E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/00 (2006.01)
Patent
CA 2111766
A one piece, flush round rod is disclosed. The rod is used for reciprocal action in a well casing in pumping fluids from a production well. The rod has two connectors, a female threaded socket at one end and a male threaded pin on the other end for facilitating the axial connection of a series of rods. The outside diameter of the connectable ends is no greater than the maximum diameter of the rod itself.
Gibbons John Robert
Gowling Lafleur Henderson Llp
LandOfFree
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