CA2556068A1 - Delayed tackifying compositions and associated methods involving controlling particulate migration - Google Patents

Delayed tackifying compositions and associated methods involving controlling particulate migration Download PDF

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Publication number
CA2556068A1
CA2556068A1 CA002556068A CA2556068A CA2556068A1 CA 2556068 A1 CA2556068 A1 CA 2556068A1 CA 002556068 A CA002556068 A CA 002556068A CA 2556068 A CA2556068 A CA 2556068A CA 2556068 A1 CA2556068 A1 CA 2556068A1
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CA
Canada
Prior art keywords
poly
delayed
polymers
acid
tackifying agent
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Granted
Application number
CA002556068A
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French (fr)
Other versions
CA2556068C (en
Inventor
Thomas D. Welton
David Mcmechan
Bradley L. Todd
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Halliburton Energy Services Inc
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Halliburton Energy Services Inc
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Publication of CA2556068A1 publication Critical patent/CA2556068A1/en
Application granted granted Critical
Publication of CA2556068C publication Critical patent/CA2556068C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/62—Compositions for forming crevices or fractures
    • C09K8/66—Compositions based on water or polar solvents
    • C09K8/68—Compositions based on water or polar solvents containing organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/922—Fracture fluid
    • Y10S507/924—Fracture fluid with specified propping feature

Abstract

Methods and compositions relating to delayed tackifying compositions that comprise an aqueous tackifying agent and a delayed acid-releasing activator that may be used to stabilize particulates and reduce particulate migration within a subterranean formation.

Claims (21)

