CN201212362Y - 七千米型三轴直流电动钻井绞车 - Google Patents
七千米型三轴直流电动钻井绞车 Download PDFInfo
- Publication number
- CN201212362Y CN201212362Y CNU2008200137998U CN200820013799U CN201212362Y CN 201212362 Y CN201212362 Y CN 201212362Y CN U2008200137998 U CNU2008200137998 U CN U2008200137998U CN 200820013799 U CN200820013799 U CN 200820013799U CN 201212362 Y CN201212362 Y CN 201212362Y
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- Prior art keywords
- shaft
- winch
- hoisting winch
- bolts
- speed clutch
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application Number | Priority Date | Filing Date | Title |
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CNU2008200137998U CN201212362Y (zh) | 2008-07-03 | 2008-07-03 | 七千米型三轴直流电动钻井绞车 |
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CNU2008200137998U CN201212362Y (zh) | 2008-07-03 | 2008-07-03 | 七千米型三轴直流电动钻井绞车 |
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CN201212362Y true CN201212362Y (zh) | 2009-03-25 |
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CNU2008200137998U Expired - Lifetime CN201212362Y (zh) | 2008-07-03 | 2008-07-03 | 七千米型三轴直流电动钻井绞车 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102079491A (zh) * | 2010-06-13 | 2011-06-01 | 无锡核力重工有限公司 | 起重机主起升绞车的传动机构 |
CN103058088A (zh) * | 2012-12-26 | 2013-04-24 | 山东远征石油设备股份有限公司 | 封闭式多轴石油钻机绞车 |
CN104326387A (zh) * | 2014-10-22 | 2015-02-04 | 四川宏华石油设备有限公司 | 紧凑型、分体式直流绞车 |
CN104500024A (zh) * | 2014-12-11 | 2015-04-08 | 宝鸡石油机械有限责任公司 | 一种实现直流钻机游车软停止的装置及方法 |
-
2008
- 2008-07-03 CN CNU2008200137998U patent/CN201212362Y/zh not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102079491A (zh) * | 2010-06-13 | 2011-06-01 | 无锡核力重工有限公司 | 起重机主起升绞车的传动机构 |
CN103058088A (zh) * | 2012-12-26 | 2013-04-24 | 山东远征石油设备股份有限公司 | 封闭式多轴石油钻机绞车 |
CN104326387A (zh) * | 2014-10-22 | 2015-02-04 | 四川宏华石油设备有限公司 | 紧凑型、分体式直流绞车 |
CN104500024A (zh) * | 2014-12-11 | 2015-04-08 | 宝鸡石油机械有限责任公司 | 一种实现直流钻机游车软停止的装置及方法 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Liaohe Equipment Group Co Ltd Assignor: Liaohe Petroleum Exploration Bureau Contract record no.: 2012210000040 Denomination of utility model: Seven-kilometer triaxial DC electric drilling winch Granted publication date: 20090325 License type: Exclusive License Record date: 20120312 |
|
EM01 | Change of recordation of patent licensing contract |
Change date: 20121031 Contract record no.: 2012210000040 Assignee after: China Petroleum Liaohe Equipment Company Assignee before: Liaohe Equipment Group Co Ltd |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
CX01 | Expiry of patent term |
Granted publication date: 20090325 |