DE69007310D1 - Bohrkrone mit Kraftausgleich. - Google Patents

Bohrkrone mit Kraftausgleich.

Info

Publication number
DE69007310D1
DE69007310D1 DE90301870T DE69007310T DE69007310D1 DE 69007310 D1 DE69007310 D1 DE 69007310D1 DE 90301870 T DE90301870 T DE 90301870T DE 69007310 T DE69007310 T DE 69007310T DE 69007310 D1 DE69007310 D1 DE 69007310D1
Authority
DE
Germany
Prior art keywords
drill bit
force compensation
compensation
force
drill
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
DE90301870T
Other languages
English (en)
Other versions
DE69007310T2 (de
Inventor
James Ford Brett
Tommy Melvin Warren
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.)
BP Corp North America Inc
Original Assignee
BP Corp North America Inc
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 BP Corp North America Inc filed Critical BP Corp North America Inc
Publication of DE69007310D1 publication Critical patent/DE69007310D1/de
Application granted granted Critical
Publication of DE69007310T2 publication Critical patent/DE69007310T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0032Arrangements for preventing or isolating vibrations in parts of the machine
    • B23Q11/0035Arrangements for preventing or isolating vibrations in parts of the machine by adding or adjusting a mass, e.g. counterweights
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/004Measuring arrangements characterised by the use of mechanical techniques for measuring coordinates of points
    • G01B5/008Measuring arrangements characterised by the use of mechanical techniques for measuring coordinates of points using coordinate measuring machines
DE69007310T 1989-02-21 1990-02-21 Bohrkrone mit Kraftausgleich. Expired - Fee Related DE69007310T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31312689A 1989-02-21 1989-02-21

Publications (2)

Publication Number Publication Date
DE69007310D1 true DE69007310D1 (de) 1994-04-21
DE69007310T2 DE69007310T2 (de) 1994-10-20

Family

ID=23214496

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69007310T Expired - Fee Related DE69007310T2 (de) 1989-02-21 1990-02-21 Bohrkrone mit Kraftausgleich.

Country Status (8)

Country Link
US (1) US5131478A (de)
EP (1) EP0384734B1 (de)
CN (1) CN1042252C (de)
CA (1) CA1333282C (de)
DE (1) DE69007310T2 (de)
EG (1) EG19015A (de)
NO (1) NO179592C (de)
RU (1) RU2092671C1 (de)

Families Citing this family (123)

* Cited by examiner, † Cited by third party
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US5439067B1 (en) * 1994-08-08 1997-03-04 Dresser Ind Rock bit with enhanced fluid return area
US5439068B1 (en) * 1994-08-08 1997-01-14 Dresser Ind Modular rotary drill bit
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US5549171A (en) * 1994-08-10 1996-08-27 Smith International, Inc. Drill bit with performance-improving cutting structure
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US5592996A (en) * 1994-10-03 1997-01-14 Smith International, Inc. Drill bit having improved cutting structure with varying diamond density
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Also Published As

Publication number Publication date
EP0384734A1 (de) 1990-08-29
NO900814L (no) 1990-08-22
RU2092671C1 (ru) 1997-10-10
CA1333282C (en) 1994-11-29
US5131478A (en) 1992-07-21
EG19015A (en) 1994-07-30
DE69007310T2 (de) 1994-10-20
NO179592C (no) 1996-11-06
NO900814D0 (no) 1990-02-20
NO179592B (no) 1996-07-29
EP0384734B1 (de) 1994-03-16
CN1045147A (zh) 1990-09-05
CN1042252C (zh) 1999-02-24

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Legal Events

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8339 Ceased/non-payment of the annual fee