FR2372309B1 - - Google Patents
Info
- Publication number
- FR2372309B1 FR2372309B1 FR7635553A FR7635553A FR2372309B1 FR 2372309 B1 FR2372309 B1 FR 2372309B1 FR 7635553 A FR7635553 A FR 7635553A FR 7635553 A FR7635553 A FR 7635553A FR 2372309 B1 FR2372309 B1 FR 2372309B1
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
-
- 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
-
- 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
- E21B11/00—Other drilling tools
- E21B11/02—Boring rams
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7635553A FR2372309A1 (en) | 1976-11-25 | 1976-11-25 | Percussively driven earth borer - has hollow head housing body with nozzles directing jets at head wall |
JP14326576A JPS5367902A (en) | 1976-11-25 | 1976-11-29 | Earth drilling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7635553A FR2372309A1 (en) | 1976-11-25 | 1976-11-25 | Percussively driven earth borer - has hollow head housing body with nozzles directing jets at head wall |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2372309A1 FR2372309A1 (en) | 1978-06-23 |
FR2372309B1 true FR2372309B1 (en) | 1982-10-29 |
Family
ID=9180313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7635553A Granted FR2372309A1 (en) | 1976-11-25 | 1976-11-25 | Percussively driven earth borer - has hollow head housing body with nozzles directing jets at head wall |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5367902A (en) |
FR (1) | FR2372309A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4736808A (en) * | 1986-10-14 | 1988-04-12 | Canadian Patents And Development Limited/Societe Canadienne Des Brevets Et D'exploitation Limitee | Percussive tool with high pressure fluid jet |
US4905773A (en) * | 1987-11-02 | 1990-03-06 | Underground Technologies | Self-propelled subsoil penetrating tool system |
US5174394A (en) * | 1988-03-31 | 1992-12-29 | Philipp Holzmann Aktiengesellschaft | Apparatus for cleaning layers of earth |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1059370A (en) * | 1952-07-01 | 1954-03-24 | Soletanche | Method and device for the rapid execution of pile driving drilling |
GB979984A (en) * | 1962-09-19 | 1965-01-06 | John A Court Bergne | Improved means for mineral sampling of gravels and other submerged or water bearing strata |
US3489232A (en) * | 1967-06-16 | 1970-01-13 | Howard J Hoody | Double tube jetting tool |
-
1976
- 1976-11-25 FR FR7635553A patent/FR2372309A1/en active Granted
- 1976-11-29 JP JP14326576A patent/JPS5367902A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2372309A1 (en) | 1978-06-23 |
JPS5367902A (en) | 1978-06-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MD | Transfer of rights in case of death | ||
TP | Transmission of property | ||
ST | Notification of lapse |