1. A method comprising the steps of:
providing a treatment fluid that comprises a delayed tackifying composition, the delayed tackifying composition comprising an aqueous tackifying agent and a delayed acid-releasing activator;
placing the treatment fluid in a subterranean formation;
allowing the acid precursor to produce an acid after a delay period; and allowing the acid to activate the aqueous tackifying agent so as to form an activated aqueous tackifying agent that is capable of stabilizing particulates.
2. The method of claim 1 wherein the step of allowing the acid to activate the aqueous tackifying agent to form an activated aqueous tackifying agent that is capable of stabilizing particulates occurs before, during, or after the step of placing the treatment fluid in the subterranean formation.
3. The method of claim 1 wherein the delay period range from about 15 minutes to about 75 hours.
4. The method of claim 1 wherein the aqueous tackifying agent comprises a polymer selected from the group consisting of: acrylic acid polymers; acrylic acid ester polymers; acrylic acid derivative polymers; acrylic acid homopolymers; acrylic acid ester homopolymers; poly(methyl acrylate); poly (butyl acrylate); poly(2-ethylhexyl acrylate);
acrylic acid ester co-polymers; methacrylic acid derivative polymers;
methacrylic acid homopolymers; methacrylic acid ester homopolymers; poly(methyl methacrylate);
poly(butyl methacrylate); poly(2-ethylhexyl methacrylate); acrylamido-methyl-propane sulfonate polymers; acrylamido-methyl-propane sulfonate derivative polymers; acrylamido-methyl-propane sulfonate co-polymers; acrylic acid/acrylamido-methyl-propane sulfonate co-polymers, derivatives thereof, and combinations thereof.
5. The method of claim 1 wherein the aqueous tackifying agent comprises at least one aqueous tackifying agent selected from the group consisting of:
benzyl coco di-(hydroxyethyl) quaternary amine; p-T-amyl-phenol condensed with formaldehyde;
and a copolymer comprising from about 80% to about 100% C1-30 alkylmethacrylate monomers and from about 0% to about 20% hydrophillic monomers.
6. The method of claim 1 wherein the aqueous tackifying agent comprises from about 0.01 % to about 10% of the delayed tackifying composition.
7. The method of claim 1 wherein the delayed acid-releasing activator comprises an acid precursor selected from the group consisting of: orthoesters;
poly(orthoesters);
degradable polymers; encapsulated acids; esters; lactones; lactic anhydride;
and maleic anhydride.
8. The method of claim 1 wherein the delayed-acid releasing activator comprises an orthoester defined by the formula: RC(OR')(OR'')(OR'''), wherein R', R'', and R"' are not hydrogen and R', R'', and R''' may or may not be the same group.
9. The method of claim 1 wherein the delayed-acid releasing activator comprises an orthoester or a poly(orthoester) selected from the group consisting of:
orthoacetates;
trimethyl orthoacetate; triethyl orthoacetate; tripropyl orthoacetate;
triisopropyl orthoacetate;
tributyl orthoacetates; poly(orthoacetates); orthoformates; trimethyl orthoformate; triethyl orthoformate; tripropyl orthoformate; triisopropyl orthoformate; tributyl orthoformate;
poly(orthoformates); orthopropionates; trimethyl orthopropionate; triethyl orthopropionate;
tripropyl orthopropionate; triisopropyl orthopropionate; tributyl orthopropionate;
poly(orthopropionates); and orthoesters of polyfunctional alcohols.
10. The method of claim 1 wherein the delayed-acid releasing activator comprises a degradable polymer selected from the group consisting of: aliphatic polyesters;
poly(lactides); poly(glycolides); poly(.epsilon.-caprolactones);
poly(hydroxybutyrates);
poly(anhydrides); poly(adipic anhydride); poly(suberic anhydride);
poly(sebacic anhydride);
poly(dodecanedioic anhydride); poly(maleic anhydride); poly(benzoic anhydride); poly(lactic acid); a blend of poly(lactic acid) and poly(glycolide); and aliphatic polycarbonates.
11. The method of claim 1 wherein the treatment fluid is a fracturing fluid or a gravel pack fluid.
12. The method of claim 1 wherein the treatment fluid comprises a component selected from the group consisting of: fresh water; salt water; brines;
seawater; a foaming agent; alkylamidobetaines; cocoamidopropyl betaine; alpha-olefin sulfonate;
trimethyltallowammonium chloride; C8 to C22 alkylethoxylate sulfate;
trimethylcocoammonium chloride; gelling agents; natural biopolymers; synthetic polymers;
crosslinked gelling agents; viscoelastic surfactants; guar; xanthan;
polysaccharides;
depolymerized gelling agents; and breakers.
13. The method of claim 1 wherein the subterranean formation is a coal bed methane formation.
14. The method of claim 1 wherein the delayed tackifying composition is coated on at least a plurality of proppant particulates.
15. A method comprising:
providing a delayed tackifying composition that comprises an aqueous tackifying agent and an delayed acid-releasing activator;
introducing the delayed tackifying composition to a chosen portion of a subterranean formation;
allowing the delayed acid-releasing activator to produce an acid that is capable of activating the aqueous tackifying agent;
allowing the aqueous tackifying agent to become activated to produce an activated aqueous tackifying agent; and allowing the activated aqueous tackifying agent to adhere to particulates within the portion of the subterranean formation.
16. The method of claim 15 wherein the delayed acid-releasing activator comprises an acid precursor selected from the group consisting of:
orthoesters;
poly(orthoesters); degradable polymers; encapsulated acids; esters; lactones;
lactic anhydride;
and maleic anhydride; and the aqueous tackifying agent is selected from the group consisting of: acrylic acid polymers; acrylic acid ester polymers; acrylic acid derivative polymers;
acrylic acid homopolymers; acrylic acid ester homopolymers; poly(methyl acrylate); poly (butyl acrylate); poly(2-ethylhexyl acrylate); acrylic acid ester co-polymers;
methacrylic acid derivative polymers; methacrylic acid homopolymers; methacrylic acid ester homopolymers;
poly(methyl methacrylate); poly(butyl methacrylate); poly(2-ethylhexyl methacrylate);
acrylamido-methyl-propane sulfonate polymers; acrylamido-methyl-propane sulfonate derivative polymers; acrylamido-methyl-propane sulfonate co-polymers; acrylic acid/acrylamido-methyl-propane sulfonate co-polymers, derivatives thereof, and combinations thereof.
17. The method of claim 15 wherein the step of introducing the delayed tackifying composition to a chosen portion of a subterranean formation occurs before, during, or after a fracture acidizing process or a matrix acidizing process.
18. The method of claim 15 wherein the method is a primary method, a proactive method, or a remedial method relative to a fracturing treatment or a gravel packing treatment in the subterranean formation.
19. The method of claim 15 wherein the delayed tackifying composition is coated on at least a plurality of proppant particulates selected from the group consisting of: sand;
bauxite; ceramic materials; glass materials; resin precoated proppant; polymer materials;
tetrafluoroethylene materials; nut shells; nut shell pieces; fruit pit pieces;
processed wood particles; composite particulates prepared from a binder with a filler particulate; silica;
alumina; fumed carbon; carbon black; graphite; mica; titanium dioxide; meta-silicate;
calcium silicate; kaolin; talc; zirconia; boron; fly ash; hollow glass microspheres; and mixtures thereof.
20. The method of claim 15 further comprising:
providing a gravel pack treatment fluid that comprises an aqueous fluid and optionally a gelling agent with the delayed tackifying composition; and introducing the gravel pack treatment fluid with the delayed tackifying composition into the subterranean formation so as to place a gravel pack in or near a portion of the subterranean formation.
21. A method comprising:
providing a fracturing fluid that comprises a delayed tackifying composition, the delayed tackifying composition comprising an aqueous tackifying agent and a delayed acid-releasing activator;
placing the fracturing fluid into a portion of a subterranean formation at a pressure sufficient to create or enhance a fracture therein;
allowing the delayed acid-releasing activator to produce an acid that is capable of activating the aqueous tackifying agent;
allowing the aqueous tackifying agent to become activated to produce an activated aqueous tackifying agent; and allowing the activated aqueous tackifying agent to adhere to particulates within the portion of the subterranean formation.
CA2556068A 2005-08-16 2006-08-11 Delayed tackifying compositions and associated methods involving controlling particulate migration Expired - Fee Related CA2556068C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/205,332 2005-08-16
US11/205,332 US7484564B2 (en) 2005-08-16 2005-08-16 Delayed tackifying compositions and associated methods involving controlling particulate migration

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CA2556068A1 true CA2556068A1 (en) 2007-02-16
CA2556068C CA2556068C (en) 2011-02-08

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US (1) US7484564B2 (en)
AU (1) AU2006203483B2 (en)
CA (1) CA2556068C (en)
RU (1) RU2443856C2 (en)

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