NO179954C - Anordning ved borekrone - Google Patents

Anordning ved borekrone

Info

Publication number
NO179954C
NO179954C NO942101A NO942101A NO179954C NO 179954 C NO179954 C NO 179954C NO 942101 A NO942101 A NO 942101A NO 942101 A NO942101 A NO 942101A NO 179954 C NO179954 C NO 179954C
Authority
NO
Norway
Prior art keywords
drill bit
drill
bit
Prior art date
Application number
NO942101A
Other languages
English (en)
Other versions
NO942101L (no
NO179954B (no
NO942101D0 (no
Inventor
Tor Berge Gjersvik
Original Assignee
Lyng Drilling Products As
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 Lyng Drilling Products As filed Critical Lyng Drilling Products As
Priority to NO942101A priority Critical patent/NO179954C/no
Publication of NO942101D0 publication Critical patent/NO942101D0/no
Priority to PCT/NO1995/000090 priority patent/WO1995033911A1/en
Publication of NO942101L publication Critical patent/NO942101L/no
Publication of NO179954B publication Critical patent/NO179954B/no
Publication of NO179954C publication Critical patent/NO179954C/no

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
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1092—Gauge section of drill bits
NO942101A 1994-06-07 1994-06-07 Anordning ved borekrone NO179954C (no)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NO942101A NO179954C (no) 1994-06-07 1994-06-07 Anordning ved borekrone
PCT/NO1995/000090 WO1995033911A1 (en) 1994-06-07 1995-06-01 Drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO942101A NO179954C (no) 1994-06-07 1994-06-07 Anordning ved borekrone

Publications (4)

Publication Number Publication Date
NO942101D0 NO942101D0 (no) 1994-06-07
NO942101L NO942101L (no) 1995-12-08
NO179954B NO179954B (no) 1996-10-07
NO179954C true NO179954C (no) 1997-01-15

Family

ID=19897150

Family Applications (1)

Application Number Title Priority Date Filing Date
NO942101A NO179954C (no) 1994-06-07 1994-06-07 Anordning ved borekrone

Country Status (2)

Country Link
NO (1) NO179954C (no)
WO (1) WO1995033911A1 (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9505783D0 (en) * 1995-03-22 1995-05-10 Camco Drilling Group Ltd Improvements in or relating to rotary drill bits
US6394202B2 (en) * 1999-06-30 2002-05-28 Smith International, Inc. Drill bit having diamond impregnated inserts primary cutting structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1265071A (no) * 1969-04-30 1972-03-01
FR2231845A1 (en) * 1973-06-01 1974-12-27 Shell Int Research Diamond drill bit - with single row of diamonds along each mud channel
US4109737A (en) * 1976-06-24 1978-08-29 General Electric Company Rotary drill bit
ZA806249B (en) * 1979-11-19 1982-01-27 Gen Electric Compacts for diamond drill and saw applications
GB8405267D0 (en) * 1984-02-29 1984-04-04 Shell Int Research Rotary drill bit

Also Published As

Publication number Publication date
NO942101L (no) 1995-12-08
WO1995033911A1 (en) 1995-12-14
NO179954B (no) 1996-10-07
NO942101D0 (no) 1994-06-07

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