GB2290813B - Nozzles - Google Patents
NozzlesInfo
- Publication number
- GB2290813B GB2290813B GB9511125A GB9511125A GB2290813B GB 2290813 B GB2290813 B GB 2290813B GB 9511125 A GB9511125 A GB 9511125A GB 9511125 A GB9511125 A GB 9511125A GB 2290813 B GB2290813 B GB 2290813B
- Authority
- GB
- United Kingdom
- Prior art keywords
- nozzles
- 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 - Fee Related
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
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
-
- 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
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)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9412917A GB9412917D0 (en) | 1994-06-28 | 1994-06-28 | Nozzles |
Publications (3)
Publication Number | Publication Date |
---|---|
GB9511125D0 GB9511125D0 (en) | 1995-07-26 |
GB2290813A GB2290813A (en) | 1996-01-10 |
GB2290813B true GB2290813B (en) | 1998-05-20 |
Family
ID=10757422
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9412917A Pending GB9412917D0 (en) | 1994-06-28 | 1994-06-28 | Nozzles |
GB9511125A Expired - Fee Related GB2290813B (en) | 1994-06-28 | 1995-06-01 | Nozzles |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB9412917A Pending GB9412917D0 (en) | 1994-06-28 | 1994-06-28 | Nozzles |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB9412917D0 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7694608B2 (en) | 2005-12-20 | 2010-04-13 | Smith International, Inc. | Method of manufacturing a matrix body drill bit |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4221271A (en) * | 1978-04-10 | 1980-09-09 | The Curators Of The University Of Missouri | Water jet cutting nozzle transition section |
US4285409A (en) * | 1979-06-28 | 1981-08-25 | Smith International, Inc. | Two cone bit with extended diamond cutters |
US4359115A (en) * | 1979-03-08 | 1982-11-16 | Construction De Materiels De Mines S.A. | Novel rotary drill bits and drilling process |
EP0197019A1 (en) * | 1985-04-04 | 1986-10-08 | Santrade Ltd. | Drill bit |
EP0272905A2 (en) * | 1986-12-24 | 1988-06-29 | Flowmole Corporation | Nozzle assembly for enlarging an inground passageway |
WO1988008070A1 (en) * | 1987-04-08 | 1988-10-20 | Flowdril Corporation | Fluid jet assisted cone-type drill bit assembly and method |
EP0335543A1 (en) * | 1988-03-18 | 1989-10-04 | Pilot Drilling Control Limited | Drilling apparatus |
US5469926A (en) * | 1994-04-22 | 1995-11-28 | Bor-Mor, Inc. | Directional boring drill bit blade |
-
1994
- 1994-06-28 GB GB9412917A patent/GB9412917D0/en active Pending
-
1995
- 1995-06-01 GB GB9511125A patent/GB2290813B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4221271A (en) * | 1978-04-10 | 1980-09-09 | The Curators Of The University Of Missouri | Water jet cutting nozzle transition section |
US4359115A (en) * | 1979-03-08 | 1982-11-16 | Construction De Materiels De Mines S.A. | Novel rotary drill bits and drilling process |
US4285409A (en) * | 1979-06-28 | 1981-08-25 | Smith International, Inc. | Two cone bit with extended diamond cutters |
EP0197019A1 (en) * | 1985-04-04 | 1986-10-08 | Santrade Ltd. | Drill bit |
EP0272905A2 (en) * | 1986-12-24 | 1988-06-29 | Flowmole Corporation | Nozzle assembly for enlarging an inground passageway |
WO1988008070A1 (en) * | 1987-04-08 | 1988-10-20 | Flowdril Corporation | Fluid jet assisted cone-type drill bit assembly and method |
EP0335543A1 (en) * | 1988-03-18 | 1989-10-04 | Pilot Drilling Control Limited | Drilling apparatus |
US5469926A (en) * | 1994-04-22 | 1995-11-28 | Bor-Mor, Inc. | Directional boring drill bit blade |
Also Published As
Publication number | Publication date |
---|---|
GB2290813A (en) | 1996-01-10 |
GB9511125D0 (en) | 1995-07-26 |
GB9412917D0 (en) | 1994-08-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20080601 |