摘要 |
A drill pipe (1), particularly for a drill string, has at least one electrical conductor (4, 7, 8, 9) and an inner pipe (2) which is arranged inside the drill pipe (1). The drill pipe (1) and the inner pipe (2) are spaced at a distance to one another in sections, wherein the drill pipe (1) and inner pipe (2) bound a hollow space (3). At least one electrical conductor (4, 7, 8, 9) is arranged on one outer side of the inner pipe. |
申请人 |
THINK AND VISION GMBH |
发明人 |
SCHEIBELMASSER, ANTON;LAMIK-THONHAUSER, BOUCHRA;KOTOV, ANTON;KORAK, MICHAEL;JUD, JOHANN;GUTSCHELHOFER, MANFRED;FINE, ALEXANDER |