CN204729048U - 大斜度井或深水测试的大通径套管内的非旋转坐封封隔器 - Google Patents
大斜度井或深水测试的大通径套管内的非旋转坐封封隔器 Download PDFInfo
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- CN204729048U CN204729048U CN201520325702.7U CN201520325702U CN204729048U CN 204729048 U CN204729048 U CN 204729048U CN 201520325702 U CN201520325702 U CN 201520325702U CN 204729048 U CN204729048 U CN 204729048U
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CN201520325702.7U CN204729048U (zh) | 2015-05-19 | 2015-05-19 | 大斜度井或深水测试的大通径套管内的非旋转坐封封隔器 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111852387A (zh) * | 2020-08-05 | 2020-10-30 | 中石化石油工程技术服务有限公司 | 一种老井找漏封隔装置及方法 |
CN112302563A (zh) * | 2020-11-16 | 2021-02-02 | 中国海洋石油集团有限公司 | 一种超短卡距注水防砂封隔器及其作业方法 |
CN115142811A (zh) * | 2022-06-23 | 2022-10-04 | 中国石油天然气集团有限公司 | 一种非旋转式可重复坐封封隔器以及其坐封、解封方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111852387A (zh) * | 2020-08-05 | 2020-10-30 | 中石化石油工程技术服务有限公司 | 一种老井找漏封隔装置及方法 |
CN112302563A (zh) * | 2020-11-16 | 2021-02-02 | 中国海洋石油集团有限公司 | 一种超短卡距注水防砂封隔器及其作业方法 |
CN115142811A (zh) * | 2022-06-23 | 2022-10-04 | 中国石油天然气集团有限公司 | 一种非旋转式可重复坐封封隔器以及其坐封、解封方法 |
CN115142811B (zh) * | 2022-06-23 | 2024-04-12 | 中国石油天然气集团有限公司 | 一种非旋转式可重复坐封封隔器以及其坐封、解封方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: Tianjin Branch of China Sea Prtroleum (China) Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: COSL-EXPRO Testing Services (Tianjin) Co., Ltd. Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: Tianjin Branch of China Sea Prtroleum (China) Co., Ltd. Patentee before: China National Offshore Oil Corporation Co-patentee before: COSL-EXPRO Testing Services (Tianjin) Co., Ltd. |
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CP01 | Change in the name or title of a patent holder | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 Termination date: 20210519 |
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CF01 | Termination of patent right due to non-payment of annual fee |