CPC Subgroup
E21B 19/15 Racking of rods in horizontal position; Handling between horizontal and vertical position
Full Title
Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables > Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole (E21B19/20, E21B19/22 take precedence) > Racking of rods in horizontal position; Handling between horizontal and vertical position
1 direct subcode
Child Classifications
Navigate with arrow keys, Enter to open