CH674239A5 - - Google Patents
Download PDFInfo
- Publication number
- CH674239A5 CH674239A5 CH121887A CH121887A CH674239A5 CH 674239 A5 CH674239 A5 CH 674239A5 CH 121887 A CH121887 A CH 121887A CH 121887 A CH121887 A CH 121887A CH 674239 A5 CH674239 A5 CH 674239A5
- Authority
- CH
- Switzerland
- Prior art keywords
- core
- drill
- core tube
- drill bit
- bit according
- Prior art date
Links
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels or core extractors
- E21B25/10—Formed core retaining or severing means
- E21B25/14—Formed core retaining or severing means mounted on pivot transverse to core axis
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863611014 DE3611014A1 (de) | 1986-04-02 | 1986-04-02 | Kerndrehbohrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH674239A5 true CH674239A5 (pt) | 1990-05-15 |
Family
ID=6297740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH121887A CH674239A5 (pt) | 1986-04-02 | 1987-03-30 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH674239A5 (pt) |
| DE (1) | DE3611014A1 (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3034776B1 (en) | 2014-12-17 | 2019-01-30 | BAUER Spezialtiefbau GmbH | Ground working tool and method for its operation |
| EP3067512B1 (de) | 2015-03-11 | 2017-08-30 | BAUER Spezialtiefbau GmbH | Drehbohrwerkzeug, bohrgerät und verfahren zum erstellen einer bohrung im boden |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE28650C (de) * | TECKLENBURG, Bergrath in Darmstadt | Stofsbohrer mit Kernschutzröhre | ||
| US2083062A (en) * | 1936-01-27 | 1937-06-08 | Cameron Iron Works Inc | Core catcher |
| US2103611A (en) * | 1936-10-13 | 1937-12-28 | Globe Oil Tools Co | Core catcher |
| US2161582A (en) * | 1938-01-07 | 1939-06-06 | Reed Roller Bit Co | Core catcher |
| US2471616A (en) * | 1945-04-10 | 1949-05-31 | Globe Oil Tools Co | Core catcher |
| FR2783977B1 (fr) * | 1998-09-29 | 2000-11-03 | Commissariat Energie Atomique | Microlaser a pompage module et procede de codage-decodage de l'emission d'un tel microlaser |
-
1986
- 1986-04-02 DE DE19863611014 patent/DE3611014A1/de active Granted
-
1987
- 1987-03-30 CH CH121887A patent/CH674239A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3611014A1 (de) | 1987-10-08 |
| DE3611014C2 (pt) | 1989-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |