CN103046875A - 一种12-3/4超大口径探矿钻杆 - Google Patents
一种12-3/4超大口径探矿钻杆 Download PDFInfo
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- CN103046875A CN103046875A CN2012105671770A CN201210567177A CN103046875A CN 103046875 A CN103046875 A CN 103046875A CN 2012105671770 A CN2012105671770 A CN 2012105671770A CN 201210567177 A CN201210567177 A CN 201210567177A CN 103046875 A CN103046875 A CN 103046875A
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CN201210567177.0A CN103046875B (zh) | 2012-12-25 | 2012-12-25 | 一种12-3/4超大口径探矿钻杆 |
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CN201210567177.0A CN103046875B (zh) | 2012-12-25 | 2012-12-25 | 一种12-3/4超大口径探矿钻杆 |
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CN103046875A true CN103046875A (zh) | 2013-04-17 |
CN103046875B CN103046875B (zh) | 2015-09-09 |
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CN201210567177.0A Active CN103046875B (zh) | 2012-12-25 | 2012-12-25 | 一种12-3/4超大口径探矿钻杆 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4121862A (en) * | 1977-04-06 | 1978-10-24 | Exxon Production Research Company | Pipe connection |
USRE39869E1 (en) * | 1999-03-02 | 2007-10-09 | Grant Prideco, L.P. | High efficiency drill pipe |
CN201255279Y (zh) * | 2008-09-25 | 2009-06-10 | 东营市中信石油机械制造有限公司 | 无接箍直连型油管 |
CN201273426Y (zh) * | 2008-08-12 | 2009-07-15 | 连云港中复连众复合材料集团有限公司 | 大口径环氧玻璃钢管连接头 |
CN201507249U (zh) * | 2009-10-19 | 2010-06-16 | 江苏融泰石油科技股份有限公司 | 超大规格钻铤 |
CN201972619U (zh) * | 2011-02-28 | 2011-09-14 | 上海海隆石油管材研究所 | 数字型非标钻具连接机构 |
US20120273233A1 (en) * | 2011-01-26 | 2012-11-01 | Longyear Tm, Inc. | Drill string components resistant to jamming |
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2012
- 2012-12-25 CN CN201210567177.0A patent/CN103046875B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4121862A (en) * | 1977-04-06 | 1978-10-24 | Exxon Production Research Company | Pipe connection |
USRE39869E1 (en) * | 1999-03-02 | 2007-10-09 | Grant Prideco, L.P. | High efficiency drill pipe |
CN201273426Y (zh) * | 2008-08-12 | 2009-07-15 | 连云港中复连众复合材料集团有限公司 | 大口径环氧玻璃钢管连接头 |
CN201255279Y (zh) * | 2008-09-25 | 2009-06-10 | 东营市中信石油机械制造有限公司 | 无接箍直连型油管 |
CN201507249U (zh) * | 2009-10-19 | 2010-06-16 | 江苏融泰石油科技股份有限公司 | 超大规格钻铤 |
US20120273233A1 (en) * | 2011-01-26 | 2012-11-01 | Longyear Tm, Inc. | Drill string components resistant to jamming |
CN201972619U (zh) * | 2011-02-28 | 2011-09-14 | 上海海隆石油管材研究所 | 数字型非标钻具连接机构 |
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CN103046875B (zh) | 2015-09-09 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
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ASS | Succession or assignment of patent right |
Owner name: MASTER DRILLING PROJECT (CHANGZHOU) CO., LTD. Free format text: FORMER OWNER: JIANGSU HEXIN PETROLEUM MACHINERY CO., LTD. Effective date: 20150401 |
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Free format text: CORRECT: ADDRESS; FROM: 224200 NANTONG, JIANGSU PROVINCE TO: 213125 CHANGZHOU, JIANGSU PROVINCE |
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TA01 | Transfer of patent application right |
Effective date of registration: 20150401 Address after: 213125 Jiangsu city of Changzhou province Cao Road New District No. 1 Applicant after: Master of drilling engineering (Changzhou) Co., Ltd. Address before: 224200, No. five, No. nine, Dongtai Economic Development Zone, Nantong, Jiangsu, Yancheng City Applicant before: Jiangsu Hexin Petroleum Machinery Co., Ltd. |
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