FR2581697B1 - BICONE WITH PERCUTANT MONOLAME - Google Patents
BICONE WITH PERCUTANT MONOLAMEInfo
- Publication number
- FR2581697B1 FR2581697B1 FR8507265A FR8507265A FR2581697B1 FR 2581697 B1 FR2581697 B1 FR 2581697B1 FR 8507265 A FR8507265 A FR 8507265A FR 8507265 A FR8507265 A FR 8507265A FR 2581697 B1 FR2581697 B1 FR 2581697B1
- Authority
- FR
- France
- Prior art keywords
- percutant
- monolame
- bicone
- percutant monolame
- 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/10—Down-hole impacting means, e.g. hammers continuous unidirectional rotary motion of shaft or drilling pipe effecting consecutive impacts
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/36—Percussion drill bits
- E21B10/40—Percussion drill bits with leading portion
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8507265A FR2581697B1 (en) | 1985-05-10 | 1985-05-10 | BICONE WITH PERCUTANT MONOLAME |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8507265A FR2581697B1 (en) | 1985-05-10 | 1985-05-10 | BICONE WITH PERCUTANT MONOLAME |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2581697A1 FR2581697A1 (en) | 1986-11-14 |
FR2581697B1 true FR2581697B1 (en) | 1987-07-24 |
Family
ID=9319243
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8507265A Expired FR2581697B1 (en) | 1985-05-10 | 1985-05-10 | BICONE WITH PERCUTANT MONOLAME |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2581697B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2301317C2 (en) | 2001-09-20 | 2007-06-20 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Method and device for geological bed drilling |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1526748A (en) * | 1923-10-10 | 1925-02-17 | Charles H Herman | Rotary drilling apparatus |
US2350364A (en) * | 1941-03-17 | 1944-06-06 | James W Menhall | Deep well drilling apparatus |
US2725215A (en) * | 1953-05-05 | 1955-11-29 | Donald B Macneir | Rotary rock drilling tool |
US2859941A (en) * | 1956-02-06 | 1958-11-11 | Martin B Carroll | Combination rotary and impact drill |
US3250337A (en) * | 1963-10-29 | 1966-05-10 | Max J Demo | Rotary shock wave drill bit |
US3807512A (en) * | 1972-12-29 | 1974-04-30 | Texaco Inc | Percussion-rotary drilling mechanism with mud drive turbine |
-
1985
- 1985-05-10 FR FR8507265A patent/FR2581697B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2581697A1 (en) | 1986-11-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |