CN2679354Y - 油田完井装置中的安全阀 - Google Patents
油田完井装置中的安全阀 Download PDFInfo
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- CN2679354Y CN2679354Y CN 200320119816 CN200320119816U CN2679354Y CN 2679354 Y CN2679354 Y CN 2679354Y CN 200320119816 CN200320119816 CN 200320119816 CN 200320119816 U CN200320119816 U CN 200320119816U CN 2679354 Y CN2679354 Y CN 2679354Y
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- driver
- valve
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200320119816 CN2679354Y (zh) | 2003-11-24 | 2003-11-24 | 油田完井装置中的安全阀 |
Applications Claiming Priority (1)
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CN 200320119816 CN2679354Y (zh) | 2003-11-24 | 2003-11-24 | 油田完井装置中的安全阀 |
Publications (1)
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CN2679354Y true CN2679354Y (zh) | 2005-02-16 |
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CN 200320119816 Expired - Fee Related CN2679354Y (zh) | 2003-11-24 | 2003-11-24 | 油田完井装置中的安全阀 |
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CN (1) | CN2679354Y (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109072683A (zh) * | 2016-03-15 | 2018-12-21 | 美国雄鹰油田产品有限责任公司 | 趾阀 |
-
2003
- 2003-11-24 CN CN 200320119816 patent/CN2679354Y/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109072683A (zh) * | 2016-03-15 | 2018-12-21 | 美国雄鹰油田产品有限责任公司 | 趾阀 |
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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: Jiangsu Xinde Petroleum Machinery Co., Ltd. Assignor: Xinde Petroleum Machinery Plant, Yancheng City Contract fulfillment period: 2008.5.18 to 2013.5.18 Contract record no.: 2009320000510 Denomination of utility model: Safety valve in completion system of oil field Granted publication date: 20050216 License type: Exclusive license Record date: 20090327 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.5.18 TO 2013.5.18; CHANGE OF CONTRACT Name of requester: JIANGSU XINDE PETROLEUM MECHANICAL CO., LTD. Effective date: 20090327 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050216 Termination date: 20111124 |