NO791605L - Borkrone. - Google Patents
Borkrone.Info
- Publication number
- NO791605L NO791605L NO791605A NO791605A NO791605L NO 791605 L NO791605 L NO 791605L NO 791605 A NO791605 A NO 791605A NO 791605 A NO791605 A NO 791605A NO 791605 L NO791605 L NO 791605L
- Authority
- NO
- Norway
- Prior art keywords
- bearing
- drill bit
- cutting roller
- cutting
- pin
- Prior art date
Links
- 238000005520 cutting process Methods 0.000 claims description 57
- 239000000463 material Substances 0.000 claims description 8
- 238000005553 drilling Methods 0.000 description 11
- 239000000314 lubricant Substances 0.000 description 11
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004181 pedogenesis Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 230000003313 weakening effect Effects 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
- E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing 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
- E21B10/08—Roller bits
- E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Manufacturing Of Electric Cables (AREA)
- Saccharide Compounds (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US92769678A | 1978-07-24 | 1978-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO791605L true NO791605L (no) | 1980-01-25 |
Family
ID=25455101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO791605A NO791605L (no) | 1978-07-24 | 1979-05-14 | Borkrone. |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5519400A (fr) |
| CA (1) | CA1095505A (fr) |
| DE (1) | DE2929568A1 (fr) |
| FR (1) | FR2441048A1 (fr) |
| GB (1) | GB2026576B (fr) |
| IT (1) | IT1117791B (fr) |
| MX (1) | MX150790A (fr) |
| NL (1) | NL7904731A (fr) |
| NO (1) | NO791605L (fr) |
| PL (1) | PL120433B1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8002813L (sv) * | 1980-04-15 | 1981-10-16 | Sandvik Ab | Lageranordning vid roterande borrkronor |
| US7086487B2 (en) | 2002-07-01 | 2006-08-08 | Baker Hughes Incorporated | Anti-mud packing seal gland |
| CN109026009B (zh) * | 2018-10-17 | 2023-11-21 | 中南大学 | 一种海底矿产资源富钴结壳的采掘头 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE673486A (fr) * | ||||
| US3384426A (en) * | 1965-05-14 | 1968-05-21 | Reed Roller Bit Co | Contoured race for roller bearings |
| FR1459030A (fr) * | 1965-08-17 | 1966-04-29 | Hughes Tool Co | Système de palier, notamment pour trépans |
| US3746405A (en) * | 1971-11-18 | 1973-07-17 | Globe Oil Tools Co | Well drilling bit lubrication and seal |
| US3890018A (en) * | 1974-07-19 | 1975-06-17 | Dresser Ind | Rotary rock bit with wiper pad lubrication system |
| US4061376A (en) * | 1976-06-14 | 1977-12-06 | Smith International Inc. | Rock bit bearing structure |
-
1979
- 1979-05-14 NO NO791605A patent/NO791605L/no unknown
- 1979-06-12 CA CA329,555A patent/CA1095505A/fr not_active Expired
- 1979-06-18 NL NL7904731A patent/NL7904731A/nl not_active Application Discontinuation
- 1979-07-05 IT IT49664/79A patent/IT1117791B/it active
- 1979-07-12 GB GB7924271A patent/GB2026576B/en not_active Expired
- 1979-07-19 JP JP9210579A patent/JPS5519400A/ja active Pending
- 1979-07-19 DE DE19792929568 patent/DE2929568A1/de not_active Withdrawn
- 1979-07-19 PL PL1979217220A patent/PL120433B1/pl unknown
- 1979-07-20 FR FR7918795A patent/FR2441048A1/fr active Pending
- 1979-07-24 MX MX178614A patent/MX150790A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2026576B (en) | 1982-12-15 |
| IT1117791B (it) | 1986-02-24 |
| JPS5519400A (en) | 1980-02-12 |
| CA1095505A (fr) | 1981-02-10 |
| IT7949664A0 (it) | 1979-07-05 |
| NL7904731A (nl) | 1980-01-28 |
| FR2441048A1 (fr) | 1980-06-06 |
| DE2929568A1 (de) | 1980-02-07 |
| PL217220A1 (fr) | 1980-04-08 |
| MX150790A (es) | 1984-07-19 |
| GB2026576A (en) | 1980-02-06 |
| PL120433B1 (en) | 1982-02-27 |
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