CN102877807A - 浮式钻井系统高压井口头临时导向基座下放工具 - Google Patents
浮式钻井系统高压井口头临时导向基座下放工具 Download PDFInfo
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- CN102877807A CN102877807A CN2012104103243A CN201210410324A CN102877807A CN 102877807 A CN102877807 A CN 102877807A CN 2012104103243 A CN2012104103243 A CN 2012104103243A CN 201210410324 A CN201210410324 A CN 201210410324A CN 102877807 A CN102877807 A CN 102877807A
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CN2012104103243A CN102877807A (zh) | 2012-10-25 | 2012-10-25 | 浮式钻井系统高压井口头临时导向基座下放工具 |
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CN2012104103243A CN102877807A (zh) | 2012-10-25 | 2012-10-25 | 浮式钻井系统高压井口头临时导向基座下放工具 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4497592A (en) * | 1981-12-01 | 1985-02-05 | Armco Inc. | Self-levelling underwater structure |
CN101318545A (zh) * | 2008-05-16 | 2008-12-10 | 浙江大学 | 深海设备投放器 |
CN101798911A (zh) * | 2010-03-10 | 2010-08-11 | 中国石油天然气集团公司 | 水下井口头回收工具 |
CN202243993U (zh) * | 2011-07-08 | 2012-05-30 | 中国石油天然气集团公司 | 海洋深水浮式钻井用可回收导向基座 |
CN203008831U (zh) * | 2012-10-25 | 2013-06-19 | 中国石油大学(华东) | 浮式钻井系统高压井口头临时导向基座下放工具 |
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- 2012-10-25 CN CN2012104103243A patent/CN102877807A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4497592A (en) * | 1981-12-01 | 1985-02-05 | Armco Inc. | Self-levelling underwater structure |
CN101318545A (zh) * | 2008-05-16 | 2008-12-10 | 浙江大学 | 深海设备投放器 |
CN101798911A (zh) * | 2010-03-10 | 2010-08-11 | 中国石油天然气集团公司 | 水下井口头回收工具 |
CN202243993U (zh) * | 2011-07-08 | 2012-05-30 | 中国石油天然气集团公司 | 海洋深水浮式钻井用可回收导向基座 |
CN203008831U (zh) * | 2012-10-25 | 2013-06-19 | 中国石油大学(华东) | 浮式钻井系统高压井口头临时导向基座下放工具 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Xiao Wensheng Inventor after: Li Xuran Inventor after: Hou Chao Inventor after: Qin Haozhi Inventor before: Xiao Wensheng Inventor before: Li Xuran Inventor before: Hou Chao Inventor before: Yang Xiangxiang |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: XIAO WENSHENG LI XURAN HOU CHAO YANG XIANGXIANG TO: XIAO WENSHENG LI XURANHOU CHAO QIN HAOZHI |
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C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130116 |