Wells – Processes – Separate steps of fracturing or attacking formation
Patent
1998-02-12
2000-06-06
Neuder, William
Wells
Processes
Separate steps of fracturing or attacking formation
166308, E21B 4326
Patent
active
060706643
ABSTRACT:
The present invention provides a method for reducing the amount of water produced from a subterranean formation as a result of stimulation of the subterranean formation. The method comprises the introduction of a first and second reactive polymer which leak-off into the formation and which are capable of subsequently reacting together to form a reaction product which selectively reduces the permeability of the formation to water flow through the formation. The reactive polymers react in situ to form a reaction product that binds to the formation in such a manner that the flow of water is selectively retarded through the matrix while the flow of oil is substantially unaffected.
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Dalrymple Eldon D.
Dusterhoft Ronald G.
Vitthal Sanjay
Wagner Albert L.
Halliburton Energy Services
Kent Robert A.
Neuder William
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