Nanomodified Polymer with Cement Hydration-Matching Polymerization Kinetics to Modify Cement for Wellbore Applications and Methods of Makin
AssigneeTS-NANO, Inc.
InventorsDaniel Heras Murcia, Usama Farid Kandil, John C. Stormont, Mahmoud Reda Taha
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Abstract
A nanomodified polyphenol-based-modified-cement with improved rheological, mechanical strength, eliminating shrinkage, reduced fluid loss, and enhanced durability and longevity for wellbore applications in the Oil & Gas industries, sub-surface storage facilities, geothermal energy systems and other fields, sub-surface storage facilities, geothermal energy systems and other fields.
Claims19
A nano-modified polymer cement slurry that mimics the hydration kinetics of cement while preventing gas migration through cement comprising:
- cement;
- a polymer mixed with said cement to form a polymer-cement slurry;
- said polymer comprising:
- (1) surface modified nanoparticles having surface functionalization adapted to improve the dispersion of said nanoparticles in said polymer-cement slurry;
- (2) surface modified nanoparticles having surface functionalization adapted to increase the surface tension of the said polymer-cement slurry to prevent gas migration;
- (3) surface modified nanoparticles having surface functionalization adapted to control the gelation time of said polymer-cement slurry by interfering with the cement hydration reaction;
- (4) surface modified nanoparticles having surface functionalization adapted to limit water loss by improving water retention of said polymer-cement slurry;
- (5) surface modified nanoparticles having surface functionalization adapted to reduce the shrinkage of said polymer-cement slurry;
- (6) surface modified nanoparticles having surface functionalization adapted to provide an external latent heat source that is activated at a predetermined time to initiate gelation of said polymer-cement slurry;
- (7) surface modified nanoparticles having surface functionalization adapted to provide electrical repulsion of said surface modified nanoparticles in said polymer-cement slurry;
- and
- (8) surface modified nanoparticles having surface functionalization adapted to improve the bonding of said polymer with said cement.
A nano-modified polymer cement slurry that mimics the hydration kinetics of cement to prevent gas migration through cement comprising:
- cement;
- a polymer mixed with said cement to form a polymer-cement slurry;
- said polymer comprising:
- (1) surface modified nanoparticles having surface functionalization adapted to improve the dispersion of said nanoparticles in said polymer-cement slurry;
- wherein surface functionalization is achieved by using (3-Glycidyloxypropyl) trimethoxysilane for said surface modified nanoparticles;
- (2) surface modified nanoparticles having surface functionalization adapted to increase the surface tension of the said polymer-cement slurry to prevent gas migration wherein surface functionalization is achieved by using aminopropyl-triethoxysilane to surface functionalize one or more of the following:
- silica nanoparticles, magnesium nanoparticles, and/or cellulose nano-particles;
- (3) surface modified nanoparticles having surface functionalization adapted to control the gelation time of said polymer-cement slurry by interfering with the cement hydration reaction;
- (4) surface modified nanoparticles having surface functionalization adapted to limit water loss by improving water retention of said polymer-cement slurry wherein said surface functionalization is achieved by using phosphonic to surface functionalize one or more of the following:
- zinc oxide nanoparticles and calcium aluminate nanoparticles;
- (5) surface modified nanoparticles having surface functionalization adapted to reduce shrinkage of said polymer-cement slurry wherein said surface functionalization is achieved by using silane-functionalized silica nanoparticles, and magnesium-oxide nanoparticles;
- (6) a surface modified nanoparticles having surface functionalization adapted to provide an external latent heat source that is activated at a predetermined time to initiate gelation of said polymer-cement slurry wherein said surface functionalization is achieved by using silane-functionalized silica nanoparticles, and magnesium-oxide nanoparticles;
- (7) surface modified nanoparticles having surface functionalization adapted to provide electrical repulsion of said surface modified nanoparticles in said polymer-cement slurry wherein said surface functionalization is achieved by using triethanolamine to surface functionalize one or more of the following:
- titanium oxide nanoparticles, silica nanoparticles, ferrite oxide nanoparticles and magnesium-oxide nanoparticles;
- and
- (8) surface modified nanoparticles having surface functionalization adapted to improve the bonding of said polymer with said cement wherein said surface functionalization is achieved by using polyacrylate and/or methyl methacrylate to surface functionalize one or more of the following:
- alumina nanoparticles, carbon nanotubes, graphene nanoparticles and/or clay nanoparticles.
Dependencies are inferred from the claim text.