CA1111833A - Methode et dispositif d'agrandissement du diametre d'un forage - Google Patents

Methode et dispositif d'agrandissement du diametre d'un forage

Info

Publication number
CA1111833A
CA1111833A CA341,673A CA341673A CA1111833A CA 1111833 A CA1111833 A CA 1111833A CA 341673 A CA341673 A CA 341673A CA 1111833 A CA1111833 A CA 1111833A
Authority
CA
Canada
Prior art keywords
cutters
air
fluid
bore hole
pipe
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
Application number
CA341,673A
Other languages
English (en)
Inventor
Gary R. Johnson
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.)
Tri State Oil Tools Inc
Original Assignee
Tri State Oil Tools 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 Tri State Oil Tools Inc filed Critical Tri State Oil Tools Inc
Priority to CA341,673A priority Critical patent/CA1111833A/fr
Priority to CA380,474A priority patent/CA1125272A/fr
Priority to CA380,472A priority patent/CA1125270A/fr
Priority to CA380,475A priority patent/CA1125273A/fr
Priority to CA380,473A priority patent/CA1125271A/fr
Priority to CA380,476A priority patent/CA1125274A/fr
Application granted granted Critical
Publication of CA1111833A publication Critical patent/CA1111833A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
CA341,673A 1979-12-11 1979-12-11 Methode et dispositif d'agrandissement du diametre d'un forage Expired CA1111833A (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA341,673A CA1111833A (fr) 1979-12-11 1979-12-11 Methode et dispositif d'agrandissement du diametre d'un forage
CA380,474A CA1125272A (fr) 1979-12-11 1981-06-23 Trepan expansible pour elargir les forages
CA380,472A CA1125270A (fr) 1979-12-11 1981-06-23 Machine a elargir les forages
CA380,475A CA1125273A (fr) 1979-12-11 1981-06-23 Trepan pour elargir un forage
CA380,473A CA1125271A (fr) 1979-12-11 1981-06-23 Trepan expansible pour elargir les forages
CA380,476A CA1125274A (fr) 1979-12-11 1981-06-23 Trepan pour elargir un forage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA341,673A CA1111833A (fr) 1979-12-11 1979-12-11 Methode et dispositif d'agrandissement du diametre d'un forage

Publications (1)

Publication Number Publication Date
CA1111833A true CA1111833A (fr) 1981-11-03

Family

ID=4115809

Family Applications (1)

Application Number Title Priority Date Filing Date
CA341,673A Expired CA1111833A (fr) 1979-12-11 1979-12-11 Methode et dispositif d'agrandissement du diametre d'un forage

Country Status (1)

Country Link
CA (1) CA1111833A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4915181A (en) * 1987-12-14 1990-04-10 Jerome Labrosse Tubing bit opener

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4915181A (en) * 1987-12-14 1990-04-10 Jerome Labrosse Tubing bit opener

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Legal Events

Date Code Title Description
MKEX Expiry