CN203308426U - 耐高压可取式油管堵塞器 - Google Patents
耐高压可取式油管堵塞器 Download PDFInfo
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- CN203308426U CN203308426U CN201320224404XU CN201320224404U CN203308426U CN 203308426 U CN203308426 U CN 203308426U CN 201320224404X U CN201320224404X U CN 201320224404XU CN 201320224404 U CN201320224404 U CN 201320224404U CN 203308426 U CN203308426 U CN 203308426U
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CN201320224404XU CN203308426U (zh) | 2013-04-28 | 2013-04-28 | 耐高压可取式油管堵塞器 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104879086A (zh) * | 2015-06-02 | 2015-09-02 | 安东石油技术(集团)有限公司 | 堵塞器及打捞工具 |
CN105201443A (zh) * | 2015-08-19 | 2015-12-30 | 新疆华油油气工程有限公司 | 一种用于钢丝投放的油管内堵塞器 |
CN105332670A (zh) * | 2015-11-06 | 2016-02-17 | 重庆市正华钻采设备有限公司 | 天然气井固定式油管堵塞器 |
CN109505555A (zh) * | 2018-11-20 | 2019-03-22 | 大庆市晟威机械制造有限公司 | 一种水井用堵塞器 |
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2013
- 2013-04-28 CN CN201320224404XU patent/CN203308426U/zh not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104879086A (zh) * | 2015-06-02 | 2015-09-02 | 安东石油技术(集团)有限公司 | 堵塞器及打捞工具 |
CN105201443A (zh) * | 2015-08-19 | 2015-12-30 | 新疆华油油气工程有限公司 | 一种用于钢丝投放的油管内堵塞器 |
CN105201443B (zh) * | 2015-08-19 | 2018-02-23 | 新疆华油油气工程有限公司 | 一种用于钢丝投放的油管内堵塞器 |
CN105332670A (zh) * | 2015-11-06 | 2016-02-17 | 重庆市正华钻采设备有限公司 | 天然气井固定式油管堵塞器 |
CN109505555A (zh) * | 2018-11-20 | 2019-03-22 | 大庆市晟威机械制造有限公司 | 一种水井用堵塞器 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 430035 Hubei city in Wuhan province two Qiaokou Gutian Road No. 37 HSBC Nanniwan Avenue headquarters block fifth B Patentee after: PETROLEUM ENGINEERING TECHNOLOGY Research Institute OF HANJIANG OIL FIELD BRANCH SINOPEC Address before: 430035 Hubei city in Wuhan province two Qiaokou Gutian Road No. 37 HSBC Nanniwan Avenue headquarters block fifth B Patentee before: OIL PRODUCTION TECHNOLOGY Research Institute OF JIANGHAN OILFIELD COMPANY SINOPEC |
|
CP01 | Change in the name or title of a patent holder | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191223 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: PETROLEUM ENGINEERING TECHNOLOGY Research Institute OF HANJIANG OIL FIELD BRANCH SINOPEC Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Address before: 430035 Hubei city in Wuhan province two Qiaokou Gutian Road No. 37 HSBC Nanniwan Avenue headquarters block fifth B Patentee before: PETROLEUM ENGINEERING TECHNOLOGY Research Institute OF HANJIANG OIL FIELD BRANCH SINOPEC |
|
TR01 | Transfer of patent right | ||
CX01 | Expiry of patent term |
Granted publication date: 20131127 |
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CX01 | Expiry of patent term |