CA2007610C - Marteaux fond-de-trou utilisant du fluide d'entrainement use a des fins de balayage - Google Patents

Marteaux fond-de-trou utilisant du fluide d'entrainement use a des fins de balayage

Info

Publication number
CA2007610C
CA2007610C CA 2007610 CA2007610A CA2007610C CA 2007610 C CA2007610 C CA 2007610C CA 2007610 CA2007610 CA 2007610 CA 2007610 A CA2007610 A CA 2007610A CA 2007610 C CA2007610 C CA 2007610C
Authority
CA
Canada
Prior art keywords
hammer
chamber
piston
valve
casing
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 - Lifetime
Application number
CA 2007610
Other languages
English (en)
Other versions
CA2007610A1 (fr
Inventor
Per Gustafsson
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.)
G-DRILL AB
Original Assignee
G-DRILL AB
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 G-DRILL AB filed Critical G-DRILL AB
Priority to CA 2007610 priority Critical patent/CA2007610C/fr
Publication of CA2007610A1 publication Critical patent/CA2007610A1/fr
Application granted granted Critical
Publication of CA2007610C publication Critical patent/CA2007610C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
CA 2007610 1990-01-11 1990-01-11 Marteaux fond-de-trou utilisant du fluide d'entrainement use a des fins de balayage Expired - Lifetime CA2007610C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2007610 CA2007610C (fr) 1990-01-11 1990-01-11 Marteaux fond-de-trou utilisant du fluide d'entrainement use a des fins de balayage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2007610 CA2007610C (fr) 1990-01-11 1990-01-11 Marteaux fond-de-trou utilisant du fluide d'entrainement use a des fins de balayage

Publications (2)

Publication Number Publication Date
CA2007610A1 CA2007610A1 (fr) 1991-07-11
CA2007610C true CA2007610C (fr) 1999-01-26

Family

ID=4143998

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2007610 Expired - Lifetime CA2007610C (fr) 1990-01-11 1990-01-11 Marteaux fond-de-trou utilisant du fluide d'entrainement use a des fins de balayage

Country Status (1)

Country Link
CA (1) CA2007610C (fr)

Also Published As

Publication number Publication date
CA2007610A1 (fr) 1991-07-11

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry