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US 2011/0257050 A1Published application
Dry blend fracturing fluid additives
AssigneeSchlumberger Technology Corporation
InventorsMarie Noelle Dessinges, Jean-Louis Pessin
Life of this patent
Estimating the term…
Abstract
A method and composition for crosslinking a polymer based fluid includes providing a dry blend of crosslinker and delay agent. The crosslinker and delay agent are mixed and granulated in a dry form prior to addition to the polymer fluid.
Claims23
1-22. (canceled)
A polymer fluid with delayed crosslinking, comprising:
- (a) a crosslinker;
- and
- (b) a delay agent selected from the group consisting of polyols, sodium gluconate, sorbitol, carbonate salts, and combinations thereof;
- wherein the crosslinker and the delay agent are a dry, granulated compound.
1 more element
A method of forming a fluid comprising a fluid additive having utility for addition to a polymer fluid for delayed crosslinking, comprising:
- a) providing a fluid comprising a polymer;
- b) providing a fluid additive comprising:
- i) a dry crosslinker;
- and
- ii) a dry component selected from the group consisting of a delay agent and a crosslinker activator;
- wherein the dry crosslinker and the dry component are single compound granules.
3 more elements
A method for delayed crosslinking a polymeric fracturing fluid comprising the steps of:
- a) providing a fluid comprising a polymer;
- b) providing a fluid additive comprising:
- i) a crosslinker;
- and
- ii) a delay agent;
- wherein the crosslinker and the delay agent are a dry, granulated compound;
- and
- c) mixing the fluid additive and the fluid.
5 more elements
Dependencies are inferred from the claim text.