CA2783442A1 - Dispositifs rotatifs de regulation du debit dotes de coussins stabilises - Google Patents
Dispositifs rotatifs de regulation du debit dotes de coussins stabilises Download PDFInfo
- Publication number
- CA2783442A1 CA2783442A1 CA 2783442 CA2783442A CA2783442A1 CA 2783442 A1 CA2783442 A1 CA 2783442A1 CA 2783442 CA2783442 CA 2783442 CA 2783442 A CA2783442 A CA 2783442A CA 2783442 A1 CA2783442 A1 CA 2783442A1
- Authority
- CA
- Canada
- Prior art keywords
- bearing elements
- tubular shaft
- shoulder
- flow control
- rotating flow
- Prior art date
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 claims description 17
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 12
- 239000007789 gas Substances 0.000 description 8
- 238000005553 drilling Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000036316 preload Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/08—Wipers; Oil savers
- E21B33/085—Rotatable packing means, e.g. rotating blow-out preventers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161509801P | 2011-07-20 | 2011-07-20 | |
| US61509801 | 2011-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2783442A1 true CA2783442A1 (fr) | 2013-01-20 |
Family
ID=47554968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2783442 Abandoned CA2783442A1 (fr) | 2011-07-20 | 2012-07-20 | Dispositifs rotatifs de regulation du debit dotes de coussins stabilises |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20130020068A1 (fr) |
| CA (1) | CA2783442A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9683422B2 (en) | 2012-06-12 | 2017-06-20 | Weatherford Technology Holdings, Llc | Rotating flow control diverter having dual stripper elements |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9624749B1 (en) * | 2013-03-15 | 2017-04-18 | Pruitt Tool & Supply Co. | Casing stripper device |
| US11993997B1 (en) * | 2013-03-15 | 2024-05-28 | Pruitt Tool & Supply Co. | Sealed lubricating head and top drive guide |
| US10385646B1 (en) * | 2013-03-15 | 2019-08-20 | Pruitt Tool & Supply Co. | Sealed grease head and top drive guide |
| WO2015188269A1 (fr) | 2014-06-09 | 2015-12-17 | Weatherford Technology Holdings, Llc | Colonne montante comportant un dispositif rotatif de régulation de débit interne |
| CN114753796A (zh) * | 2022-04-18 | 2022-07-15 | 中煤科工生态环境科技有限公司 | 地面钻孔装置和防吸风钻孔方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1902906A (en) * | 1931-08-12 | 1933-03-28 | Seamark Lewis Mervyn Cecil | Casing head equipment |
| US4531580A (en) * | 1983-07-07 | 1985-07-30 | Cameron Iron Works, Inc. | Rotating blowout preventers |
| US6547002B1 (en) * | 2000-04-17 | 2003-04-15 | Weatherford/Lamb, Inc. | High pressure rotating drilling head assembly with hydraulically removable packer |
-
2012
- 2012-07-20 US US13/554,825 patent/US20130020068A1/en not_active Abandoned
- 2012-07-20 CA CA 2783442 patent/CA2783442A1/fr not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9683422B2 (en) | 2012-06-12 | 2017-06-20 | Weatherford Technology Holdings, Llc | Rotating flow control diverter having dual stripper elements |
Also Published As
| Publication number | Publication date |
|---|---|
| US20130020068A1 (en) | 2013-01-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |
Effective date: 20170720 |