Consolidation compositions comprising multipodal silane coupling agents

Patent metadata

Field	Value
Publication number	US-10030193-B2
Application number	US-201415114268-A
Country	US
Kind code	B2
Filing date	Jun 18, 2014
Priority date	Jun 18, 2014
Publication date	Jul 24, 2018
Grant date	Jul 24, 2018

Abstract

Consolidation compositions comprising a multipodal silane coupling agent comprising at least two silane groups and at least one amino group; a curable resin; and a resin hardening agent. The curable resin is selected from the group consisting of an epoxy resin, an aliphatic epoxy resin, a glycidylamine epoxy resin, and combinations thereof.

First claim

The invention claimed is:

1. A consolidation composition comprising:
a multipodal silane coupling agent comprising at least two silane groups and at least one amino group;
a curable resin; and
a resin hardening agent,
wherein the multipodal silane coupling agent has the formula:

wherein R 1 is an alkoxy group or a halide;
L 1 , L 2 , and L 3 are each spacer groups selected from the group consisting of an alkylene group, an alkoxylene group, an aliphatic group, an aromatic group, a cyclic group, a heterocyclic group, a saturated group, an unsaturated group, any substituted with at least one heteroatom, and any combination thereof;
R 2 is an organic substituent;
X is an integer greater than 1;
Y is an integer greater than or equal to 0; and
Z is an integer greater than 0, or
the multipodal silane coupling agent is selected from the group consisting of:

and any combination thereof.

2. The composition of claim 1 , wherein the curable resin is selected from the group consisting of an epoxy resin, an aliphatic epoxy resin, a glycidylamine epoxy resin, and combinations thereof.

3. The composition of claim 1 , further comprising a resin hardening agent selected from the group consisting of a cyclo-aliphatic amine, and aromatic amine, and aliphatic amine, an acid, an acid anhydride, a phenol, an alcohol, a thiol, imidazole, pyrazole, pyrazine, pyrimidine, pyridazine, 1H-indazole, purine, phthalazine, naphthyridine, quinoxaline, quinazoline, phenazine, imidazolidine, cinnoline, imidazoline, 1,3,5-triazine, thiazole, pteridine, indazole, an amine, a polyamine, an amide, a polyamide, 2-ethyl-4-methyl imidazole, triethylenetetramine, ethylenediamine, N-cocoalkyltrimethylenediamine, isophoronediamene, diethyltolunendiamene, and any combination thereof.

4. The composition of claim 1 , wherein the multipodal silane coupling agent further comprises at least one cationic group.

5. The composition of claim 4 , wherein the cationic group is an ammonium cation, a phosphonium cation, a heteroaromatic cation, and any combination thereof.

6. The composition of claim 1 , wherein the multipodal silane coupling agent has the formula:

wherein R 1 is an alkoxy group or a halide;
L 1 , L 2 , and L 3 are each spacer groups selected from the group consisting of an alkylene group, an alkoxylene group, an aliphatic group, an aromatic group, a cyclic group, a heterocyclic group, a saturated group, an unsaturated group, any substituted with at least one heteroatom, and any combination thereof;
R 2 is an organic substituent;
X is an integer greater than 1;
Y is an integer greater than or equal to 0; and
Z is an integer greater than 0.

7. The composition of claim 1 , wherein the multipodal silane coupling agent is selected from the group consisting of:

and any combination thereof.

8. The composition of claim 1 , further comprising a non-multipodal silane coupling agent.

9. A method comprising:
providing a consolidation composition,
wherein the consolidation composition comprises a multipodal silane coupling agent comprising at least two silane groups and at least one amino group, a curable resin, and a resin hardening agent;
introducing the consolidation composition into a subterranean formation comprising a plurality of loose particulates,
wherein the at least two silane groups silylate to a surface of the particulates and the at least one amino group reacts to form crosslinks with the curable resin, thereby forming resin-coated particulates; and
curing the curable resin on the resin-coated particulates with the resin hardening agent, thereby at least partially consolidating the resin-coated particulates in the subterranean formation against substantial migration by curing the curable resin,
wherein the multipodal silane coupling agent has the formula:

wherein R 1 is an alkoxy group or a halide;
L 1 , L 2 , and L 3 are each spacer groups selected from the group consisting of an alkylene group, an alkoxylene group, an aliphatic group, an aromatic group, a cyclic group, a heterocyclic group, a saturated group, an unsaturated group, any substituted with at least one heteroatom, and any combination thereof;
R 2 is an organic substituent;
X is an integer greater than 1;
Y is an integer greater than or equal to 0; and
Z is an integer greater than 0, or
the multipodal silane coupling agent is selected from the group consisting of:

and any combination thereof.

10. The method of claim 9 , wherein the loose particulates comprise at least one selected from the group consisting of formation fines, proppant, and any combination thereof.

11. The method of claim 10 , wherein the formation fines concentration in the subterranean formation greater than at least about 4% and a regain permeability of at least about 50% is achieved after consolidating the resin-coated particulates in the subterranean formation against substantial migration.

12. The method of claim 9 , wherein the consolidated resin-coated particulates exhibit an increased consolidation strength as compared to if the consolidation composition included a non-multipodal silane coupling agent and not the multipodal silane coupling agent.

13. The method of claim 9 , wherein the multipodal silane coupling agent further comprises at least one cationic group.

14. The method of claim 13 , wherein the cationic group is an ammonium cation, a phosphonium cation, a heteroaromatic cation, and any combination thereof.

15. The method of claim 9 , wherein the multipodal silane coupling agent has the formula:

wherein R 1 is an alkoxy group or a halide;
L 1 , L 2 , and L 3 are each spacer groups selected from the group consisting of an alkylene group, an alkoxylene group, an aliphatic group, an aromatic group, a cyclic group, a heterocyclic group, a saturated group, an unsaturated group, any substituted with at least one heteroatom, and any combination thereof;
R 2 is an organic substituent;
X is an integer greater than 1;
Y is an integer greater than or equal to 0; and
Z is an integer greater than 0.

16. The method of claim 9 , wherein the multipodal silane coupling agent is selected from the group consisting of:

and any combination thereof.

17. The method of claim 9 , wherein the consolidation composition further comprises a non-multipodal silane coupling agent.

18. The method of claim 9 , further comprising a wellhead with a tubular extending therefrom and into the subterranean formation and having a pump fluidly coupled to the tubular, wherein the step of: introducing the consolidation composition into a subterranean formation comprising a pl

Assignees

• Halliburton Energy Services Inc

Inventors

• Shroff Rama Mallikarjuna
• Songire Sumit Ramesh
• Salgaonkar Lalit

Classifications

• C09K8/5756 Primary

  containing cross-linking agents · CPC title

• E21B43/267

  reinforcing fractures by propping · CPC title

• C09K8/502

  Oil-based compositions · CPC title

• C09K8/5755

  obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds · CPC title

• C09K8/805

  Coated proppants · CPC title