CA1306245C - Drill bit with improved steerability - Google Patents

Drill bit with improved steerability

Info

Publication number
CA1306245C
CA1306245C CA000588595A CA588595A CA1306245C CA 1306245 C CA1306245 C CA 1306245C CA 000588595 A CA000588595 A CA 000588595A CA 588595 A CA588595 A CA 588595A CA 1306245 C CA1306245 C CA 1306245C
Authority
CA
Canada
Prior art keywords
gage
cutting
bit
drill bit
formation
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
CA000588595A
Other languages
English (en)
French (fr)
Inventor
Gordon A. Tibbitts
Mark L. Jones
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 CA1306245C publication Critical patent/CA1306245C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/064—Deflecting the direction of boreholes specially adapted drill bits therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
CA000588595A 1988-01-20 1989-01-19 Drill bit with improved steerability Expired - Lifetime CA1306245C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14629088A 1988-01-20 1988-01-20
US146,290 1988-01-20

Publications (1)

Publication Number Publication Date
CA1306245C true CA1306245C (en) 1992-08-11

Family

ID=22516689

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000588595A Expired - Lifetime CA1306245C (en) 1988-01-20 1989-01-19 Drill bit with improved steerability

Country Status (4)

Country Link
EP (1) EP0325272B1 (de)
AU (1) AU613142B2 (de)
CA (1) CA1306245C (de)
DE (1) DE68906166T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5161167A (en) * 1990-06-21 1992-11-03 Mitsubishi Denki Kabushiki Kaisha Semiconductor laser producing visible light
FR2743843B1 (fr) * 1996-01-24 1998-04-24 D A T C Diamond And Tungsten C Outil de forage, notamment pour la realisation de forages petroliers
FR2751372B1 (fr) * 1996-07-22 1998-12-04 Total Sa Outil de forage en relaxation
US5967247A (en) * 1997-09-08 1999-10-19 Baker Hughes Incorporated Steerable rotary drag bit with longitudinally variable gage aggressiveness
CN114427350B (zh) * 2020-09-23 2025-05-16 中国石油化工股份有限公司 用于破碎岩石的钻头

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2553701A (en) * 1949-09-16 1951-05-22 Willard F Comstock Well drilling bit
US3318400A (en) * 1965-03-31 1967-05-09 Exxon Production Research Co Hollow crown diamond bit
US3367430A (en) * 1966-08-24 1968-02-06 Christensen Diamond Prod Co Combination drill and reamer bit
CA948181A (en) * 1971-02-12 1974-05-28 Lionel Lavallee Diamond drills
US3978933A (en) * 1975-01-27 1976-09-07 Smith International, Inc. Bit-adjacent stabilizer and steel
US4176723A (en) * 1977-11-11 1979-12-04 DTL, Incorporated Diamond drill bit

Also Published As

Publication number Publication date
EP0325272B1 (de) 1993-04-28
DE68906166T2 (de) 1993-11-25
DE68906166D1 (de) 1993-06-03
AU2858589A (en) 1989-07-20
EP0325272A2 (de) 1989-07-26
EP0325272A3 (en) 1990-02-07
AU613142B2 (en) 1991-07-25

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Legal Events

Date Code Title Description
MKLA Lapsed