Method for preparing improved high temperature fracturing fluids
AssigneeSchlumberger Technology Corporation
InventorsDean Willberg, Michaela Nagl
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Abstract
The present invention related to a method for fracturing subterranean formations including the steps of (a) providing a water source; (b) adding a crosslinking agent to said water source; (c) adding a polymeric component to said water to create a fracturing fluid; (d) pumping said fracturing fluid into said formation. The fluid may contain an acrylamide-acrylate copolymer and any suitable number of additives. The additives are preferably combined with the water source to form an additive stream, to which the polymer is later added.
Claims25
A method for fracturing a subterranean formation comprising the steps of:
- (a) providing a water source;
- (b) adding a crosslinking agent to said water source;
- (c) adding a polymeric component to said water to create a fracturing fluid;
- (d) pumping said fracturing fluid into said formation.
A method for preparing a fracturing fluid comprising the steps of:
- (a) providing a water stream;
- (b) adding a titanium-based crosslinking agent into said water stream;
- (c) adding a surfactant into said water stream;
- (d) adding an acrylamide-based polymer to said stream to form a fracturing fluid.
A method for preparing a fracturing fluid comprising the steps of:
- (a) providing a water stream;
- (b) adding a surfactant into said water stream;
- (c) adding a titanium-based crosslinking agent into said water stream;
- (d) adding an acrylamide-based polymer to said stream to form a fracturing fluid.
A fracturing fluid having increased high temperature stability, said fluid prepared by a method comprising the steps of:
- (a) providing a water source;
- (b) adding a crosslinking agent to said water source;
- (c) adding a polymeric component to said water to create a fracturing fluid;
- (d) pumping said fracturing fluid into said formation.
Dependencies are inferred from the claim text.