FR2372310B1 - - Google Patents
Info
- Publication number
- FR2372310B1 FR2372310B1 FR7735331A FR7735331A FR2372310B1 FR 2372310 B1 FR2372310 B1 FR 2372310B1 FR 7735331 A FR7735331 A FR 7735331A FR 7735331 A FR7735331 A FR 7735331A FR 2372310 B1 FR2372310 B1 FR 2372310B1
- Authority
- FR
- France
- 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
- E21B10/08—Roller bits
- E21B10/083—Roller bits with longitudinal axis, e.g. wobbling or nutating roller bit
-
- 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
- E21B10/08—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
-
- 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
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
- E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MX16715376A MX143004A (es) | 1976-11-24 | 1976-11-24 | Barrena de una sola cabeza para perforacion de pozos |
US05/800,916 US4154312A (en) | 1977-05-26 | 1977-05-26 | Drill bit with single cutting head |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2372310A1 FR2372310A1 (fr) | 1978-06-23 |
FR2372310B1 true FR2372310B1 (ko) | 1984-01-13 |
Family
ID=26641103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7735331A Granted FR2372310A1 (fr) | 1976-11-24 | 1977-11-24 | Trepan rotatif |
Country Status (7)
Country | Link |
---|---|
AR (1) | AR225400A1 (ko) |
CA (1) | CA1082685A (ko) |
DE (1) | DE2751818C2 (ko) |
FR (1) | FR2372310A1 (ko) |
GB (1) | GB1557515A (ko) |
IT (1) | IT1116377B (ko) |
NL (1) | NL7712884A (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4332113A1 (de) * | 1993-09-22 | 1995-03-23 | Nlw Foerdertechnik Gmbh | Bohrgerät für Bohrungen im Erdreich mit unterschiedlichen Bodenklassen |
UA94503C2 (en) * | 2009-09-04 | 2011-05-10 | Ирина Григорьевна Добролюбова | Drill bit |
US11839956B2 (en) | 2019-06-10 | 2023-12-12 | Core Tool Group, Inc. | Bit |
CN114198032B (zh) * | 2021-10-29 | 2024-06-14 | 中铁六局集团呼和浩特铁路建设有限公司 | 一种小直径钻孔设备及使用方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1238757A (en) * | 1913-02-28 | 1917-09-04 | Levi S Gardner | Rotary drill. |
US1254267A (en) * | 1913-12-17 | 1918-01-22 | Rowland O Pickin | Drill. |
US1334632A (en) * | 1917-06-15 | 1920-03-23 | Rowland O Pickin | Rotary rock-drill bit |
US1747909A (en) * | 1922-05-29 | 1930-02-18 | Universal Rotary Bit Company | Rotary sectional bit |
US1859948A (en) * | 1929-07-29 | 1932-05-24 | John A Zublin | Bit with cutters having scraping and rolling motions |
US1914042A (en) * | 1932-03-24 | 1933-06-13 | Edwin L Rath | Double socket eccentric rock bit |
US2124414A (en) * | 1936-04-18 | 1938-07-19 | Otto B Goldman | Well drilling bit |
US2113820A (en) * | 1936-06-06 | 1938-04-12 | John A Zublin | Underreamer and oversize-hole drilling tool |
US2362860A (en) * | 1941-12-22 | 1944-11-14 | Allen M Rossman | Earth boring rock bit |
US2336335A (en) * | 1942-08-13 | 1943-12-07 | John A Zublin | Rotary hammering bit |
US2336337A (en) * | 1942-08-13 | 1943-12-07 | John A Zublin | Heavy duty gyrating bit |
US2598518A (en) * | 1948-04-21 | 1952-05-27 | Normand E Dufilho | Rock bit |
US3193028A (en) * | 1962-09-26 | 1965-07-06 | Exxon Production Research Co | Rotary drill bit |
US3299973A (en) * | 1964-07-27 | 1967-01-24 | Smith Ind International Inc | Lubrication and sealing of well drilling bit |
US3429390A (en) * | 1967-05-19 | 1969-02-25 | Supercussion Drills Inc | Earth-drilling bits |
US3847234A (en) * | 1972-06-01 | 1974-11-12 | Reed Tool Co | Pressure relief device for drill bit lubrication system |
US3765495A (en) * | 1972-08-02 | 1973-10-16 | G W Murphey Ind Inc | Drill bit seals |
US3966274A (en) * | 1975-02-13 | 1976-06-29 | Dresser Industries, Inc. | Roller separator for bit bearings |
US3963282A (en) * | 1975-02-13 | 1976-06-15 | Dresser Industries, Inc. | Cantilevered roller separator for rock bit bearings |
-
1977
- 1977-11-19 DE DE19772751818 patent/DE2751818C2/de not_active Expired
- 1977-11-21 AR AR27004377A patent/AR225400A1/es active
- 1977-11-23 CA CA291,544A patent/CA1082685A/en not_active Expired
- 1977-11-23 GB GB4880277A patent/GB1557515A/en not_active Expired
- 1977-11-23 NL NL7712884A patent/NL7712884A/xx active Search and Examination
- 1977-11-24 IT IT5192077A patent/IT1116377B/it active
- 1977-11-24 FR FR7735331A patent/FR2372310A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
GB1557515A (en) | 1979-12-12 |
DE2751818A1 (de) | 1978-06-01 |
NL7712884A (nl) | 1978-05-26 |
DE2751818C2 (de) | 1982-08-12 |
FR2372310A1 (fr) | 1978-06-23 |
IT1116377B (it) | 1986-02-10 |
AR225400A1 (es) | 1982-03-31 |
CA1082685A (en) | 1980-07-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |