ZA73686B - Primary transfer sub for dual concentric drillpipe - Google Patents

Primary transfer sub for dual concentric drillpipe

Info

Publication number
ZA73686B
ZA73686B ZA730686A ZA73686A ZA73686B ZA 73686 B ZA73686 B ZA 73686B ZA 730686 A ZA730686 A ZA 730686A ZA 73686 A ZA73686 A ZA 73686A ZA 73686 B ZA73686 B ZA 73686B
Authority
ZA
South Africa
Prior art keywords
drillpipe
primary transfer
transfer sub
dual concentric
concentric
Prior art date
Application number
ZA730686A
Inventor
H Chapman
Original Assignee
H Chapman
Can Tex Drilling And Explorati
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 H Chapman, Can Tex Drilling And Explorati filed Critical H Chapman
Priority to ZA730686A priority Critical patent/ZA73686B/en
Publication of ZA73686B publication Critical patent/ZA73686B/en

Links

ZA730686A 1973-01-30 1973-01-30 Primary transfer sub for dual concentric drillpipe ZA73686B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA730686A ZA73686B (en) 1973-01-30 1973-01-30 Primary transfer sub for dual concentric drillpipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA730686A ZA73686B (en) 1973-01-30 1973-01-30 Primary transfer sub for dual concentric drillpipe

Publications (1)

Publication Number Publication Date
ZA73686B true ZA73686B (en) 1974-04-24

Family

ID=25565901

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA730686A ZA73686B (en) 1973-01-30 1973-01-30 Primary transfer sub for dual concentric drillpipe

Country Status (1)

Country Link
ZA (1) ZA73686B (en)

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