CN213802546U - 一种钻头吊装器 - Google Patents
一种钻头吊装器 Download PDFInfo
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- CN213802546U CN213802546U CN202021779390.4U CN202021779390U CN213802546U CN 213802546 U CN213802546 U CN 213802546U CN 202021779390 U CN202021779390 U CN 202021779390U CN 213802546 U CN213802546 U CN 213802546U
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021779390.4U CN213802546U (zh) | 2020-08-24 | 2020-08-24 | 一种钻头吊装器 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021779390.4U CN213802546U (zh) | 2020-08-24 | 2020-08-24 | 一种钻头吊装器 |
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| CN213802546U true CN213802546U (zh) | 2021-07-27 |
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| CN202021779390.4U Active CN213802546U (zh) | 2020-08-24 | 2020-08-24 | 一种钻头吊装器 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114084791A (zh) * | 2020-08-24 | 2022-02-25 | 中石化石油工程技术服务有限公司 | 一种钻头吊装器 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114084791A (zh) * | 2020-08-24 | 2022-02-25 | 中石化石油工程技术服务有限公司 | 一种钻头吊装器 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20250526 Address after: Room 1202, No. 22 Chaoyangmen North Street, Chaoyang District, Beijing, 100728 Patentee after: Sinopec Petroleum Engineering Technology Service Co.,Ltd. Country or region after: China Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY Research Institute Address before: 100101 Beijing, Beichen West Road, No. 8 Beichen world center, block A, No. 703, No. Patentee before: SINOPEC OILFIELD SERVICE Corp. Country or region before: China Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Patentee before: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY Research Institute |
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| TR01 | Transfer of patent right |