FR2575785B1 - Appareil de forage equipe d'un dispositif permettant le changement de l'outil de forage sans avoir a remonter le train de tiges et comportant un dispositif d'alesage expansible - Google Patents
Appareil de forage equipe d'un dispositif permettant le changement de l'outil de forage sans avoir a remonter le train de tiges et comportant un dispositif d'alesage expansibleInfo
- Publication number
- FR2575785B1 FR2575785B1 FR8500060A FR8500060A FR2575785B1 FR 2575785 B1 FR2575785 B1 FR 2575785B1 FR 8500060 A FR8500060 A FR 8500060A FR 8500060 A FR8500060 A FR 8500060A FR 2575785 B1 FR2575785 B1 FR 2575785B1
- Authority
- FR
- France
- Prior art keywords
- expandable
- roll
- changing
- drilling
- drilling tool
- 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
- 238000005553 drilling Methods 0.000 title 2
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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
- E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure
-
- 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
- E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
- E21B10/66—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe the cutting element movable through the drilling pipe and laterally shiftable
-
- 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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8500060A FR2575785B1 (fr) | 1985-01-04 | 1985-01-04 | Appareil de forage equipe d'un dispositif permettant le changement de l'outil de forage sans avoir a remonter le train de tiges et comportant un dispositif d'alesage expansible |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8500060A FR2575785B1 (fr) | 1985-01-04 | 1985-01-04 | Appareil de forage equipe d'un dispositif permettant le changement de l'outil de forage sans avoir a remonter le train de tiges et comportant un dispositif d'alesage expansible |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2575785A1 FR2575785A1 (fr) | 1986-07-11 |
FR2575785B1 true FR2575785B1 (fr) | 1987-12-11 |
Family
ID=9314997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8500060A Expired FR2575785B1 (fr) | 1985-01-04 | 1985-01-04 | Appareil de forage equipe d'un dispositif permettant le changement de l'outil de forage sans avoir a remonter le train de tiges et comportant un dispositif d'alesage expansible |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2575785B1 (fr) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3050122A (en) * | 1960-04-04 | 1962-08-21 | Gulf Research Development Co | Formation notching apparatus |
FR2049157B1 (fr) * | 1969-06-04 | 1974-02-01 | Sumitomo Metal Mining Co | |
JPS5020522B1 (fr) * | 1969-06-27 | 1975-07-16 | ||
US3974886A (en) * | 1975-02-27 | 1976-08-17 | Blake Jr Jack L | Directional drilling tool |
SE455326B (sv) * | 1983-02-04 | 1988-07-04 | Komitet Geol | Demonterbar kernborrutrustning |
-
1985
- 1985-01-04 FR FR8500060A patent/FR2575785B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2575785A1 (fr) | 1986-07-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |