CA2620711A1 - Trepan pour couteau cisaillant - Google Patents

Trepan pour couteau cisaillant Download PDF

Info

Publication number
CA2620711A1
CA2620711A1 CA002620711A CA2620711A CA2620711A1 CA 2620711 A1 CA2620711 A1 CA 2620711A1 CA 002620711 A CA002620711 A CA 002620711A CA 2620711 A CA2620711 A CA 2620711A CA 2620711 A1 CA2620711 A1 CA 2620711A1
Authority
CA
Canada
Prior art keywords
zone
cutters
majority
bit
backrake
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.)
Abandoned
Application number
CA002620711A
Other languages
English (en)
Inventor
Timothy P. Beaton
John James Herman
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.)
X-Treme Bits & Downhole Tooling Ltd
Original Assignee
X-Treme Bits & Downhole Tooling Ltd
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 X-Treme Bits & Downhole Tooling Ltd filed Critical X-Treme Bits & Downhole Tooling Ltd
Priority to CA002620711A priority Critical patent/CA2620711A1/fr
Publication of CA2620711A1 publication Critical patent/CA2620711A1/fr
Abandoned 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
    • E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements

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)
CA002620711A 2008-02-08 2008-02-08 Trepan pour couteau cisaillant Abandoned CA2620711A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002620711A CA2620711A1 (fr) 2008-02-08 2008-02-08 Trepan pour couteau cisaillant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002620711A CA2620711A1 (fr) 2008-02-08 2008-02-08 Trepan pour couteau cisaillant

Publications (1)

Publication Number Publication Date
CA2620711A1 true CA2620711A1 (fr) 2009-08-08

Family

ID=40940189

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002620711A Abandoned CA2620711A1 (fr) 2008-02-08 2008-02-08 Trepan pour couteau cisaillant

Country Status (1)

Country Link
CA (1) CA2620711A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110374514A (zh) * 2019-08-21 2019-10-25 中交天和机械设备制造有限公司 工程嵌岩钻孔用刀具

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110374514A (zh) * 2019-08-21 2019-10-25 中交天和机械设备制造有限公司 工程嵌岩钻孔用刀具

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued