CN203669817U - 一种新型的内防喷钻具浮阀 - Google Patents
一种新型的内防喷钻具浮阀 Download PDFInfo
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- CN203669817U CN203669817U CN201420043840.1U CN201420043840U CN203669817U CN 203669817 U CN203669817 U CN 203669817U CN 201420043840 U CN201420043840 U CN 201420043840U CN 203669817 U CN203669817 U CN 203669817U
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- supporting plate
- clamp stand
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- drilling tool
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- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 230000002265 prevention Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Application Number | Priority Date | Filing Date | Title |
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CN201420043840.1U CN203669817U (zh) | 2014-01-23 | 2014-01-23 | 一种新型的内防喷钻具浮阀 |
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CN201420043840.1U CN203669817U (zh) | 2014-01-23 | 2014-01-23 | 一种新型的内防喷钻具浮阀 |
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CN203669817U true CN203669817U (zh) | 2014-06-25 |
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CN201420043840.1U Expired - Lifetime CN203669817U (zh) | 2014-01-23 | 2014-01-23 | 一种新型的内防喷钻具浮阀 |
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CN (1) | CN203669817U (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104695897A (zh) * | 2015-03-16 | 2015-06-10 | 中煤特殊凿井有限责任公司 | 一种井管注浆逆止装置 |
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2014
- 2014-01-23 CN CN201420043840.1U patent/CN203669817U/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104695897A (zh) * | 2015-03-16 | 2015-06-10 | 中煤特殊凿井有限责任公司 | 一种井管注浆逆止装置 |
CN104695897B (zh) * | 2015-03-16 | 2017-05-31 | 中煤特殊凿井有限责任公司 | 一种井管注浆逆止装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: Room 807a, 8th floor, Science Park building, Southwest Petroleum University, 8 Xindu Avenue, Xindu District, Chengdu, Sichuan 610000 Patentee after: Jetbeton Petroleum Technology Group Co.,Ltd. Address before: 102200 room 681, 6th floor, scientific research building, 18 Fukang Road, science and Technology Park, Changping District, Beijing Patentee before: BEIJING GEPETTO OIL TECHNOLOGY Co.,Ltd. Address after: 102200 room 681, 6th floor, scientific research building, 18 Fukang Road, science and Technology Park, Changping District, Beijing Patentee after: BEIJING GEPETTO OIL TECHNOLOGY Co.,Ltd. Address before: 102 / F, NO.1004 Qianji Park, Changping District, Beijing Patentee before: BEIJING GEPETTO OIL TECHNOLOGY Co.,Ltd. |
|
CP03 | Change of name, title or address | ||
CX01 | Expiry of patent term |
Granted publication date: 20140625 |
|
CX01 | Expiry of patent term |