AT195870B - Drill pipe connection, especially between drill collars - Google Patents

Drill pipe connection, especially between drill collars

Info

Publication number
AT195870B
AT195870B AT195870DA AT195870B AT 195870 B AT195870 B AT 195870B AT 195870D A AT195870D A AT 195870DA AT 195870 B AT195870 B AT 195870B
Authority
AT
Austria
Prior art keywords
drill
pipe connection
collars
drill pipe
drill collars
Prior art date
Application number
Other languages
German (de)
Inventor
Adolf Ing Mayerhofer
Original Assignee
Schoeller Bleckmann Stahlwerke
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 Schoeller Bleckmann Stahlwerke filed Critical Schoeller Bleckmann Stahlwerke
Application granted granted Critical
Publication of AT195870B publication Critical patent/AT195870B/en

Links

AT195870D 1956-06-29 1956-06-29 Drill pipe connection, especially between drill collars AT195870B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT195870T 1956-06-29

Publications (1)

Publication Number Publication Date
AT195870B true AT195870B (en) 1958-02-25

Family

ID=3667169

Family Applications (1)

Application Number Title Priority Date Filing Date
AT195870D AT195870B (en) 1956-06-29 1956-06-29 Drill pipe connection, especially between drill collars

Country Status (1)

Country Link
AT (1) AT195870B (en)

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