EP0296208B1 - Bohrmeissel mit gerichtetem spülflüssigkeitsstrahl - Google Patents
Bohrmeissel mit gerichtetem spülflüssigkeitsstrahl Download PDFInfo
- Publication number
- EP0296208B1 EP0296208B1 EP88900697A EP88900697A EP0296208B1 EP 0296208 B1 EP0296208 B1 EP 0296208B1 EP 88900697 A EP88900697 A EP 88900697A EP 88900697 A EP88900697 A EP 88900697A EP 0296208 B1 EP0296208 B1 EP 0296208B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tool
- orifice
- accordance
- orifices
- rotary members
- 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 - Lifetime
Links
Images
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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Earth Drilling (AREA)
- Nozzles (AREA)
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8618415A FR2609099B1 (fr) | 1986-12-31 | 1986-12-31 | Outil de forage a jet incline |
FR8618415 | 1986-12-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0296208A1 EP0296208A1 (de) | 1988-12-28 |
EP0296208B1 true EP0296208B1 (de) | 1992-04-01 |
Family
ID=9342477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88900697A Expired - Lifetime EP0296208B1 (de) | 1986-12-31 | 1987-12-30 | Bohrmeissel mit gerichtetem spülflüssigkeitsstrahl |
Country Status (5)
Country | Link |
---|---|
US (1) | US4886131A (de) |
EP (1) | EP0296208B1 (de) |
DE (1) | DE3778017D1 (de) |
FR (1) | FR2609099B1 (de) |
WO (1) | WO1988005107A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4989680A (en) * | 1980-03-24 | 1991-02-05 | Camco International Inc. | Drill bit having improved hydraulic action for directing drilling fluid |
US5096005A (en) * | 1990-03-30 | 1992-03-17 | Camco International Inc. | Hydraulic action for rotary drill bits |
US5244050A (en) * | 1992-04-06 | 1993-09-14 | Rock Bit International, Inc. | Rock bit with offset tool port |
US5785258A (en) * | 1993-10-08 | 1998-07-28 | Vortexx Group Incorporated | Method and apparatus for conditioning fluid flow |
US5494124A (en) * | 1993-10-08 | 1996-02-27 | Vortexx Group, Inc. | Negative pressure vortex nozzle |
US5879057A (en) | 1996-11-12 | 1999-03-09 | Amvest Corporation | Horizontal remote mining system, and method |
US6571887B1 (en) * | 2000-04-12 | 2003-06-03 | Sii Smith International, Inc. | Directional flow nozzle retention body |
US7040423B2 (en) * | 2004-02-26 | 2006-05-09 | Smith International, Inc. | Nozzle bore for high flow rates |
US7694608B2 (en) | 2005-12-20 | 2010-04-13 | Smith International, Inc. | Method of manufacturing a matrix body drill bit |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2378938A1 (fr) * | 1977-01-28 | 1978-08-25 | Inst Francais Du Petrole | Outil de forage a jet d'aspiration |
US4106577A (en) * | 1977-06-20 | 1978-08-15 | The Curators Of The University Of Missouri | Hydromechanical drilling device |
FR2442954A1 (fr) * | 1977-11-21 | 1980-06-27 | Inst Francais Du Petrole | Outil de forage perfectionne a jet d'aspiration |
FR2421271A2 (fr) * | 1978-03-30 | 1979-10-26 | Inst Francais Du Petrole | Outil de forage a jet d'aspiration |
FR2421270A2 (fr) * | 1978-03-30 | 1979-10-26 | Inst Francais Du Petrole | Outil de forage a jet d'aspiration |
CA1164855A (en) * | 1980-03-24 | 1984-04-03 | Philip A. Taylor | Rolling cutter drill bit |
US4351402A (en) * | 1980-05-27 | 1982-09-28 | Gonzalez Eduardo B | Body structure and nozzle for enhancing the flow of drilling fluid in a rotary drill bit |
SU1046466A1 (ru) * | 1981-07-13 | 1983-10-07 | Vavrin Anton P | Буровое шарошечное долото |
US4784231A (en) * | 1987-08-07 | 1988-11-15 | Dresser Industries, Inc. | Extended drill bit nozzle having side discharge ports |
-
1986
- 1986-12-31 FR FR8618415A patent/FR2609099B1/fr not_active Expired
-
1987
- 1987-12-30 WO PCT/FR1987/000522 patent/WO1988005107A1/fr active IP Right Grant
- 1987-12-30 EP EP88900697A patent/EP0296208B1/de not_active Expired - Lifetime
- 1987-12-30 DE DE8888900697T patent/DE3778017D1/de not_active Expired - Fee Related
- 1987-12-30 US US07/257,308 patent/US4886131A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4886131A (en) | 1989-12-12 |
FR2609099B1 (fr) | 1989-12-08 |
DE3778017D1 (de) | 1992-05-07 |
WO1988005107A1 (fr) | 1988-07-14 |
FR2609099A1 (fr) | 1988-07-01 |
EP0296208A1 (de) | 1988-12-28 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
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ITF | It: translation for a ep patent filed |
Owner name: DE DOMINICIS & MAYER S.R.L. |
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