DE3577586D1 - EXCELLENT POLYCRISTALLINE DIAMOND MOUNTED IN A CHISEL BODY. - Google Patents

EXCELLENT POLYCRISTALLINE DIAMOND MOUNTED IN A CHISEL BODY.

Info

Publication number
DE3577586D1
DE3577586D1 DE8585102568T DE3577586T DE3577586D1 DE 3577586 D1 DE3577586 D1 DE 3577586D1 DE 8585102568 T DE8585102568 T DE 8585102568T DE 3577586 T DE3577586 T DE 3577586T DE 3577586 D1 DE3577586 D1 DE 3577586D1
Authority
DE
Germany
Prior art keywords
chisel body
diamond mounted
polycristalline
polycristalline diamond
chisel
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
Application number
DE8585102568T
Other languages
German (de)
Inventor
Jimmy L Carroll
Richard H Grappendorf
Alexander K Meskin
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 Christensen 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 Christensen Co filed Critical Eastman Christensen Co
Application granted granted Critical
Publication of DE3577586D1 publication Critical patent/DE3577586D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B10/46—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
    • 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
DE8585102568T 1984-03-16 1985-03-07 EXCELLENT POLYCRISTALLINE DIAMOND MOUNTED IN A CHISEL BODY. Expired - Lifetime DE3577586D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59036684A 1984-03-16 1984-03-16

Publications (1)

Publication Number Publication Date
DE3577586D1 true DE3577586D1 (en) 1990-06-13

Family

ID=24361960

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585102568T Expired - Lifetime DE3577586D1 (en) 1984-03-16 1985-03-07 EXCELLENT POLYCRISTALLINE DIAMOND MOUNTED IN A CHISEL BODY.

Country Status (5)

Country Link
EP (1) EP0154936B1 (en)
JP (1) JPS60212588A (en)
CA (1) CA1248939A (en)
DE (1) DE3577586D1 (en)
NO (1) NO167224C (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA864402B (en) * 1985-06-18 1987-02-25 De Beers Ind Diamond Abrasive tool
US4673044A (en) * 1985-08-02 1987-06-16 Eastman Christensen Co. Earth boring bit for soft to hard formations
GB2188354B (en) * 1986-03-27 1989-11-22 Shell Int Research Rotary drill bit
GB8907618D0 (en) * 1989-04-05 1989-05-17 Morrison Pumps Sa Drilling
GB2234542B (en) * 1989-08-04 1993-03-31 Reed Tool Co Improvements in or relating to cutting elements for rotary drill bits
GB9103828D0 (en) * 1991-02-23 1991-04-10 Brit Bit Limited Improvements relating to drill bits
CA2293276A1 (en) * 1997-07-15 1999-01-28 Ted R. Massa Rotatable cutting bit assembly with cutting inserts
US6109377A (en) * 1997-07-15 2000-08-29 Kennametal Inc. Rotatable cutting bit assembly with cutting inserts
US6176332B1 (en) 1998-12-31 2001-01-23 Kennametal Inc. Rotatable cutting bit assembly with cutting inserts
DE10236483A1 (en) * 2002-08-08 2004-02-19 Hilti Ag Hard material insert with polycrystalline diamond layer
US9056799B2 (en) 2010-11-24 2015-06-16 Kennametal Inc. Matrix powder system and composite materials and articles made therefrom
US20140183798A1 (en) 2012-12-28 2014-07-03 Smith International, Inc. Manufacture of cutting elements having lobes
AU2017207287A1 (en) 2016-01-13 2018-07-12 Schlumberger Technology B.V. Angled chisel insert
US10508503B2 (en) 2016-09-23 2019-12-17 Baker Hughes, A Ge Company, Llc Cutting elements, earth-boring tools including the cutting elements, and methods of forming the earth-boring tools

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3709308A (en) * 1970-12-02 1973-01-09 Christensen Diamond Prod Co Diamond drill bits
SU483863A1 (en) * 1973-01-03 1980-06-15 Всесоюзный Научно-Исследоваельский И Проектный Институт Тугоплавких Металлов И Твердых Сплавов Method of making diamond tool
JPS5382601A (en) * 1976-12-28 1978-07-21 Tokiwa Kogyo Kk Rotary grinding type excavation drill head
US4234048A (en) * 1978-06-12 1980-11-18 Christensen, Inc. Drill bits embodying impregnated segments

Also Published As

Publication number Publication date
EP0154936A3 (en) 1986-06-11
NO851019L (en) 1985-09-17
CA1248939A (en) 1989-01-17
EP0154936A2 (en) 1985-09-18
EP0154936B1 (en) 1990-05-09
NO167224B (en) 1991-07-08
JPS60212588A (en) 1985-10-24
NO167224C (en) 1991-10-16

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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