GB8527556D0 - Drill bit - Google Patents

Drill bit

Info

Publication number
GB8527556D0
GB8527556D0 GB858527556A GB8527556A GB8527556D0 GB 8527556 D0 GB8527556 D0 GB 8527556D0 GB 858527556 A GB858527556 A GB 858527556A GB 8527556 A GB8527556 A GB 8527556A GB 8527556 D0 GB8527556 D0 GB 8527556D0
Authority
GB
United Kingdom
Prior art keywords
drill bit
drill
bit
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.)
Granted
Application number
GB858527556A
Other versions
GB2182692B (en
GB2182692A (en
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.)
SPIRAL DRILLING SYSTEMS Inc
Original Assignee
SPIRAL DRILLING SYSTEMS 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
Priority claimed from US06/626,237 external-priority patent/US4552232A/en
Application filed by SPIRAL DRILLING SYSTEMS Inc filed Critical SPIRAL DRILLING SYSTEMS Inc
Priority to GB08527556A priority Critical patent/GB2182692B/en
Publication of GB8527556D0 publication Critical patent/GB8527556D0/en
Publication of GB2182692A publication Critical patent/GB2182692A/en
Priority to GB8822256A priority patent/GB2208672B/en
Application granted granted Critical
Publication of GB2182692B publication Critical patent/GB2182692B/en
Expired 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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/16—Roller bits characterised by tooth form or arrangement
    • 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
    • E21B10/08—Roller bits
    • E21B10/10—Roller bits with roller axle supported at both ends
    • 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
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
GB08527556A 1984-06-29 1985-11-08 Drill bit with full offset cutter bodies Expired GB2182692B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB08527556A GB2182692B (en) 1984-06-29 1985-11-08 Drill bit with full offset cutter bodies
GB8822256A GB2208672B (en) 1984-06-29 1988-09-21 Drill bit with full offset cutter bodies

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/626,237 US4552232A (en) 1984-06-29 1984-06-29 Drill-bit with full offset cutter bodies
GB08527556A GB2182692B (en) 1984-06-29 1985-11-08 Drill bit with full offset cutter bodies

Publications (3)

Publication Number Publication Date
GB8527556D0 true GB8527556D0 (en) 1985-12-11
GB2182692A GB2182692A (en) 1987-05-20
GB2182692B GB2182692B (en) 1989-10-04

Family

ID=26289983

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08527556A Expired GB2182692B (en) 1984-06-29 1985-11-08 Drill bit with full offset cutter bodies

Country Status (1)

Country Link
GB (1) GB2182692B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9428965B2 (en) * 2013-09-17 2016-08-30 Kevin Dewayne Jones Subsurface drilling tool

Also Published As

Publication number Publication date
GB2182692B (en) 1989-10-04
GB2182692A (en) 1987-05-20

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20031108