JPS5743717B2 - - Google Patents
Info
- Publication number
- JPS5743717B2 JPS5743717B2 JP49024327A JP2432774A JPS5743717B2 JP S5743717 B2 JPS5743717 B2 JP S5743717B2 JP 49024327 A JP49024327 A JP 49024327A JP 2432774 A JP2432774 A JP 2432774A JP S5743717 B2 JPS5743717 B2 JP S5743717B2
- Authority
- JP
- Japan
- 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
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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
-
- 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
-
- 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
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Sheet Holders (AREA)
- Fertilizing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1053073A GB1469524A (en) | 1973-03-05 | 1973-03-05 | Rotary bit for hydraulically drilling holes into underground formations |
| GB5143273 | 1973-11-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49118601A JPS49118601A (ja) | 1974-11-13 |
| JPS5743717B2 true JPS5743717B2 (ja) | 1982-09-16 |
Family
ID=26247583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49024327A Expired JPS5743717B2 (ja) | 1973-03-05 | 1974-03-04 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5743717B2 (ja) |
| CA (1) | CA997749A (ja) |
| DE (1) | DE2410236C3 (ja) |
| FR (1) | FR2220662A1 (ja) |
| NL (1) | NL177241C (ja) |
| NO (1) | NO143391C (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4098363A (en) * | 1977-04-25 | 1978-07-04 | Christensen, Inc. | Diamond drilling bit for soft and medium hard formations |
| JP2012127062A (ja) * | 2010-12-13 | 2012-07-05 | Mitsubishi Materials Corp | 掘削ビット |
-
1974
- 1974-01-09 CA CA189,757A patent/CA997749A/en not_active Expired
- 1974-03-04 FR FR7407251A patent/FR2220662A1/fr active Granted
- 1974-03-04 DE DE2410236A patent/DE2410236C3/de not_active Expired
- 1974-03-04 NL NLAANVRAGE7402876,A patent/NL177241C/xx active Search and Examination
- 1974-03-04 JP JP49024327A patent/JPS5743717B2/ja not_active Expired
- 1974-03-04 NO NO740735A patent/NO143391C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7402876A (ja) | 1974-09-09 |
| FR2220662B1 (ja) | 1982-06-04 |
| FR2220662A1 (en) | 1974-10-04 |
| DE2410236A1 (de) | 1974-09-12 |
| NL177241C (nl) | 1985-08-16 |
| DE2410236B2 (de) | 1980-03-06 |
| NO143391B (no) | 1980-10-20 |
| JPS49118601A (ja) | 1974-11-13 |
| NO143391C (no) | 1981-01-28 |
| NO740735L (no) | 1974-09-06 |
| DE2410236C3 (de) | 1980-10-23 |
| CA997749A (en) | 1976-09-28 |