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AU7288591A - Improved method and means for drilling - Google Patents

Improved method and means for drilling

Info

Publication number
AU7288591A
AU7288591A AU72885/91A AU7288591A AU7288591A AU 7288591 A AU7288591 A AU 7288591A AU 72885/91 A AU72885/91 A AU 72885/91A AU 7288591 A AU7288591 A AU 7288591A AU 7288591 A AU7288591 A AU 7288591A
Authority
AU
Australia
Prior art keywords
drilling
improved method
improved
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
AU72885/91A
Inventor
Werner Giehl
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU72885/91A priority Critical patent/AU7288591A/en
Publication of AU7288591A publication Critical patent/AU7288591A/en
Abandoned legal-status Critical Current

Links

AU72885/91A 1986-10-23 1991-03-13 Improved method and means for drilling Abandoned AU7288591A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU72885/91A AU7288591A (en) 1986-10-23 1991-03-13 Improved method and means for drilling

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPH8648 1986-10-23
AUPI2836 1987-07-02
AU72885/91A AU7288591A (en) 1986-10-23 1991-03-13 Improved method and means for drilling

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU80143/87A Division AU608544C (en) 1986-10-23 1987-10-23 Improved method and means for drilling

Publications (1)

Publication Number Publication Date
AU7288591A true AU7288591A (en) 1991-05-30

Family

ID=3755435

Family Applications (1)

Application Number Title Priority Date Filing Date
AU72885/91A Abandoned AU7288591A (en) 1986-10-23 1991-03-13 Improved method and means for drilling

Country Status (1)

Country Link
AU (1) AU7288591A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997000371A1 (en) * 1995-06-15 1997-01-03 Ian Graeme Rear Down hole hammer assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997000371A1 (en) * 1995-06-15 1997-01-03 Ian Graeme Rear Down hole hammer assembly
US6035953A (en) * 1995-06-15 2000-03-14 Rear; Ian Graeme Down hole hammer assembly

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