AU2002338738A1 - Percussion drilling head - Google Patents

Percussion drilling head

Info

Publication number
AU2002338738A1
AU2002338738A1 AU2002338738A AU2002338738A AU2002338738A1 AU 2002338738 A1 AU2002338738 A1 AU 2002338738A1 AU 2002338738 A AU2002338738 A AU 2002338738A AU 2002338738 A AU2002338738 A AU 2002338738A AU 2002338738 A1 AU2002338738 A1 AU 2002338738A1
Authority
AU
Australia
Prior art keywords
drilling head
percussion drilling
percussion
head
drilling
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
AU2002338738A
Inventor
Petrus Cornelis Kriesels
Djurre Hans Zijsling
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of AU2002338738A1 publication Critical patent/AU2002338738A1/en
Abandoned legal-status Critical Current

Links

AU2002338738A 2001-09-20 2002-09-19 Percussion drilling head Abandoned AU2002338738A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01308019.7 2001-09-20

Publications (1)

Publication Number Publication Date
AU2002338738A1 true AU2002338738A1 (en) 2003-04-01

Family

ID=

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