ZA933440B - A method and apparatus for protecting underground drilling operations - Google Patents

A method and apparatus for protecting underground drilling operations

Info

Publication number
ZA933440B
ZA933440B ZA933440A ZA933440A ZA933440B ZA 933440 B ZA933440 B ZA 933440B ZA 933440 A ZA933440 A ZA 933440A ZA 933440 A ZA933440 A ZA 933440A ZA 933440 B ZA933440 B ZA 933440B
Authority
ZA
South Africa
Prior art keywords
drilling operations
underground drilling
protecting underground
protecting
operations
Prior art date
Application number
ZA933440A
Inventor
Paul Kingsley Lamberth
Original Assignee
Johannesburg Consolidated Inc
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 Johannesburg Consolidated Inc filed Critical Johannesburg Consolidated Inc
Publication of ZA933440B publication Critical patent/ZA933440B/en

Links

ZA933440A 1992-05-27 1993-05-18 A method and apparatus for protecting underground drilling operations ZA933440B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA923869 1992-05-27

Publications (1)

Publication Number Publication Date
ZA933440B true ZA933440B (en) 1995-02-17

Family

ID=25581712

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA933440A ZA933440B (en) 1992-05-27 1993-05-18 A method and apparatus for protecting underground drilling operations

Country Status (1)

Country Link
ZA (1) ZA933440B (en)

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