CN202493247U - 一种降低射孔瞬间冲击振动力的纵向减振器 - Google Patents
一种降低射孔瞬间冲击振动力的纵向减振器 Download PDFInfo
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CN2011205459383U CN202493247U (zh) | 2011-12-23 | 2011-12-23 | 一种降低射孔瞬间冲击振动力的纵向减振器 |
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CN2011205459383U CN202493247U (zh) | 2011-12-23 | 2011-12-23 | 一种降低射孔瞬间冲击振动力的纵向减振器 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103174402A (zh) * | 2011-12-23 | 2013-06-26 | 中国石油化工股份有限公司 | 一种降低射孔瞬间冲击振动力的纵向减振器 |
CN107218017A (zh) * | 2017-07-11 | 2017-09-29 | 中国石油大学(北京) | 射孔双向减震器 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103174402A (zh) * | 2011-12-23 | 2013-06-26 | 中国石油化工股份有限公司 | 一种降低射孔瞬间冲击振动力的纵向减振器 |
CN107218017A (zh) * | 2017-07-11 | 2017-09-29 | 中国石油大学(北京) | 射孔双向减震器 |
CN107218017B (zh) * | 2017-07-11 | 2018-06-26 | 中国石油大学(北京) | 射孔双向减震器 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150930 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: Sinopec Corp. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: Sinopec Corp. Patentee before: SINOPEC Shengli Petroleum Administration Well Logging Company |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20161223 |