ZA843898B - Drill rod and drilling apparatus - Google Patents

Drill rod and drilling apparatus

Info

Publication number
ZA843898B
ZA843898B ZA843898A ZA843898A ZA843898B ZA 843898 B ZA843898 B ZA 843898B ZA 843898 A ZA843898 A ZA 843898A ZA 843898 A ZA843898 A ZA 843898A ZA 843898 B ZA843898 B ZA 843898B
Authority
ZA
South Africa
Prior art keywords
drill rod
drilling apparatus
drilling
drill
rod
Prior art date
Application number
ZA843898A
Inventor
Will B Jamison
Harley G Pyles
Original Assignee
Consolidation Coal Co
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 Consolidation Coal Co filed Critical Consolidation Coal Co
Priority to ZA843898A priority Critical patent/ZA843898B/en
Publication of ZA843898B publication Critical patent/ZA843898B/en

Links

ZA843898A 1984-05-23 1984-05-23 Drill rod and drilling apparatus ZA843898B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA843898A ZA843898B (en) 1984-05-23 1984-05-23 Drill rod and drilling apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA843898A ZA843898B (en) 1984-05-23 1984-05-23 Drill rod and drilling apparatus

Publications (1)

Publication Number Publication Date
ZA843898B true ZA843898B (en) 1984-12-24

Family

ID=25577319

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA843898A ZA843898B (en) 1984-05-23 1984-05-23 Drill rod and drilling apparatus

Country Status (1)

Country Link
ZA (1) ZA843898B (en)

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