DE3852286D1 - Milling chisel with nozzles for drilling plastic formations. - Google Patents

Milling chisel with nozzles for drilling plastic formations.

Info

Publication number
DE3852286D1
DE3852286D1 DE3852286T DE3852286T DE3852286D1 DE 3852286 D1 DE3852286 D1 DE 3852286D1 DE 3852286 T DE3852286 T DE 3852286T DE 3852286 T DE3852286 T DE 3852286T DE 3852286 D1 DE3852286 D1 DE 3852286D1
Authority
DE
Germany
Prior art keywords
nozzles
milling chisel
drilling plastic
plastic formations
formations
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
Application number
DE3852286T
Other languages
German (de)
Other versions
DE3852286T2 (en
Inventor
Gordon A Tibbits
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.)
Baker Hughes Oilfield Operations LLC
Original Assignee
Eastman Teleco Co
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 Eastman Teleco Co filed Critical Eastman Teleco Co
Application granted granted Critical
Publication of DE3852286D1 publication Critical patent/DE3852286D1/en
Publication of DE3852286T2 publication Critical patent/DE3852286T2/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
    • E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5671—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts with chip breaking arrangements
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
DE3852286T 1987-10-13 1988-10-12 Milling chisel with nozzles for drilling plastic formations. Expired - Fee Related DE3852286T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10679387A 1987-10-13 1987-10-13

Publications (2)

Publication Number Publication Date
DE3852286D1 true DE3852286D1 (en) 1995-01-12
DE3852286T2 DE3852286T2 (en) 1995-06-22

Family

ID=22313280

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3852286T Expired - Fee Related DE3852286T2 (en) 1987-10-13 1988-10-12 Milling chisel with nozzles for drilling plastic formations.

Country Status (3)

Country Link
EP (1) EP0322347B1 (en)
CA (1) CA1302393C (en)
DE (1) DE3852286T2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5199511A (en) * 1991-09-16 1993-04-06 Baker-Hughes, Incorporated Drill bit and method for reducing formation fluid invasion and for improved drilling in plastic formations
GB9621216D0 (en) * 1996-10-11 1996-11-27 Camco Drilling Group Ltd Improvements in or relating to cutting structures for rotary drill bits
US6068072A (en) * 1998-02-09 2000-05-30 Diamond Products International, Inc. Cutting element
AUPQ302599A0 (en) * 1999-09-22 1999-10-21 Azuko Pty Ltd Drilling apparatus
CN107956426A (en) * 2017-12-07 2018-04-24 河南广度超硬材料有限公司 Mining special diamond drill bit and its operation principle
CN113898296B (en) * 2021-10-21 2023-11-10 湖南省矿宝精钻机械有限公司 Four-wing anti-blocking horizontal head type drag bit with ball

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1169386B (en) * 1959-11-05 1964-05-06 Europ De Turboforage Soc Wing chisel for earth drilling
GB1548499A (en) * 1977-05-17 1979-07-18 Shell Int Research Rotary drilling bit for deephole drilling and method of manufacturing the same
BE903059A (en) * 1985-08-13 1986-02-13 Diamant Boart Sa Tiered boring bit or tool - has high pressure nozzles angled to aid attack on jointed rock
GB2181173B (en) * 1985-10-01 1988-12-21 Nl Petroleum Prod Improvements in or relating to rotary drill bits
US4682663A (en) * 1986-02-18 1987-07-28 Reed Tool Company Mounting means for cutting elements in drag type rotary drill bit

Also Published As

Publication number Publication date
EP0322347B1 (en) 1994-11-30
DE3852286T2 (en) 1995-06-22
CA1302393C (en) 1992-06-02
EP0322347A1 (en) 1989-06-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee