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GB2276105B - Cutter blades for rotary tubing tools - Google Patents

Cutter blades for rotary tubing tools

Info

Publication number
GB2276105B
GB2276105B GB9408735A GB9408735A GB2276105B GB 2276105 B GB2276105 B GB 2276105B GB 9408735 A GB9408735 A GB 9408735A GB 9408735 A GB9408735 A GB 9408735A GB 2276105 B GB2276105 B GB 2276105B
Authority
GB
United Kingdom
Prior art keywords
cutter blades
rotary tubing
tubing tools
tools
rotary
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
GB9408735A
Other versions
GB2276105A (en
GB9408735D0 (en
Inventor
Charles David Hailey
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.)
Individual
Original Assignee
Individual
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 US07/816,296 external-priority patent/US5242017A/en
Application filed by Individual filed Critical Individual
Publication of GB9408735D0 publication Critical patent/GB9408735D0/en
Publication of GB2276105A publication Critical patent/GB2276105A/en
Application granted granted Critical
Publication of GB2276105B publication Critical patent/GB2276105B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/002—Cutting, e.g. milling, a pipe with a cutter rotating along the circumference of the pipe
    • E21B29/005—Cutting, e.g. milling, a pipe with a cutter rotating along the circumference of the pipe with a radially-expansible cutter rotating inside the pipe, e.g. for cutting an annular window
    • 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
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure

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)
GB9408735A 1991-12-27 1994-05-03 Cutter blades for rotary tubing tools Expired - Fee Related GB2276105B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/816,296 US5242017A (en) 1991-12-27 1991-12-27 Cutter blades for rotary tubing tools
GB9211835A GB2262711B (en) 1991-12-27 1992-06-04 Cutter blades for rotary tubing tools

Publications (3)

Publication Number Publication Date
GB9408735D0 GB9408735D0 (en) 1994-06-22
GB2276105A GB2276105A (en) 1994-09-21
GB2276105B true GB2276105B (en) 1994-12-21

Family

ID=26300998

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9408735A Expired - Fee Related GB2276105B (en) 1991-12-27 1994-05-03 Cutter blades for rotary tubing tools

Country Status (1)

Country Link
GB (1) GB2276105B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431065A (en) * 1982-02-26 1984-02-14 Smith International, Inc. Underreamer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431065A (en) * 1982-02-26 1984-02-14 Smith International, Inc. Underreamer

Also Published As

Publication number Publication date
GB2276105A (en) 1994-09-21
GB9408735D0 (en) 1994-06-22

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Legal Events

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

Effective date: 20010604