DE3481435D1 - TOOTH DESIGN WITH THE USE OF CYLINDRICAL DIAMOND CUTTING ELEMENTS. - Google Patents

TOOTH DESIGN WITH THE USE OF CYLINDRICAL DIAMOND CUTTING ELEMENTS.

Info

Publication number
DE3481435D1
DE3481435D1 DE8484102985T DE3481435T DE3481435D1 DE 3481435 D1 DE3481435 D1 DE 3481435D1 DE 8484102985 T DE8484102985 T DE 8484102985T DE 3481435 T DE3481435 T DE 3481435T DE 3481435 D1 DE3481435 D1 DE 3481435D1
Authority
DE
Germany
Prior art keywords
cutting elements
diamond cutting
tooth design
cylindrical diamond
cylindrical
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
DE8484102985T
Other languages
German (de)
Inventor
Alexander K Meskin
Clifford R Pay
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 DE3481435D1 publication Critical patent/DE3481435D1/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
DE8484102985T 1983-03-21 1984-03-19 TOOTH DESIGN WITH THE USE OF CYLINDRICAL DIAMOND CUTTING ELEMENTS. Expired - Lifetime DE3481435D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47706883A 1983-03-21 1983-03-21

Publications (1)

Publication Number Publication Date
DE3481435D1 true DE3481435D1 (en) 1990-04-05

Family

ID=23894393

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484102985T Expired - Lifetime DE3481435D1 (en) 1983-03-21 1984-03-19 TOOTH DESIGN WITH THE USE OF CYLINDRICAL DIAMOND CUTTING ELEMENTS.

Country Status (7)

Country Link
EP (1) EP0119620B1 (en)
JP (1) JPS6016692A (en)
AU (1) AU2568884A (en)
BR (1) BR8401280A (en)
CA (1) CA1218355A (en)
DE (1) DE3481435D1 (en)
ZA (1) ZA842109B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86100885A (en) * 1985-01-25 1986-08-20 诺顿-克里斯坦森公司 A kind of improved groove chipping type bit
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
US8485283B2 (en) 2007-09-05 2013-07-16 Groupe Fordia Inc. Drill bit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5382601A (en) * 1976-12-28 1978-07-21 Tokiwa Kogyo Kk Rotary grinding type excavation drill head
US4351401A (en) * 1978-06-08 1982-09-28 Christensen, Inc. Earth-boring drill bits
US4373593A (en) * 1979-03-16 1983-02-15 Christensen, Inc. Drill bit
DE3114749C2 (en) * 1981-04-11 1983-10-27 Christensen, Inc., 84115 Salt Lake City, Utah Wedge-shaped cutting link for rotary drill bits for deep drilling
US4529047A (en) * 1983-02-24 1985-07-16 Norton Christensen, Inc. Cutting tooth and a rotating bit having a fully exposed polycrystalline diamond element

Also Published As

Publication number Publication date
AU2568884A (en) 1984-09-27
ZA842109B (en) 1984-11-28
EP0119620A3 (en) 1986-02-12
EP0119620A2 (en) 1984-09-26
EP0119620B1 (en) 1990-02-28
BR8401280A (en) 1984-10-30
CA1218355A (en) 1987-02-24
JPS6016692A (en) 1985-01-28

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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