Wells – Processes – Fluid flow causes pellet to block opening in wall of conduit
Patent
1987-04-30
1988-06-28
Massie, Jerome
Wells
Processes
Fluid flow causes pellet to block opening in wall of conduit
166281, E21B 3313
Patent
active
047532955
ABSTRACT:
An improved method for placing ball sealers (25) onto casing perforations (17) in a deviated wellbore (10) is disclosed. In this invention, a plurality of ball sealers (25) are introduced into the casing and are transported to the perforations at an interface (26) between two immiscible fluids; the first or leading fluid (21) having a density greater than the ball sealers and the second or trailing fluid (24) having a density greater than the ball sealers.
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"The Design of Buoyant Ball Sealer Treatments", by G. A. Gabriel and S. R. Erbstoesser, SPE Paper No. 13085; SPE Conference, Sep. 16-19, 1984.
Erbstoesser Steven R.
Gabriel Gerard A.
Cox Hubert E.
Delflache Marc L.
Exxon Production Research Company
Kisliuk Bruce M.
Lawson Gary D.
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