NL8104210A - Lagerstoel voor de aandrijfas van diepboorbeitels. - Google Patents
Lagerstoel voor de aandrijfas van diepboorbeitels. Download PDFInfo
- Publication number
- NL8104210A NL8104210A NL8104210A NL8104210A NL8104210A NL 8104210 A NL8104210 A NL 8104210A NL 8104210 A NL8104210 A NL 8104210A NL 8104210 A NL8104210 A NL 8104210A NL 8104210 A NL8104210 A NL 8104210A
- Authority
- NL
- Netherlands
- Prior art keywords
- bearing bracket
- bracket according
- chamber
- bearing
- drive shaft
- Prior art date
Links
- 239000012530 fluid Substances 0.000 claims description 89
- 238000005553 drilling Methods 0.000 claims description 79
- 238000007789 sealing Methods 0.000 claims description 34
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 59
- 238000010276 construction Methods 0.000 description 14
- 238000005520 cutting process Methods 0.000 description 14
- 125000006850 spacer group Chemical group 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 238000009795 derivation Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 206010063493 Premature ageing Diseases 0.000 description 2
- 208000032038 Premature aging Diseases 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/003—Bearing, sealing, lubricating details
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)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18701180 | 1980-09-15 | ||
| US06/187,011 US4577704A (en) | 1980-09-15 | 1980-09-15 | Bearing system for a downhole motor |
| US19228080 | 1980-09-30 | ||
| US06/192,280 US4361194A (en) | 1980-09-30 | 1980-09-30 | Bearing system for a downhole motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8104210A true NL8104210A (nl) | 1982-04-01 |
Family
ID=26882644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8104210A NL8104210A (nl) | 1980-09-15 | 1981-09-11 | Lagerstoel voor de aandrijfas van diepboorbeitels. |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS57501388A (OSRAM) |
| DE (1) | DE3132137A1 (OSRAM) |
| FR (1) | FR2490299A1 (OSRAM) |
| GB (1) | GB2083525B (OSRAM) |
| NL (1) | NL8104210A (OSRAM) |
| WO (1) | WO1982001029A1 (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011091500A1 (en) * | 2010-01-28 | 2011-08-04 | Halliburton Energy Services, Inc. | Bearing assembly |
| US10017992B2 (en) * | 2016-11-04 | 2018-07-10 | Ashmin Holding Llc | Radial ball bearing and method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2990894A (en) * | 1958-10-20 | 1961-07-04 | Joseph A Mitchell | Turbodrill |
| US3456746A (en) * | 1967-12-12 | 1969-07-22 | Smith International | Flow restricting and metering radial bearing for drilling tools |
| FR2040896A5 (OSRAM) * | 1969-04-25 | 1971-01-22 | Alsthom | |
| US3807513A (en) * | 1973-02-05 | 1974-04-30 | Atlantic Richfield Co | Downhole drilling tool bearing and seal assembly |
| US3879094A (en) * | 1973-08-15 | 1975-04-22 | Smith International | Radial Bearings |
| US3971450A (en) * | 1975-01-31 | 1976-07-27 | Engineering Enterprises, Inc. | Well drilling tool |
| US4260031A (en) * | 1979-09-14 | 1981-04-07 | Dresser Industries, Inc. | Solids diverter for a downhole drilling motor |
-
1981
- 1981-08-14 DE DE19813132137 patent/DE3132137A1/de not_active Withdrawn
- 1981-08-14 GB GB8124853A patent/GB2083525B/en not_active Expired
- 1981-09-10 WO PCT/US1981/001232 patent/WO1982001029A1/en not_active Ceased
- 1981-09-10 JP JP56503148A patent/JPS57501388A/ja active Pending
- 1981-09-11 NL NL8104210A patent/NL8104210A/nl not_active Application Discontinuation
- 1981-09-15 FR FR8117418A patent/FR2490299A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3132137A1 (de) | 1982-04-08 |
| GB2083525B (en) | 1984-05-02 |
| WO1982001029A1 (en) | 1982-04-01 |
| FR2490299B1 (OSRAM) | 1984-12-28 |
| GB2083525A (en) | 1982-03-24 |
| FR2490299A1 (fr) | 1982-03-19 |
| JPS57501388A (OSRAM) | 1982-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A85 | Still pending on 85-01-01 | ||
| CNR | Transfer of rights (patent application after its laying open for public inspection) |
Free format text: CHRISTENSEN DIAMOND PRODUCTS, U.S.A. |
|
| DNT | Communications of changes of names of applicants whose applications have been laid open to public inspection |
Free format text: NORTON CHRISTENSEN, INC. |
|
| BV | The patent application has lapsed |