Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Patent
1980-12-30
1983-04-05
Novosad, Stephen J.
Wells
Processes
Perforating, weakening, bending or separating pipe at an...
166278, 166280, 166308, E21B 4304, E21B 43119, E21B 43267
Patent
active
043788459
ABSTRACT:
A novel sand control method is disclosed wherein high viscosity, high sand concentration, fracturing fluids are pumped through sets of vertically oriented perforations in borehole casings located in unconsolidated or loosely consolidated pay zones. Various techniques are utilized to insure that sand fills disposed on either side of the borehole casing cover and substantially overlap each borehole casing perforation set. Procedures are then followed to bring the well into production without washing out the sand fills in these areas, whereby the resulting perforation-sand fill configurations effectively control sand production from the treated zone.
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Medlin William L.
Mullins Lynn D.
Zumwalt Gary L.
Gilman Michael G.
Hager George W.
Huggett Charles A.
Mobil Oil Corporation
Novosad Stephen J.
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