CA2742256A1 - Environmentally friendly fracturing and stimulation composition and method of using the same - Google Patents

Environmentally friendly fracturing and stimulation composition and method of using the same Download PDF

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Publication number
CA2742256A1
CA2742256A1 CA 2742256 CA2742256A CA2742256A1 CA 2742256 A1 CA2742256 A1 CA 2742256A1 CA 2742256 CA2742256 CA 2742256 CA 2742256 A CA2742256 A CA 2742256A CA 2742256 A1 CA2742256 A1 CA 2742256A1
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Canada
Prior art keywords
molecular weight
toxic
green
low molecular
environmentally safe
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
CA 2742256
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French (fr)
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CA2742256C (en
Inventor
Paul Daniel Berger
Christie Huimin Berger
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.)
Oil Chem Technologies Inc
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Oil Chem Technologies Inc
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Publication date
Application filed by Oil Chem Technologies Inc filed Critical Oil Chem Technologies Inc
Priority to CA 2742256 priority Critical patent/CA2742256C/en
Publication of CA2742256A1 publication Critical patent/CA2742256A1/en
Application granted granted Critical
Publication of CA2742256C publication Critical patent/CA2742256C/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
    • C09K8/02—Well-drilling compositions
    • C09K8/03—Specific additives for general use in well-drilling compositions
    • C09K8/035—Organic additives
    • 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

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Cosmetics (AREA)

Abstract

A non-toxic, environmentally friendly, green flowback aid is disclosed that reduces water blockage when injected into a fractured reservoir. The composition includes an water soluble ester of a low molecular weight alcohol and a low molecular weight organic acid, an oil soluble ester of a low molecular weight alcohol and a high molecular weight fatty acid, one or more water soluble or dispersible nonionic surfactant(s) derived from vegetable or animal sources, one or more anionic or amphoteric surfactant(s) derived from animal or vegetable based sources, and, water. Compositions for low temperature applications are also disclosed that can remain fluid down to -41°F.

Claims (15)

1. An environmentally safe, green, non-toxic flowback aid composition derived from renewable resources including:

a. one or more water soluble esters of a low molecular weight alcohol and a low molecular weight organic acid, b. One or more oil soluble esters of a low molecular weight alcohol and a high molecular weight fatty acid, c. one or more water soluble or dispersible nonionic surfactant(s) derived from vegetable or animal sources, d. one or more anionic or amphoteric surfactant(s) derived from animal or vegetable based sources, and, e. an aqueous carrier.
2. The environmentally safe, green, non-toxic flowback aid composition from renewable resources disclosed in Claim 1 where the amount of one or more water soluble esters of low molecular weight alcohol and low molecular weight organic acid is 5 to 25 percent by weight.
3. The environmentally safe, green, non-toxic flowback aid composition from renewable resources disclosed in Claim 1 where the amount of one or more oil soluble esters of low molecular weight alcohol and high molecular weight fatty acid is 5 to 25 percent by weight.
4. The environmentally safe, green, non-toxic flowback aid composition from renewable resources disclosed in Claim 1 where the amount of one or more water soluble or dispersible nonionic surfactant(s) derived from vegetable or animal sources is 5 to 25 percent by weight.
5. The environmentally safe, green, non-toxic flowback aid composition from renewable resources disclosed in Claim 1 where the amount of one or more anionic or amphoteric surfactant(s) derived from animal or vegetable based sources is 5 to 25 percent by weight.
6. The environmentally safe, green, non-toxic flowback aid composition from renewable resources disclosed in Claim 1 where the aqueous carrier is selected from the group: water, brine, KCI solution, NaCl solution, any aqueous carrier used in fracturing.
7. An environmentally safe, green, non-toxic flowback aid composition derived from renewable resources including:

a. one or more water soluble esters of a low molecular weight alcohol and a low molecular weight organic acid, b. One or more oil soluble esters of a low molecular weight alcohol and a high molecular weight fatty acid, c. one or more water soluble or dispersible nonionic surfactant(s) derived from vegetable or animal sources, d. one or more anionic or amphoteric surfactant(s) derived from animal or vegetable based sources, e. one or more environmentally safe freeze point depressants, and, f. an aqueous carrier.
8. The environmentally safe, green, non-toxic flowback aid composition from renewable resources disclosed in Claim 7 where the amount of one or more water soluble esters of low molecular weight alcohol and low molecular weight organic acid is 5 to 25 percent by weight.
9. The environmentally safe, green, non-toxic flowback aid composition from renewable resources disclosed in Claim 7 where the amount of one or more oil soluble esters of low molecular weight alcohol and high molecular weight fatty acid is 5 to 25 percent by weight.
10. The environmentally safe, green, non-toxic flowback aid composition from renewable resources disclosed in Claim 7 where the amount of one or more water soluble or dispersible nonionic surfactant(s) derived from vegetable or animal sources is 5 to 25 percent by weight.
11. The environmentally safe, green, non-toxic flowback aid composition from renewable resources disclosed in Claim 7 where the amount of one or more anionic or amphoteric surfactant(s) derived from animal or vegetable based sources is 5 to 25 percent by weight.
12. The environmentally safe, green, non-toxic flowback aid composition from renewable resources disclosed in Claim 7 where the aqueous carrier is selected from the group consisting of water, brine, KCI solution, NaCl solution, any aqueous carrier used in fracturing.
13. The environmentally safe, green, non-toxic flowback aid composition from renewable resources disclosed in Claim 7 where the one or more environmentally safe freeze point depressants is glycerin.
14. A process for increasing flowback where the flowback composition described in Claim 1 is added to a fracturing formulation at concentrations of 0.1 to 5 gallons per 1000 gallons of injection fluid.
15.A process for increasing flowback where the flowback composition described in Claim 7 is added to a fracturing formulation at concentrations of 0.1 to 5 gallons per 1000 gallons of injection fluid.
CA 2742256 2011-06-10 2011-06-10 Environmentally friendly fracturing and stimulation composition and method of using the same Expired - Fee Related CA2742256C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2742256 CA2742256C (en) 2011-06-10 2011-06-10 Environmentally friendly fracturing and stimulation composition and method of using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2742256 CA2742256C (en) 2011-06-10 2011-06-10 Environmentally friendly fracturing and stimulation composition and method of using the same

Publications (2)

Publication Number Publication Date
CA2742256A1 true CA2742256A1 (en) 2012-02-29
CA2742256C CA2742256C (en) 2012-09-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2742256 Expired - Fee Related CA2742256C (en) 2011-06-10 2011-06-10 Environmentally friendly fracturing and stimulation composition and method of using the same

Country Status (1)

Country Link
CA (1) CA2742256C (en)

Also Published As

Publication number Publication date
CA2742256C (en) 2012-09-04

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Effective date: 20180611