EP0033654A3 - Drehbohrmeissel und Anwendungsverfahren - Google Patents
Drehbohrmeissel und Anwendungsverfahren Download PDFInfo
- Publication number
- EP0033654A3 EP0033654A3 EP81300424A EP81300424A EP0033654A3 EP 0033654 A3 EP0033654 A3 EP 0033654A3 EP 81300424 A EP81300424 A EP 81300424A EP 81300424 A EP81300424 A EP 81300424A EP 0033654 A3 EP0033654 A3 EP 0033654A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotary drill
- drill bits
- nozzles
- separating means
- bit
- 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.)
- Withdrawn
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
- 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 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
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/002—Down-hole drilling fluid separation systems
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/003—Means for stopping loss of drilling fluid
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8003591 | 1980-02-02 | ||
GB8003591 | 1980-02-02 | ||
GB8004427 | 1980-02-09 | ||
GB8004427 | 1980-02-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0033654A2 EP0033654A2 (de) | 1981-08-12 |
EP0033654A3 true EP0033654A3 (de) | 1981-10-21 |
Family
ID=26274384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81300424A Withdrawn EP0033654A3 (de) | 1980-02-02 | 1981-02-02 | Drehbohrmeissel und Anwendungsverfahren |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0033654A3 (de) |
AU (1) | AU6681481A (de) |
BR (1) | BR8100589A (de) |
NO (1) | NO810302L (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101245694B (zh) * | 2008-03-19 | 2011-12-28 | 中国石油大学(华东) | 井下钻井液分离装置 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4540056A (en) * | 1984-05-03 | 1985-09-10 | Inco Limited | Cutter assembly |
CA1234094A (en) * | 1984-08-06 | 1988-03-15 | Djurre H. Zijsling | Rotary drill bit |
DE3436762A1 (de) * | 1984-10-06 | 1986-04-10 | Boart HWF GmbH & Co KG Hartmetallwerkzeugfabrik, 6419 Burghaun | Schraemwerkzeug fuer insbesondere streckenvortriebsmaschinen |
GB2277758B (en) * | 1993-05-05 | 1996-07-24 | Kt Bjuro Tekhn Sredstv Burenia | A drill bit equipped with vortex nozzles,and a vortex nozzle for use in the drill bit |
GB2424232B (en) | 2005-03-18 | 2010-03-31 | Schlumberger Holdings | Steerable drilling system |
DE602006012512D1 (de) * | 2006-12-01 | 2010-04-08 | Prad Res & Dev Nv | Verfahren und Vorrichtung für den Transfer von Bohrklein aus Bohrlöchern |
CN112049576B (zh) * | 2020-10-20 | 2022-04-01 | 西南石油大学 | 一种三通道钻头 |
CN113802504B (zh) * | 2021-09-29 | 2023-05-05 | 广东天立方建设集团有限公司 | 一种市政道路淤泥清理装置 |
CN113802503B (zh) * | 2021-09-29 | 2023-06-02 | 广州中恒城市规划勘测设计有限公司 | 一种市政道路清淤装置 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2293259A (en) * | 1941-03-25 | 1942-08-18 | Acme Fishing Tool Company | Device for preventing clogging of drilling bits |
US2609182A (en) * | 1946-11-23 | 1952-09-02 | Arutunoff Armais | Apparatus for drilling deep wells |
US2652130A (en) * | 1950-06-26 | 1953-09-15 | California Research Corp | Gas-oil separator |
US2783716A (en) * | 1954-05-17 | 1957-03-05 | John J Varner | Sand trap and bottom hole separator |
US3112803A (en) * | 1962-01-02 | 1963-12-03 | Jersey Prod Res Co | Diamond drill bit |
US3175629A (en) * | 1962-11-01 | 1965-03-30 | Jersey Prod Res Co | Jet bit |
AU4112972A (en) * | 1971-04-14 | 1973-10-18 | J. Bayliss Agencies Pty. Ltd | Dewatering stabilizers |
US3788408A (en) * | 1970-04-20 | 1974-01-29 | Dresser Ind | Rock bit water deflector and separator |
US3924695A (en) * | 1974-10-02 | 1975-12-09 | John R Kennedy | Rotary drilling method and apparatus |
US4091988A (en) * | 1976-06-21 | 1978-05-30 | Albert G. Bodine | Centrifugal trap for solid particles |
-
1981
- 1981-01-29 NO NO810302A patent/NO810302L/no unknown
- 1981-02-02 BR BR8100589A patent/BR8100589A/pt unknown
- 1981-02-02 EP EP81300424A patent/EP0033654A3/de not_active Withdrawn
- 1981-02-02 AU AU66814/81A patent/AU6681481A/en not_active Withdrawn
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2293259A (en) * | 1941-03-25 | 1942-08-18 | Acme Fishing Tool Company | Device for preventing clogging of drilling bits |
US2609182A (en) * | 1946-11-23 | 1952-09-02 | Arutunoff Armais | Apparatus for drilling deep wells |
US2652130A (en) * | 1950-06-26 | 1953-09-15 | California Research Corp | Gas-oil separator |
US2783716A (en) * | 1954-05-17 | 1957-03-05 | John J Varner | Sand trap and bottom hole separator |
US3112803A (en) * | 1962-01-02 | 1963-12-03 | Jersey Prod Res Co | Diamond drill bit |
US3175629A (en) * | 1962-11-01 | 1965-03-30 | Jersey Prod Res Co | Jet bit |
US3788408A (en) * | 1970-04-20 | 1974-01-29 | Dresser Ind | Rock bit water deflector and separator |
AU4112972A (en) * | 1971-04-14 | 1973-10-18 | J. Bayliss Agencies Pty. Ltd | Dewatering stabilizers |
US3924695A (en) * | 1974-10-02 | 1975-12-09 | John R Kennedy | Rotary drilling method and apparatus |
US4091988A (en) * | 1976-06-21 | 1978-05-30 | Albert G. Bodine | Centrifugal trap for solid particles |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101245694B (zh) * | 2008-03-19 | 2011-12-28 | 中国石油大学(华东) | 井下钻井液分离装置 |
Also Published As
Publication number | Publication date |
---|---|
EP0033654A2 (de) | 1981-08-12 |
NO810302L (no) | 1981-08-03 |
AU6681481A (en) | 1981-08-13 |
BR8100589A (pt) | 1981-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Designated state(s): BE CH DE FR GB NL SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Designated state(s): BE CH DE FR GB NL SE |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
18W | Application withdrawn |
Withdrawal date: 19820607 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: DENZIL, BARR JOHN |