN201232535Y CNU2008200145655U CN200820014565U CN201232535Y CN 201232535 Y CN201232535 Y CN 201232535Y CN U2008200145655 U CNU2008200145655 U CN U2008200145655U CN 200820014565 U CN200820014565 U CN 200820014565U CN 201232535 Y CN201232535 Y CN 201232535Y
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CNU2008200145655U CN201232535Y (zh) | 2008-08-01 | 2008-08-01 | 一种偏心井口双滑轮防喷封井器 |
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CNU2008200145655U CN201232535Y (zh) | 2008-08-01 | 2008-08-01 | 一种偏心井口双滑轮防喷封井器 |
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CN201232535Y true CN201232535Y (zh) | 2009-05-06 |
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CNU2008200145655U Expired - Lifetime CN201232535Y (zh) | 2008-08-01 | 2008-08-01 | 一种偏心井口双滑轮防喷封井器 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105863548A (zh) * | 2016-05-16 | 2016-08-17 | 徐秀 | 一种测井仪器井口防喷器 |
CN105927180A (zh) * | 2016-05-16 | 2016-09-07 | 徐秀 | 一种井口防喷装置用防喷器 |
CN108119088A (zh) * | 2017-12-04 | 2018-06-05 | 中国石油天然气股份有限公司 | 螺杆泵新型组合式偏心井口 |
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2008
- 2008-08-01 CN CNU2008200145655U patent/CN201232535Y/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105863548A (zh) * | 2016-05-16 | 2016-08-17 | 徐秀 | 一种测井仪器井口防喷器 |
CN105927180A (zh) * | 2016-05-16 | 2016-09-07 | 徐秀 | 一种井口防喷装置用防喷器 |
CN108119088A (zh) * | 2017-12-04 | 2018-06-05 | 中国石油天然气股份有限公司 | 螺杆泵新型组合式偏心井口 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Panjin Ruida Petroleum Technology Co., Ltd. Assignor: Ma Donglan Contract fulfillment period: 2008.11.20 to 2014.11.19 Contract record no.: 2009210000022 Denomination of utility model: Eccentric wellhead double pulley blowout prevention blowout preventer Granted publication date: 20090506 License type: Exclusive license Record date: 20090319 |
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LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.20 TO 2014.11.19; CHANGE OF CONTRACT Name of requester: PANJIN RUIDA PETROLEUM TECHNOLOGY CO., LTD. Effective date: 20090319 |
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EM01 | Change of recordation of patent licensing contract |
Change date: 20110318 Contract record no.: 2009210000022 Assignee after: Liaoning Ruida Petroleum Technology Co., Ltd. Assignee before: Panjin Ruida Petroleum Technology Co., Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20170818 Address after: 124013 Liaoning city in Panjin Province Economic Development Zone Industrial Park in North North Central Liaoning Qisheng Petroleum Technology Co Ltd Patentee after: Liaoning miracle Petroleum Technology Co., Ltd. Address before: 124013 Liaoning Panjin Economic Development Zone prosper Industrial Zone Ruida Petroleum Technology Co., Ltd. Patentee before: Ma Donglan |
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TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20090506 |
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CX01 | Expiry of patent term |