CN202791133U - 气胀式封堵装置 - Google Patents
气胀式封堵装置 Download PDFInfo
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- CN202791133U CN202791133U CN 201220345926 CN201220345926U CN202791133U CN 202791133 U CN202791133 U CN 202791133U CN 201220345926 CN201220345926 CN 201220345926 CN 201220345926 U CN201220345926 U CN 201220345926U CN 202791133 U CN202791133 U CN 202791133U
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- ring
- blocking device
- distensible ring
- plugging device
- air heave
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220345926 CN202791133U (zh) | 2011-11-15 | 2012-07-17 | 气胀式封堵装置 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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CN201120451330.4 | 2011-11-15 | ||
CN201120451330 | 2011-11-15 | ||
CN 201220345926 CN202791133U (zh) | 2011-11-15 | 2012-07-17 | 气胀式封堵装置 |
Publications (1)
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CN202791133U true CN202791133U (zh) | 2013-03-13 |
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CN 201220345926 Expired - Lifetime CN202791133U (zh) | 2011-11-15 | 2012-07-17 | 气胀式封堵装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105003653A (zh) * | 2015-05-27 | 2015-10-28 | 江阴市巨匠文化创意发展有限公司 | 设有环形膨胀套的防腐组件 |
CN113124259A (zh) * | 2021-04-15 | 2021-07-16 | 濮阳市盛源能源科技股份有限公司 | 一种橡胶圈盲堵装置 |
-
2012
- 2012-07-17 CN CN 201220345926 patent/CN202791133U/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105003653A (zh) * | 2015-05-27 | 2015-10-28 | 江阴市巨匠文化创意发展有限公司 | 设有环形膨胀套的防腐组件 |
CN113124259A (zh) * | 2021-04-15 | 2021-07-16 | 濮阳市盛源能源科技股份有限公司 | 一种橡胶圈盲堵装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: SINOPEC OILFIELD SERVICE CORPORATION Free format text: FORMER OWNER: SHENGLI PETRO-CHEMICAL BUILDING CO LTD, SHANGLI OIL FIELD Effective date: 20150701 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150701 Address after: 100029 Beijing Chaoyang District Hui Xin a No. twelve layer 6 Patentee after: SINOPEC OILFIELD SERVICE Corp. Address before: 257064 Shandong province Dongying City West Road No. 324 Patentee before: SHENGLI OIL FIELD SHENGLI PETROLEUM & CHEMICAL CONSTRUCTION Corp. |
|
CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
CX01 | Expiry of patent term |