Side pocket mandrel

Details Side pocket mandrel Side pocket mandrel

E - Fixed Constructions

21

B

166/42

E21B 23/03 (2006.01) E21B 34/06 (2006.01) E21B 43/12 (2006.01)

Patent

CA 1272682

ABSTRACT OF THE DISCLOSURE In accordance with an illustrative embodiment of the present invention, a side pocket mandrel includes a tubular main body having an internal bore, a seating section welded to one end of said main body and having a main bore and a laterally offset seating bore opening to the exterior thereof, the axis of said seating bore being inclined at a small angle toward the axis of said main bore, said seating bore having a polish section at the outer end thereof and a latch shoulder adjacent the inner end of said polish section, and a gas flow opening communicating said seating bore with said main bore at a location inwardly of said polish section. A tubular member having an orienting sleeve therein is welded to said seating section in alignment with said main bore, and a swage nipple is welded to the opposite end of said main body. All of said welds are transverse to provide a high strength and compact mandrel assembly.

520773

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