AU8962891A - Underground drilling - Google Patents

Underground drilling

Info

Publication number
AU8962891A
AU8962891A AU89628/91A AU8962891A AU8962891A AU 8962891 A AU8962891 A AU 8962891A AU 89628/91 A AU89628/91 A AU 89628/91A AU 8962891 A AU8962891 A AU 8962891A AU 8962891 A AU8962891 A AU 8962891A
Authority
AU
Australia
Prior art keywords
underground drilling
underground
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
AU89628/91A
Inventor
Arthur Percival Roy Roberts
Pieter Jacobus van der Merwe
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
Publication of AU8962891A publication Critical patent/AU8962891A/en
Abandoned legal-status Critical Current

Links

AU89628/91A 1990-12-17 1991-12-11 Underground drilling Abandoned AU8962891A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ZA90/10098 1990-12-17
ZA9010098 1990-12-17
ZA914672 1991-06-18
ZA91/4672 1991-06-18

Publications (1)

Publication Number Publication Date
AU8962891A true AU8962891A (en) 1992-06-18

Family

ID=27141663

Family Applications (1)

Application Number Title Priority Date Filing Date
AU89628/91A Abandoned AU8962891A (en) 1990-12-17 1991-12-11 Underground drilling

Country Status (1)

Country Link
AU (1) AU8962891A (en)

Similar Documents

Publication Publication Date Title
AU5290890A (en) Drilling
AU4335693A (en) Downhole tools
AU7582194A (en) Rock drilling device
AU6662094A (en) Rock drilling machine
GB9025444D0 (en) Drilling wells
AU3214489A (en) Drill
AU9130091A (en) Drill bit
AU673275B2 (en) Borehole detector
AU8132791A (en) Excavation tool
AU5444890A (en) Mobile drilling rig
AU2837792A (en) Hole digger
AU642316B2 (en) Rock bolting device
AU7822591A (en) Treating an underground formation
AU629104B2 (en) Excavation tool
AU5916690A (en) Packer
AU6926891A (en) Cutting string
AU4012693A (en) Drill pipe
AU8927691A (en) Rock bolt
AU2923092A (en) Downhole tool
AU8962891A (en) Underground drilling
AU630660B2 (en) Rock anchor
AU8382091A (en) Shearer
AU1692792A (en) Borehole plug
GB9200296D0 (en) Drill assembly
ZA919697B (en) Underground drilling