CA2631414A1 - Filet protecteur pour un appareil de forage - Google Patents
Filet protecteur pour un appareil de forage Download PDFInfo
- Publication number
- CA2631414A1 CA2631414A1 CA002631414A CA2631414A CA2631414A1 CA 2631414 A1 CA2631414 A1 CA 2631414A1 CA 002631414 A CA002631414 A CA 002631414A CA 2631414 A CA2631414 A CA 2631414A CA 2631414 A1 CA2631414 A1 CA 2631414A1
- Authority
- CA
- Canada
- Prior art keywords
- top drive
- safety net
- net
- motor housing
- fasteners
- 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
- 238000009434 installation Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0021—Safety devices, e.g. for preventing small objects from falling into the borehole
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)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US93889107P | 2007-05-18 | 2007-05-18 | |
US60/938,891 | 2007-05-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2631414A1 true CA2631414A1 (fr) | 2008-11-18 |
Family
ID=40026373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002631414A Abandoned CA2631414A1 (fr) | 2007-05-18 | 2008-05-15 | Filet protecteur pour un appareil de forage |
Country Status (2)
Country | Link |
---|---|
US (1) | US20080283303A1 (fr) |
CA (1) | CA2631414A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2192264A1 (fr) * | 2008-11-28 | 2010-06-02 | Roblon A/s | Filet doté de bandes de matériau composite |
NO339295B1 (no) * | 2010-10-12 | 2016-11-21 | Nat Oilwell Varco Norway As | Fangkurvsystem for en underdekks rørhåndteringsmaskin |
US9303468B2 (en) | 2010-11-02 | 2016-04-05 | National Oilwell Varco Norway As | Drilling system and a device for assembling and disassembling pipe stands |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1035854A (en) * | 1911-08-26 | 1912-08-20 | Harry Budd | Gearing-shield. |
US1218244A (en) * | 1916-05-03 | 1917-03-06 | James E Donavan | Machine-protector. |
US1238590A (en) * | 1916-10-06 | 1917-08-28 | Westinghouse Electric & Mfg Co | Cover for dynamo-electric machines. |
US1478953A (en) * | 1921-06-23 | 1923-12-25 | Happ Leonard | Guard |
US3455409A (en) * | 1967-04-07 | 1969-07-15 | Trans Dapt Of California Inc | Transmission shield |
US3491847A (en) * | 1967-06-15 | 1970-01-27 | Thomas P Abbott | Explosion cover |
US4285215A (en) * | 1976-10-18 | 1981-08-25 | Roeder George K | Rotary table and kelly guard |
US4210213A (en) * | 1978-03-20 | 1980-07-01 | Louviere Huey P | Kelly bushing guard |
-
2008
- 2008-05-15 CA CA002631414A patent/CA2631414A1/fr not_active Abandoned
- 2008-05-15 US US12/120,697 patent/US20080283303A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US20080283303A1 (en) | 2008-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Dead |
Effective date: 20140515 |