CA1096851A - Earth boring drill bit with snap ring cutter retention - Google Patents
Earth boring drill bit with snap ring cutter retentionInfo
- Publication number
- CA1096851A CA1096851A CA304,706A CA304706A CA1096851A CA 1096851 A CA1096851 A CA 1096851A CA 304706 A CA304706 A CA 304706A CA 1096851 A CA1096851 A CA 1096851A
- Authority
- CA
- Canada
- Prior art keywords
- cutter
- shaft
- ring
- groove
- snap ring
- 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
Links
- 230000014759 maintenance of location Effects 0.000 title claims abstract description 14
- 238000005461 lubrication Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 9
- 239000011435 rock Substances 0.000 description 13
- 239000000314 lubricant Substances 0.000 description 8
- 230000006872 improvement Effects 0.000 description 5
- 238000005553 drilling Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004381 surface treatment 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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C43/00—Assembling bearings
- F16C43/02—Assembling sliding-contact bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2352/00—Apparatus for drilling
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Sliding-Contact Bearings (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84664277A | 1977-10-28 | 1977-10-28 | |
| US846,642 | 1992-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1096851A true CA1096851A (en) | 1981-03-03 |
Family
ID=25298509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA304,706A Expired CA1096851A (en) | 1977-10-28 | 1978-06-02 | Earth boring drill bit with snap ring cutter retention |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5471702A (enrdf_load_stackoverflow) |
| BR (1) | BR7804960A (enrdf_load_stackoverflow) |
| CA (1) | CA1096851A (enrdf_load_stackoverflow) |
| FR (1) | FR2407333A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1599377A (enrdf_load_stackoverflow) |
| MX (1) | MX148805A (enrdf_load_stackoverflow) |
| NL (1) | NL7809267A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4577705A (en) * | 1984-04-23 | 1986-03-25 | Smith International, Inc. | Bellows lubricant pressurizer for sealed bearing rock bits |
-
1978
- 1978-05-31 GB GB24708/78A patent/GB1599377A/en not_active Expired
- 1978-06-02 CA CA304,706A patent/CA1096851A/en not_active Expired
- 1978-08-02 BR BR7804960A patent/BR7804960A/pt unknown
- 1978-09-12 NL NL7809267A patent/NL7809267A/xx not_active Application Discontinuation
- 1978-09-19 FR FR7826844A patent/FR2407333A1/fr not_active Withdrawn
- 1978-09-26 MX MX175014A patent/MX148805A/es unknown
- 1978-10-24 JP JP13145278A patent/JPS5471702A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| BR7804960A (pt) | 1979-05-29 |
| NL7809267A (nl) | 1979-05-02 |
| GB1599377A (en) | 1981-09-30 |
| MX148805A (es) | 1983-06-22 |
| FR2407333A1 (fr) | 1979-05-25 |
| JPS5471702A (en) | 1979-06-08 |
| JPS6128076B2 (enrdf_load_stackoverflow) | 1986-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |