CA2434357A1 - Aqueous viscoelastic fluid - Google Patents

Aqueous viscoelastic fluid Download PDF

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Publication number
CA2434357A1
CA2434357A1 CA002434357A CA2434357A CA2434357A1 CA 2434357 A1 CA2434357 A1 CA 2434357A1 CA 002434357 A CA002434357 A CA 002434357A CA 2434357 A CA2434357 A CA 2434357A CA 2434357 A1 CA2434357 A1 CA 2434357A1
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CA
Canada
Prior art keywords
fluid
surfactant
viscoelastic
hydrophilic head
saturated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002434357A
Other languages
French (fr)
Other versions
CA2434357C (en
Inventor
Trevor Hughes
Timothy Gareth John Jones
Gary John Tustin
Jian Zhou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Canada Ltd
Original Assignee
Schlumberger Canada Limited
Trevor Hughes
Timothy Gareth John Jones
Gary John Tustin
Jian Zhou
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schlumberger Canada Limited, Trevor Hughes, Timothy Gareth John Jones, Gary John Tustin, Jian Zhou filed Critical Schlumberger Canada Limited
Publication of CA2434357A1 publication Critical patent/CA2434357A1/en
Application granted granted Critical
Publication of CA2434357C publication Critical patent/CA2434357C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
    • C07C229/04—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
    • C07C229/06—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton
    • C07C229/10—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton the nitrogen atom of the amino group being further bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings
    • C07C229/12—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton the nitrogen atom of the amino group being further bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings to carbon atoms of acyclic carbon skeletons
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/34—Esters of acyclic saturated polycarboxylic acids having an esterified carboxyl group bound to an acyclic carbon atom
    • C07C69/40—Succinic acid esters
    • 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
    • C09K23/00—Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
    • C09K23/18—Quaternary ammonium 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
    • C09K8/62—Compositions for forming crevices or fractures
    • 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
    • C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
    • C09K2208/30—Viscoelastic surfactants [VES]

Abstract

The invention concerns an aqueous viscoelastic fluid for use in the recovery of hydrocarbons. According to the invention, the aqueous viscoelastic fluid comprises a monomer, a dimer or an oligomer of a viscoelastic surfactant able to form a viscoelastic gel under downhole conditions, said surfactant comprising a hydrophobic tail and a hydrophilic head, and being of the following formulae: R-X-Y-Z where R is the hydrophobic tail of the surfactant, Z is the hydrophilic head of the surfactant, said hydrophilic head being charged, X is a stabilising group and Y chain is a linear, saturated or unsaturated, hydrocarbon chain of 1, 2 or 3 carbon atoms or a branched, saturated or unsaturated hydrocarbon chain wherein the main chain is of 1, 2 or 3 carbon atoms, possibly incorporating an aromatic ring.

Claims (17)

1. Aqueous viscoelastic fluid for use in the recovery of hydrocarbons, comprising:
a monomer, a dimer ar oligomer of a viscoelastic surfactant able to form a viscoelastic gel under downhole conditions, said surfactant comprising a hydrophobic tail and a hydrophilic head, and being of the following formulae:
R-X-Y-Z
where R is the hydrophobic tail of the surfactant, Z is the hydrophilic head of the surfactant, said hydrophilic head group being charged, X is a stabilising group and Y is a linear, saturated or unsaturated, hydrocarbon chain of 1, 2 or 3 carbon atoms or a branched, saturated or unsaturated hydrocarbon chain wherein the main chain is of 1, 2 or 3 carbon atoms, possibly incorporating an aromatic ring.
2. The fluid of claim 1 wherein R is a fully or partially saturated, linear or branched hydrocarbon chain of at least 18 carbon atoms.
3. The fluid of claim 2 wherein R is:
CH3(CH2)7CH=CH(CH2)8;
CH3(CH2)7CH=CH(CH2)12;
CH3(CH2)7CH=CH(CH2)7; or CH3(CH2)7CH=CH(CH2)11.
4. The fluid of one of the above claims 1 to 3 wherein X
is an electron withdrawing group.
5. The fluid of one of the above claims 1 to 4 wherein X
comprises a carbonyl group.
6. The fluid of one of the above claims 1 to 5 wherein X
is an ester, amide, reverse ester or reverse amide group.
7. The fluid of one of the claims 1 to 6 wherein Y is:
-CH2-, -CH2-CH2-, -CH2-CH2-CH2-, -CH=CH-, -CH2-CH(CH3)-, -CH2-C(CH3)2-, -CH=C(CH3)- or -CH3-CCH2-.
8. The fluid of one of the claims 1 to 6 wherein Y
incorporates a benzene ring.
9. The fluid of one of the claims 1 to $ wherein Z is negatively charged.
10. The fluid of claim 9 wherein Z is COO-.
11. The fluid of one of the claims 1 to 10, for use as a fracturing fluid.
12. The fluid of one of the claims 1 to 11 for use at a downhole location where the average temperature exceeds 93°C.
13. The fluid of claim 12 wherein the average temperature exceeds 121°C.
14. Method for use in the recovery of hydrocarbons comprising the following steps:
providing an aqueous viscoelastic surfactant fluid comprising a monomer, a dimer or an oligomer of a viscoelastic surfactant able to farm a viscoelastic gel under downhole conditions, said surfactant comprising a hydrophobic tail and a hydrophilic head, and being of the following formulae:

R-X-Y-Z

where R is the hydrophobic tail of the surfactant, Z is the hydrophilic head of the surfactant, said hydrophilic head being charged, X is a stabilising bond and Y is a linear, saturated ar unsaturated, hydrocarbon chain of 1, 2 or 3 carbon atoms or a branched, saturated or unsaturated hydrocarbon chain wherein the main chain is of 1, 2 or 3 carbon, atoms, possibly incorporating an aromatic ring.
15. The method of claim 14 wherein the viscoelastic surfactant is able to form viscoelastic gel at a temperature of 93°C.
16. The method of claim 14 wherein the viscoelastic surfactant is able to form a viscoelastic gel at a temperature of 121°C.
17. The method of claim 14 wherein the viscoelastic surfactant is able to form a viscoelastic gel at a temperature of 149 °C.
CA2434357A 2001-02-13 2002-02-13 Aqueous viscoelastic fluid Expired - Fee Related CA2434357C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0103449A GB2372058B (en) 2001-02-13 2001-02-13 Viscoelastic compositions
GB0103449.5 2001-02-13
PCT/GB2002/000606 WO2002064947A1 (en) 2001-02-13 2002-02-13 Aqueous viscoelastic fluid

Publications (2)

Publication Number Publication Date
CA2434357A1 true CA2434357A1 (en) 2002-08-22
CA2434357C CA2434357C (en) 2011-06-21

Family

ID=9908579

Family Applications (3)

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CA002434345A Expired - Fee Related CA2434345C (en) 2001-02-13 2002-02-13 Aqueous viscoelastic fluid
CA2434357A Expired - Fee Related CA2434357C (en) 2001-02-13 2002-02-13 Aqueous viscoelastic fluid
CA2434613A Expired - Fee Related CA2434613C (en) 2001-02-13 2002-02-13 Viscoelastic compositions

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002434345A Expired - Fee Related CA2434345C (en) 2001-02-13 2002-02-13 Aqueous viscoelastic fluid

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2434613A Expired - Fee Related CA2434613C (en) 2001-02-13 2002-02-13 Viscoelastic compositions

Country Status (12)

Country Link
US (4) US7704926B2 (en)
EP (2) EP1360395A1 (en)
CN (2) CN1606654B (en)
AU (2) AU2002229950B2 (en)
BR (2) BR0207484B1 (en)
CA (3) CA2434345C (en)
EA (3) EA006867B1 (en)
GB (4) GB2372058B (en)
MX (2) MXPA03007219A (en)
NO (2) NO20033572L (en)
OA (2) OA12446A (en)
WO (3) WO2002064945A1 (en)

Cited By (2)

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US7704926B2 (en) 2001-02-13 2010-04-27 Schlumberger Technology Corporation Viscoelastic compositions
US8785355B2 (en) 2001-02-13 2014-07-22 Schlumberger Technology Corporation Viscoelastic compositions

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