CA2405261A1 - Elargisseur d'avant-trou - Google Patents

Elargisseur d'avant-trou Download PDF

Info

Publication number
CA2405261A1
CA2405261A1 CA002405261A CA2405261A CA2405261A1 CA 2405261 A1 CA2405261 A1 CA 2405261A1 CA 002405261 A CA002405261 A CA 002405261A CA 2405261 A CA2405261 A CA 2405261A CA 2405261 A1 CA2405261 A1 CA 2405261A1
Authority
CA
Canada
Prior art keywords
sleeve
drive sub
sub
hole
opener
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
CA002405261A
Other languages
English (en)
Inventor
Donald A. Shipalesky
Richard G. Shipalesky
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.)
Direct Horizontal Drilling Inc
Original Assignee
Direct Horizontal Drilling 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 Direct Horizontal Drilling Inc filed Critical Direct Horizontal Drilling Inc
Priority to CA002405261A priority Critical patent/CA2405261A1/fr
Publication of CA2405261A1 publication Critical patent/CA2405261A1/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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters

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)
CA002405261A 2002-09-25 2002-09-25 Elargisseur d'avant-trou Abandoned CA2405261A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002405261A CA2405261A1 (fr) 2002-09-25 2002-09-25 Elargisseur d'avant-trou

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA002405261A CA2405261A1 (fr) 2002-09-25 2002-09-25 Elargisseur d'avant-trou

Publications (1)

Publication Number Publication Date
CA2405261A1 true CA2405261A1 (fr) 2004-03-25

Family

ID=32181869

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002405261A Abandoned CA2405261A1 (fr) 2002-09-25 2002-09-25 Elargisseur d'avant-trou

Country Status (1)

Country Link
CA (1) CA2405261A1 (fr)

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued