Polymeric metal crosslinker for shear tolerant fracturing fluid application

Patent metadata

Field	Value
Publication number	US-10215008-B2
Application number	US-201415504611-A
Country	US
Kind code	B2
Filing date	Sep 24, 2014
Priority date	Sep 24, 2014
Publication date	Feb 26, 2019
Grant date	Feb 26, 2019

Abstract

A method of treating a subterranean formation includes introducing a viscosified treatment fluid into a subterranean formation, the treatment fluid including an aqueous fluid, a gelling agent, and a crosslinker including a copolymer with an interpenetrating monomer and organic bound metal ions. A composition includes an aqueous fluid, a gelling agent; and a crosslinker including a copolymer with an interpenetrating monomer and organic bound metal ions.

First claim

What is claimed is:

1. A method of treating a subterranean formation, comprising:
providing a fluid comprising:
an aqueous fluid;
a gelling agent; and
a copolymer crosslinker comprising an organometallic monomer and a monomer comprising a vinyl group, wherein the organometallic monomer comprises a metal selected from the group consisting of aluminum, antimony, zirconium, magnesium, titanium, chromium, and combinations thereof;

crosslinking the gelling agent with the copolymer crosslinker to form a treatment fluid; and
introducing the treatment fluid into a subterranean formation;
wherein the copolymer crosslinker has one of Structure 1 or Structure 2:

wherein in Structure 1, M is the selected metal and R is C n H( n+2 ), where n is an integer; and
wherein in Structure 2, M is the selected metal and R 1 and R 2 are each selected from Cl, Br or OCH 3 .

2. The method of claim 1 , wherein the monomer comprising a vinyl group is selected from the group consisting of: an acrylamide, a 2-acrylamido-2-methyl propane sulfonic acid, a N,N-dimethylacrylamide, a vinyl pyrrolidone, a dimethylaminoethyl methacrylate, an acrylic acid, a dimethylaminopropylmethacrylamide, a vinyl amine, a vinyl acetate, a trimethylammoniumethyl methacrylate chloride, a methacrylamide, a hydroxyethyl acrylate, a vinyl sulfonic acid, a vinyl phosphonic acid, a vinylbenzene sulfonic acid, a methacrylic acid, a vinyl caprolactam, a N-vinylfoiinamide, a diallyl amine, a N,N-diallylacetamide, a dimethyldiallyl ammonium halide, an itaconic acid, a styrene sulfonic acid, a methacrylamidoethyltrimethyl ammonium halide, a quaternary salt derivatives of acrylamide, a quaternary salt derivatives of acrylic acid, an alkyl acrylates, an alkyl methacrylates, an alkyl acrylamides, an alkyl methacrylamides alkyl dimethylammoniumethyl methacrylate halide, an alkyl dimethylammoniumpropyl methacrylamide halide, any derivative thereof, and any combination thereof.

3. The method of claim 1 , wherein the organometallic monomer comprises at least one metal-carbon bond and one reactive group capable of polymerization.

4. The method of claim 1 , wherein the gelling agent comprises a polymer selected from the group consisting of a polysaccharide, a guar, hydroxypropyl guar, carboxymethylhydroxypropyl guar, a polyvinyl alcohol, a cellulose, a xanthan, hydroxyethyl cellulose, carboxymethyl cellulose, carboxyethyl cellulose, any derivative thereof, and any combination thereof.

5. The method of claim 1 , wherein the copolymer crosslinker is prepared by polymerization of the organometallic monomer and the monomer comprising a vinyl group, wherein the monomer comprising a vinyl group is selected from the group consisting of:
an acrylamide, a 2-acrylamido-2-methyl propane sulfonic acid, a N,N-dimethylacrylamide, a vinyl pyrrolidone, a dimethylaminoethyl methacrylate, an acrylic acid, a dimethylaminopropylmethacrylamide, a vinyl amine, a vinyl acetate, a trimethylammoniumethyl methacrylate chloride, a methacrylamide, a hydroxyethyl acrylate, a vinyl sulfonic acid, a vinyl phosphonic acid, a vinylbenzene sulfonic acid, a methacrylic acid, a vinyl caprolactam, a N-vinylformamide, a diallyl amine, a N,N-diallylacetamide, a dimethyldiallyl ammonium halide, an itaconic acid, a styrene sulfonic acid, a methacrylamidoethyltrimethyl ammonium halide, a quaternary salt derivatives of acrylamide, a quaternary salt derivatives of acrylic acid, an alkyl acrylates, an alkyl methacrylates, an alkyl acrylamides, an alkyl methacrylamides alkyl dimethylammoniumethyl methacrylate halide, an alkyl dimethylammoniumpropyl methacrylamide halide, any derivative thereof, and any combination thereof.

