FR2640313B1 - DRILL BIT WITH SPIRAL COMBINATION MILL - Google Patents
DRILL BIT WITH SPIRAL COMBINATION MILLInfo
- Publication number
- FR2640313B1 FR2640313B1 FR8816714A FR8816714A FR2640313B1 FR 2640313 B1 FR2640313 B1 FR 2640313B1 FR 8816714 A FR8816714 A FR 8816714A FR 8816714 A FR8816714 A FR 8816714A FR 2640313 B1 FR2640313 B1 FR 2640313B1
- Authority
- FR
- France
- Prior art keywords
- drill bit
- spiral combination
- combination mill
- mill
- spiral
- 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
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
- E21B4/006—Mechanical motion converting means, e.g. reduction gearings
-
- 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
- E21B10/12—Roller bits with discs cutters
-
- 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
- E21B10/16—Roller bits characterised by tooth form or arrangement
-
- 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
- E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/003—Drilling with mechanical conveying means
- E21B7/005—Drilling with mechanical conveying means with helical conveying means
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8816714A FR2640313B1 (en) | 1988-12-14 | 1988-12-14 | DRILL BIT WITH SPIRAL COMBINATION MILL |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8816714A FR2640313B1 (en) | 1988-12-14 | 1988-12-14 | DRILL BIT WITH SPIRAL COMBINATION MILL |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2640313A1 FR2640313A1 (en) | 1990-06-15 |
FR2640313B1 true FR2640313B1 (en) | 1991-04-05 |
Family
ID=9373084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8816714A Expired - Lifetime FR2640313B1 (en) | 1988-12-14 | 1988-12-14 | DRILL BIT WITH SPIRAL COMBINATION MILL |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2640313B1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1297925B1 (en) * | 1997-12-29 | 1999-12-20 | Stefano Tongiani | PERFORATING TIP WITH FORCED COMBINED ROTATIONS |
CN115162953B (en) * | 2022-09-07 | 2022-12-02 | 山东省煤田地质局物探测量队 | Perforating device for geological exploration |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1391626A (en) * | 1920-04-27 | 1921-09-20 | Richard J Bequette | Drill-head for well-driling apparatus |
US1778966A (en) * | 1927-09-06 | 1930-10-21 | Reed Roller Bit Co | Roller bit |
US2894727A (en) * | 1955-05-17 | 1959-07-14 | Homer I Henderson | Drilling bit |
US3235016A (en) * | 1963-12-23 | 1966-02-15 | George C Dennis | Auger with travelling cutter |
GB2028897B (en) * | 1978-08-26 | 1982-09-15 | Paurat F | Equipment for the sinking of shafts |
EP0050954A1 (en) * | 1980-10-23 | 1982-05-05 | Cementation Research Limited | Boring tools |
-
1988
- 1988-12-14 FR FR8816714A patent/FR2640313B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2640313A1 (en) | 1990-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |