CN203097755U - 液压双向控制卡瓦 - Google Patents
液压双向控制卡瓦 Download PDFInfo
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- CN203097755U CN203097755U CN 201220182090 CN201220182090U CN203097755U CN 203097755 U CN203097755 U CN 203097755U CN 201220182090 CN201220182090 CN 201220182090 CN 201220182090 U CN201220182090 U CN 201220182090U CN 203097755 U CN203097755 U CN 203097755U
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CN 201220182090 CN203097755U (zh) | 2012-04-26 | 2012-04-26 | 液压双向控制卡瓦 |
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CN 201220182090 CN203097755U (zh) | 2012-04-26 | 2012-04-26 | 液压双向控制卡瓦 |
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CN203097755U true CN203097755U (zh) | 2013-07-31 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104405305A (zh) * | 2014-12-01 | 2015-03-11 | 无锡市钻通工程机械有限公司 | 非开挖推管机用卡瓦机构 |
CN105350930A (zh) * | 2015-11-30 | 2016-02-24 | 韩咏利 | 一种液压旋转式钻井或修井管柱双向锁紧器 |
CN106338438A (zh) * | 2016-09-29 | 2017-01-18 | 西南石油大学 | 一种管柱卡瓦极限承载能力测试装置 |
CN109236206A (zh) * | 2018-10-18 | 2019-01-18 | 西南石油大学 | 一种适用于多尺寸管柱的可变径气动卡瓦 |
CN112502641A (zh) * | 2020-11-25 | 2021-03-16 | 中国石油天然气股份有限公司 | 起下抽油杆装置 |
WO2023000396A1 (zh) * | 2021-07-22 | 2023-01-26 | 台州市迪信勘察仪器有限公司 | 一种探杆夹持器 |
-
2012
- 2012-04-26 CN CN 201220182090 patent/CN203097755U/zh not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104405305A (zh) * | 2014-12-01 | 2015-03-11 | 无锡市钻通工程机械有限公司 | 非开挖推管机用卡瓦机构 |
CN105350930A (zh) * | 2015-11-30 | 2016-02-24 | 韩咏利 | 一种液压旋转式钻井或修井管柱双向锁紧器 |
CN106338438A (zh) * | 2016-09-29 | 2017-01-18 | 西南石油大学 | 一种管柱卡瓦极限承载能力测试装置 |
CN109236206A (zh) * | 2018-10-18 | 2019-01-18 | 西南石油大学 | 一种适用于多尺寸管柱的可变径气动卡瓦 |
CN112502641A (zh) * | 2020-11-25 | 2021-03-16 | 中国石油天然气股份有限公司 | 起下抽油杆装置 |
CN112502641B (zh) * | 2020-11-25 | 2023-01-10 | 中国石油天然气股份有限公司 | 起下抽油杆装置 |
WO2023000396A1 (zh) * | 2021-07-22 | 2023-01-26 | 台州市迪信勘察仪器有限公司 | 一种探杆夹持器 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sinopec Petroleum Engineering Machinery Co.,Ltd. Assignor: SJ PETROLEUM MACHINERY Co.,Ltd. SINOPEC Contract record no.: 2014420000150 Denomination of utility model: Hydraulic bidirectional-control slip Granted publication date: 20130731 License type: Exclusive License Record date: 20140718 |
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LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: 434024 Hubei province Jingzhou Jingzhou District West Gate Longshan Temple Patentee after: SJ PETROLEUM MACHINERY Co.,Ltd. SINOPEC Address before: 434024 Hubei province Jingzhou Jingzhou District West Gate Longshan Temple Patentee before: SJ Petroleum Machinery Co. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20171110 Address after: 434020 No. 1 Longshan Temple Street, Jingzhou District, Jingzhou, Hubei Co-patentee after: SINOPEC OILFIELD EQUIPMENT Corp. Patentee after: SINOPEC SIJI PETROLEUM MACHINERY Co.,Ltd. Address before: 434024 Hubei province Jingzhou Jingzhou District West Gate Longshan Temple Patentee before: SJ PETROLEUM MACHINERY Co.,Ltd. SINOPEC |
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CX01 | Expiry of patent term | ||
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Granted publication date: 20130731 |