BE722508A - - Google Patents
Info
- Publication number
- BE722508A BE722508A BE722508DA BE722508A BE 722508 A BE722508 A BE 722508A BE 722508D A BE722508D A BE 722508DA BE 722508 A BE722508 A BE 722508A
- Authority
- BE
- Belgium
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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
-
- 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
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT938667A AT278683B (de) | 1967-10-18 | 1967-10-18 | Anordnung des Rückschlagventiles im Bohrgestängestrang eines Versenkhammers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE722508A true BE722508A (enExample) | 1969-04-01 |
Family
ID=3613702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE722508D BE722508A (enExample) | 1967-10-18 | 1968-10-18 |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT278683B (enExample) |
| BE (1) | BE722508A (enExample) |
| CS (1) | CS150610B2 (enExample) |
| FR (1) | FR1589347A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2502683A1 (fr) * | 1981-03-24 | 1982-10-01 | Flopetrol | Procede et equipement de forage d'une couche souterraine contenant des hydrocarbures, sans utilisation de boue de forage |
| CN106854988B (zh) * | 2017-03-13 | 2019-08-02 | 钱爱芬 | 沙漠打水井机 |
-
1967
- 1967-10-18 AT AT938667A patent/AT278683B/de not_active IP Right Cessation
-
1968
- 1968-10-18 FR FR1589347D patent/FR1589347A/fr not_active Expired
- 1968-10-18 BE BE722508D patent/BE722508A/xx unknown
- 1968-10-18 CS CS718068A patent/CS150610B2/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1589347A (enExample) | 1970-03-23 |
| CS150610B2 (enExample) | 1973-09-04 |
| AT278683B (de) | 1970-02-10 |