GB8822912D0 - Drill bit equipped with vortex nozzles & vortex nozzle for use in bit - Google Patents

Drill bit equipped with vortex nozzles & vortex nozzle for use in bit

Info

Publication number
GB8822912D0
GB8822912D0 GB888822912A GB8822912A GB8822912D0 GB 8822912 D0 GB8822912 D0 GB 8822912D0 GB 888822912 A GB888822912 A GB 888822912A GB 8822912 A GB8822912 A GB 8822912A GB 8822912 D0 GB8822912 D0 GB 8822912D0
Authority
GB
United Kingdom
Prior art keywords
vortex
bit
nozzles
drill bit
nozzle
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.)
Granted
Application number
GB888822912A
Other versions
GB2224054B (en
GB2224054A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Priority to GB8822912A priority Critical patent/GB2224054B/en
Publication of GB8822912D0 publication Critical patent/GB8822912D0/en
Publication of GB2224054A publication Critical patent/GB2224054A/en
Application granted granted Critical
Publication of GB2224054B publication Critical patent/GB2224054B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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 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
    • 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
GB8822912A 1988-09-29 1988-09-29 Drill bit equipped with vortex nozzles and vortex nozzle for use in the bit Expired - Fee Related GB2224054B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8822912A GB2224054B (en) 1988-09-29 1988-09-29 Drill bit equipped with vortex nozzles and vortex nozzle for use in the bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8822912A GB2224054B (en) 1988-09-29 1988-09-29 Drill bit equipped with vortex nozzles and vortex nozzle for use in the bit

Publications (3)

Publication Number Publication Date
GB8822912D0 true GB8822912D0 (en) 1988-11-02
GB2224054A GB2224054A (en) 1990-04-25
GB2224054B GB2224054B (en) 1992-06-03

Family

ID=10644477

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8822912A Expired - Fee Related GB2224054B (en) 1988-09-29 1988-09-29 Drill bit equipped with vortex nozzles and vortex nozzle for use in the bit

Country Status (1)

Country Link
GB (1) GB2224054B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59207154D1 (en) * 1991-05-06 1996-10-24 Wave Tec Gmbh Device for cleaning the zone near the borehole
DE59201436D1 (en) * 1991-05-06 1995-03-30 Wave Tec Gmbh Core drill bit with hydrodynamic core destruction.
DE59207153D1 (en) * 1991-05-06 1996-10-24 Wave Tec Gmbh Drill bits
FR2681372B1 (en) * 1991-09-16 1998-07-17 Total Sa DIVERGENT DUSE FOR A DRILLING TOOL, AND TOOL USING SUCH A DUSE.
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
US5862871A (en) * 1996-02-20 1999-01-26 Ccore Technology & Licensing Limited, A Texas Limited Partnership Axial-vortex jet drilling system and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4533005A (en) * 1983-11-21 1985-08-06 Strata Bit Corporation Adjustable nozzle
US4687066A (en) * 1986-01-15 1987-08-18 Varel Manufacturing Company Rock bit circulation nozzle
US4739845A (en) * 1987-02-03 1988-04-26 Strata Bit Corporation Nozzle for rotary bit

Also Published As

Publication number Publication date
GB2224054B (en) 1992-06-03
GB2224054A (en) 1990-04-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050929