E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/42
E21B 23/03 (2006.01)
Patent
CA 1267077
ABSTRACT OF THE DISCLOSURE A side pocket mandrel for use in well tubing. The mandrel has a body, having an open bore extending through the body in alignment with the well tubing, and a side pocket offset from the bore. A valve receptacle is formed in the side pocket of the mandrel. The body of the mandrel has a plurality of forged indentations. These indentations are axially spaced above the valve receptacle and extend into the side pocket for a distance sufficient to keep well tools from entering the valve receptacle. The indentations may also taper away from the valve receptacle.
540634
Benker Wilhelm E.
Holt James H. Jr.
Threadgill Max A.
Benker Wilhelm E.
Gowling Lafleur Henderson Llp
Holt James H. Jr.
Hughes Tool Company
Threadgill Max A.
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