CA2240023C - Protected lubricant reservoir for sealed bearing earth boring drill bit - Google Patents
Protected lubricant reservoir for sealed bearing earth boring drill bit Download PDFInfo
- Publication number
- CA2240023C CA2240023C CA 2240023 CA2240023A CA2240023C CA 2240023 C CA2240023 C CA 2240023C CA 2240023 CA2240023 CA 2240023 CA 2240023 A CA2240023 A CA 2240023A CA 2240023 C CA2240023 C CA 2240023C
- Authority
- CA
- Canada
- Prior art keywords
- reservoir
- bit
- bit according
- opening
- legs
- 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.)
- Expired - Lifetime
Links
- 239000000314 lubricant Substances 0.000 title claims abstract description 54
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 239000011435 rock Substances 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 43
- 239000000463 material Substances 0.000 claims description 29
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000013022 venting Methods 0.000 abstract description 7
- 238000005520 cutting process Methods 0.000 description 19
- 238000005553 drilling Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 238000005065 mining Methods 0.000 description 9
- 239000003208 petroleum Substances 0.000 description 8
- 238000007796 conventional method Methods 0.000 description 6
- 230000003628 erosive effect Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 238000005552 hardfacing Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002028 premature Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000758 substrate Substances 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
-
- 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
- E21B10/00—Drill bits
- E21B10/003—Drill bits with cutting edges facing in opposite axial directions
-
- 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002567415A CA2567415C (en) | 1997-07-01 | 1998-06-08 | Protected lubricant reservoir for sealed bearing earth boring drill bit |
| CA002567355A CA2567355A1 (en) | 1997-07-01 | 1998-06-08 | Protected lubricant reservoir for sealed bearing earth boring drill bit |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US5137397P | 1997-07-01 | 1997-07-01 | |
| US60/051,373 | 1997-07-01 | ||
| US92586997A | 1997-09-09 | 1997-09-09 | |
| US08/925,869 | 1997-09-09 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002567415A Division CA2567415C (en) | 1997-07-01 | 1998-06-08 | Protected lubricant reservoir for sealed bearing earth boring drill bit |
| CA002567355A Division CA2567355A1 (en) | 1997-07-01 | 1998-06-08 | Protected lubricant reservoir for sealed bearing earth boring drill bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2240023A1 CA2240023A1 (en) | 1999-01-01 |
| CA2240023C true CA2240023C (en) | 2007-02-13 |
Family
ID=26729352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2240023 Expired - Lifetime CA2240023C (en) | 1997-07-01 | 1998-06-08 | Protected lubricant reservoir for sealed bearing earth boring drill bit |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU731531B2 (sv) |
| CA (1) | CA2240023C (sv) |
| GB (1) | GB2326894A (sv) |
| SE (5) | SE9802318L (sv) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2355747B (en) * | 1999-11-01 | 2001-12-12 | Baker Hughes Inc | Journal bearing for earth-boring bit |
| US7749947B2 (en) | 2006-05-01 | 2010-07-06 | Smith International, Inc. | High performance rock bit grease |
| US8047309B2 (en) | 2007-03-14 | 2011-11-01 | Baker Hughes Incorporated | Passive and active up-drill features on fixed cutter earth-boring tools and related systems and methods |
| US7677338B2 (en) | 2007-03-14 | 2010-03-16 | Overstreet James L | System, method, and apparatus for passive and active updrill features on roller cone drill bits |
| RU2486329C2 (ru) * | 2011-05-18 | 2013-06-27 | Открытое акционерное общество "Волгабурмаш" (ОАО "Волгабурмаш") | Буровое долото с продувкой забоя воздухом и герметизацией опор шарошек |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3917028A (en) * | 1975-01-13 | 1975-11-04 | Smith International | Lubrication reservoir assembly |
| GB1524914A (en) * | 1976-06-14 | 1978-09-13 | Smith International | Rotary rock drill bits |
| US4375242A (en) * | 1980-08-11 | 1983-03-01 | Hughes Tool Company | Sealed and lubricated rock bit with air protected seal ring |
| US4793719A (en) * | 1987-11-18 | 1988-12-27 | Smith International, Inc. | Precision roller bearing rock bits |
-
1998
- 1998-06-08 CA CA 2240023 patent/CA2240023C/en not_active Expired - Lifetime
- 1998-06-16 GB GB9813000A patent/GB2326894A/en not_active Withdrawn
- 1998-06-29 SE SE9802318A patent/SE9802318L/sv not_active Application Discontinuation
- 1998-06-30 AU AU73961/98A patent/AU731531B2/en not_active Expired
-
2000
- 2000-03-14 SE SE0000842A patent/SE519685C2/sv not_active IP Right Cessation
- 2000-03-14 SE SE0000839A patent/SE518362C2/sv not_active IP Right Cessation
- 2000-03-14 SE SE0000840A patent/SE519576C2/sv not_active IP Right Cessation
- 2000-03-14 SE SE0000841A patent/SE519577C2/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE0000842L (sv) | 2000-03-14 |
| SE0000842D0 (sv) | 2000-03-14 |
| SE519577C2 (sv) | 2003-03-18 |
| SE0000841D0 (sv) | 2000-03-14 |
| CA2240023A1 (en) | 1999-01-01 |
| SE0000839D0 (sv) | 2000-03-14 |
| GB9813000D0 (en) | 1998-08-12 |
| SE9802318D0 (sv) | 1998-06-29 |
| SE0000840L (sv) | 2000-03-14 |
| SE518362C2 (sv) | 2002-10-01 |
| SE0000841L (sv) | 2000-03-14 |
| SE0000839L (sv) | 2000-03-14 |
| AU731531B2 (en) | 2001-03-29 |
| SE0000840D0 (sv) | 2000-03-14 |
| AU7396198A (en) | 1999-01-14 |
| SE9802318L (sv) | 1999-01-02 |
| SE519685C2 (sv) | 2003-04-01 |
| GB2326894A (en) | 1999-01-06 |
| SE519576C2 (sv) | 2003-03-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20180608 |