E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/52, 166/66
E21B 33/124 (2006.01) E21B 23/00 (2006.01) E21B 34/12 (2006.01)
Patent
CA 1300492
ABSTRACT OF THE DISCLOSURE Treating apparatus arranged to be positioned in well bores that includes a packer that is retrievable and resettable and that provides a spaced pair of sealing elements to isolate a zone in the well bore. A valve operable within the packer is moveable among positions wherein fluid can be circulated through the operations, an open position wherein the treating fluids can be injected into the zone to be treated, and a closed position wherein the selected zone can be sealed off.
574989
Greenlee Donald R.
Skinner Willie C. SR.
Dresser Industries Inc.
Greenlee Donald R.
Macrae & Co.
Skinner Willie C. SR.
LandOfFree
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