CN1807828A - Flexible pressurizing and damping device for drill bit - Google Patents
Flexible pressurizing and damping device for drill bit Download PDFInfo
- Publication number
- CN1807828A CN1807828A CN 200610038383 CN200610038383A CN1807828A CN 1807828 A CN1807828 A CN 1807828A CN 200610038383 CN200610038383 CN 200610038383 CN 200610038383 A CN200610038383 A CN 200610038383A CN 1807828 A CN1807828 A CN 1807828A
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- key
- axle
- liquid cylinder
- drill
- axle sleeve
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100383837A CN100494622C (en) | 2006-02-17 | 2006-02-17 | Flexible pressurizing and damping device for drill bit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100383837A CN100494622C (en) | 2006-02-17 | 2006-02-17 | Flexible pressurizing and damping device for drill bit |
Publications (2)
Publication Number | Publication Date |
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CN1807828A true CN1807828A (en) | 2006-07-26 |
CN100494622C CN100494622C (en) | 2009-06-03 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100383837A Expired - Fee Related CN100494622C (en) | 2006-02-17 | 2006-02-17 | Flexible pressurizing and damping device for drill bit |
Country Status (1)
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CN (1) | CN100494622C (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101787858A (en) * | 2010-03-04 | 2010-07-28 | 中国石油大学(华东) | Underground drill stem vibration damping and pressurizing device |
CN102031938A (en) * | 2010-11-25 | 2011-04-27 | 中国石油化工股份有限公司 | Shock absorber for drilling tool in oil-gas drilling |
CN105909186A (en) * | 2016-04-29 | 2016-08-31 | 中石化石油工程机械有限公司研究院 | Pressure relief type shock absorber for drill stems |
CN108756772A (en) * | 2018-07-30 | 2018-11-06 | 西南石油大学 | A kind of flexible commutation liquid-gas type drill string two-way shock absorber |
CN111155943A (en) * | 2018-11-07 | 2020-05-15 | 中国石油化工股份有限公司 | Stable torsion pressurizing device and drilling tool assembly comprising same |
-
2006
- 2006-02-17 CN CNB2006100383837A patent/CN100494622C/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101787858A (en) * | 2010-03-04 | 2010-07-28 | 中国石油大学(华东) | Underground drill stem vibration damping and pressurizing device |
CN101787858B (en) * | 2010-03-04 | 2013-08-14 | 中国石油大学(华东) | Underground drill stem vibration damping and pressurizing device |
CN102031938A (en) * | 2010-11-25 | 2011-04-27 | 中国石油化工股份有限公司 | Shock absorber for drilling tool in oil-gas drilling |
CN105909186A (en) * | 2016-04-29 | 2016-08-31 | 中石化石油工程机械有限公司研究院 | Pressure relief type shock absorber for drill stems |
CN105909186B (en) * | 2016-04-29 | 2017-12-19 | 中石化石油机械股份有限公司研究院 | Can pressure release type drill-string shock absorbers |
CN108756772A (en) * | 2018-07-30 | 2018-11-06 | 西南石油大学 | A kind of flexible commutation liquid-gas type drill string two-way shock absorber |
CN111155943A (en) * | 2018-11-07 | 2020-05-15 | 中国石油化工股份有限公司 | Stable torsion pressurizing device and drilling tool assembly comprising same |
CN111155943B (en) * | 2018-11-07 | 2021-11-23 | 中国石油化工股份有限公司 | Stable torsion pressurizing device and drilling tool assembly comprising same |
Also Published As
Publication number | Publication date |
---|---|
CN100494622C (en) | 2009-06-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yangzhou Tianye Petroleum Machinery Co., Ltd. Assignor: Zhu Zhaoqing Contract record no.: 2010320000890 Denomination of invention: Flexible pressurizing and damping device for drill bit Granted publication date: 20090603 License type: Exclusive License Open date: 20060726 Record date: 20100708 |
|
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: 20090603 Termination date: 20160217 |