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US 2024/0182773 A1Published application
Porous polyurethane for consolidation of material in subterranean formations
AssigneeSaudi Arabian Oil Company
InventorsWenwen Li, Fakuen Frank Chang, Feng Liang
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Abstract
A method and a system for consolidating a subterranean formation are provided. An exemplary method includes injecting a water-in-oil emulsion into an unconsolidated subterranean formation, wherein the water-in-oil emulsion includes comonomers in an oil phase to form a polyurethane resin, and a catalyst in an aqueous phase. The method also includes allowing the polyurethane resin to cure to form a porous polymeric network.
Claims19
A composition for treating an unconsolidated subterranean formation, comprising a water-in-oil emulsion, wherein the water-in-oil emulsion comprises:
- an oil phase comprising less than 50% by volume of the water-in-oil emulsion,
- wherein the oil phase comprises:
- a polyol compound;
- a polyisocyanate compound;
- and
- an oil soluble emulsifier;
- and
- an aqueous phase comprising greater than 50% by volume of the water-in-oil emulsion, wherein the aqueous phase comprises:
- water;
- and
- a catalyst.
8 more elements
Dependencies are inferred from the claim text.