CA2001262C - Methode et appareil de forage de roche - Google Patents

Methode et appareil de forage de roche

Info

Publication number
CA2001262C
CA2001262C CA 2001262 CA2001262A CA2001262C CA 2001262 C CA2001262 C CA 2001262C CA 2001262 CA2001262 CA 2001262 CA 2001262 A CA2001262 A CA 2001262A CA 2001262 C CA2001262 C CA 2001262C
Authority
CA
Canada
Prior art keywords
drill
drills
forward end
rock
pressure fluid
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
CA 2001262
Other languages
English (en)
Other versions
CA2001262A1 (fr
Inventor
Archie Andrew Lennon
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Publication of CA2001262A1 publication Critical patent/CA2001262A1/fr
Application granted granted Critical
Publication of CA2001262C publication Critical patent/CA2001262C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
CA 2001262 1988-10-28 1989-10-23 Methode et appareil de forage de roche Expired - Fee Related CA2001262C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26401688A 1988-10-28 1988-10-28
US264,016 1994-06-22

Publications (2)

Publication Number Publication Date
CA2001262A1 CA2001262A1 (fr) 1990-04-28
CA2001262C true CA2001262C (fr) 1996-10-22

Family

ID=23004203

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2001262 Expired - Fee Related CA2001262C (fr) 1988-10-28 1989-10-23 Methode et appareil de forage de roche

Country Status (1)

Country Link
CA (1) CA2001262C (fr)

Also Published As

Publication number Publication date
CA2001262A1 (fr) 1990-04-28

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Legal Events

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