E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/18
E21B 33/124 (2006.01)
Patent
CA 1093460
PLACEMENT APPARATUS FOR LOW DENSITY BALL SEALERS ABSTRACT OF THE DISCLOSURE An apparatus and method for the selective placement of ball sealers for fluid treatment of a well, said ball sealers having a density less than the density of said fluid comprising a tubular member, means on said tubular member for positioning said apparatus in said well casing and means on said tubular member for deploying and blocking said well casing to prevent upward movement of said ball sealers past said apparatus. -1-
322090
Erbstoesser Steven R.
Stokley Charles O.
Borden Ladner Gervais Llp
Exxon Production Research Company
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