6. The method of claim 5 , wherein the crosslinker is encapsulated.

7. The method of claim 1 , wherein the amount of the copolymer crosslinker is in the range of about 0.05 pounds per thousand gallons of treatment fluid to about 85 pounds per thousand gallons of treatment fluid.

8. The method of claim 1 , further comprising:
crosslinking the copolymer crosslinker and the gelling agent to form a viscosified treatment fluid;
shearing the viscosified treatment fluid;
allowing a viscosity of the viscosified treatment fluid to decrease; and
re-crosslinking the viscosified treatment fluid to increase the viscosity of the viscosified treatment fluid.

9. A method of treating a subterranean formation, comprising:
providing a fluid comprising:
an aqueous fluid;
a gelling agent; and
a copolymer crosslinker comprising an organometallic monomer and a monomer comprising a vinyl group, wherein the organometallic monomer comprises a metal selected from the group consisting of aluminum, antimony, zirconium, magnesium, titanium, chromium, and combinations thereof;

crosslinking the gelling agent with the copolymer crosslinker to form a treatment fluid; and
introducing the treatment fluid into a subterranean formation at a pressure sufficient to create or enhance at least one fracture within the subterranean formation;
wherein the copolymer crosslinker has one of Structure 1 or Structure 2:

wherein in Structure 1, M is the selected metal and R is C n H( n+2 ), where n is an integer; and
wherein in Structure 2, M is the selected metal and R 1 and R 2 are each selected from Cl, Br or OCH 3 .

10. The method of claim 9 , wherein the monomer comprising a vinyl group is selected from the group consisting of: an acrylamide, a 2-acrylamido-2-methyl propane sulfonic acid, a N,N-dimethylacrylamide, a vinyl pyrrolidone, a dimethylaminoethyl methacrylate, an acrylic acid, a dimethylaminopropylmethacrylamide, a vinyl amine, a vinyl acetate, a trimethylammoniumethyl methacrylate chloride, a methacrylamide, a hydroxyethyl acrylate, a vinyl sulfonic acid, a vinyl phosphonic acid, a vinylbenzene sulfonic acid, a methacrylic acid, a vinyl caprolactam, a N-vinylformamide, a diallyl amine, a N,N-diallylacetamide, a dimethyldiallyl ammonium halide, an itaconic acid, a styrene sulfonic acid, a methacrylamidoethyltrimethyl ammonium halide, a quaternary salt derivatives of acrylamide, a quaternary salt derivatives of acrylic acid, an alkyl acrylates, an alkyl methacrylates, an alkyl acrylamides, an alkyl methacrylamides alkyl dimethylammoniumethyl methacrylate halide, an alkyl dimethylammoniumpropyl methacrylamide halide, any derivative thereof, and any combination thereof.

11. The method of claim 9 , wherein the gelling agent comprises a polymer selected from the group consisting of a polysaccharide, a guar, hydroxypropyl guar, carboxymethylhydroxypropyl guar, a polyvinyl alcohol, a cellulose, a xanthan, hydroxyethyl cellulose, carboxymethyl cellulose, carboxyethyl cellulose, any derivative thereof, and any combination thereof.

12. The method of claim 9 , further comprising contacting the treatment fluid with a breaker; and allowing a viscosity of the fluid to decrease.

13. The method of claim 9 , wherein the amount of copolymer crosslinker is in the range of about 0.05 pounds per thousand gallons of treatment fluid to about 85 pounds per thousand gallons of treatment fluid.

14. The method of claim 9 , wherein the treatment fluid further comprises a proppant particulate.

15. A well treatment system comprising:
an apparatus configured to introduce a treatment fluid into a subterranean formation at a pressure sufficient to create or enhance at least one fracture within the subterranean formation,

Assignees

• Halliburton Energy Services Inc

Inventors

• Singh Dipti
• Weaver Jim D

Classifications

• E21B43/26 Primary

  by forming crevices or fractures · CPC title

• C09K8/10

  Cellulose or derivatives thereof · CPC title

• E21B43/267

  reinforcing fractures by propping · CPC title

• E21B21/00

  Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor (freeing objects stuck in boreholes by flushing E21B31/03) · CPC title

• C09K2208/24

  Bacteria or enzyme containing gel breakers · CPC title