Provided herein are inter alia novel compositions and methods having application in a variety of fields including the field of enhanced oil recovery, the cleaning industry as well as groundwater remediation. In particular, the alkoxy carboxylate compounds and mixtures thereof presented herein can be
Provided herein are inter alia novel compositions and methods having application in a variety of fields including the field of enhanced oil recovery, the cleaning industry as well as groundwater remediation. In particular, the alkoxy carboxylate compounds and mixtures thereof presented herein can be used, inter alia, for the recovery of a large range of crude oil compositions from challenging reservoirs.
대표청구항▼
1. A compound having the formula: wherein R1 is unsubstituted C24-C150 alkyl or R10-substituted C24-C150 alkyl;R2 is independently hydrogen or methyl, wherein at least one R2 is a methyl and wherein the R2 adjacent to the R3 is a hydrogen;R3 is independently hydrogen or unsubstituted C1-C6 alkyl;R10
1. A compound having the formula: wherein R1 is unsubstituted C24-C150 alkyl or R10-substituted C24-C150 alkyl;R2 is independently hydrogen or methyl, wherein at least one R2 is a methyl and wherein the R2 adjacent to the R3 is a hydrogen;R3 is independently hydrogen or unsubstituted C1-C6 alkyl;R10 is independently unsubstituted aryl or unsubstituted cycloalkyl;n is an integer from 45 to 210;z is an integer from 1 to 6; andM+ is a monovalent, divalent or trivalent cation. 2. The compound of claim 1, wherein R1 is branched unsubstituted C24-C150 alkyl. 3. The compound of claim 1, wherein R1 is branched or linear unsubstituted C24-C100 alkyl. 4. The compound of claim 1, wherein R1 is branched unsubstituted C24-C100 alkyl. 5. The compound of claim 1, wherein R1 is branched unsubstituted C24-C36 alkyl. 6. The compound of claim 1, wherein R3 is hydrogen. 7. The compound of claim 1, wherein n is 45 to 180. 8. The compound of claim 1, wherein n is 45 to 100. 9. The compound of claim 1, wherein z is 1. 10. The compound of claim 1, wherein M+ is Na+, K+, NH4+, Ca+2, Mg+2 or Ba+2. 11. A compound having the formula: wherein R1 is unsubstituted C24-C150 alkyl or R10-substituted C24-C150 alkyl;R2 is unsubstituted methyl;R3 is independently hydrogen or unsubstituted C1-C6 alkyl;R10 is independently unsubstituted aryl or unsubstituted cycloalkyl;x and y are independently integers from 5 to 100;z is an integer from 1 to 6;M+ is a monovalent, divalent or trivalent cation; and with the additional proviso for x and y,wherein x is at least 25 or y is at least 25. 12. The compound of claim 11 having the formula: 13. The compound of claim 12 wherein: z is 1;R3 is hydrogen;x and y are independently 5 to 100; andR1 is unsubstituted C24-C50 alkyl. 14. An aqueous composition comprising a co-surfactant and the compound of claim 1 or claim 11. 15. The aqueous composition of claim 11, wherein said co-surfactant is an anionic surfactant, a non-ionic surfactant, or a cationic surfactant. 16. The aqueous composition of claim 14, wherein said co-surfactant is an internal olefin sulfonate (IOS), an alfa olefin sulfonate (AOS), an alkyl aryl sulfonate (ARS), an alkane sulfonate, a petroleum sulfonate, an alkyl diphenyl oxide (di)sulfonate, an alcohol sulfate, an alkoxy sulfate, an alkoxy sulfonate, an alcohol phosphate, an alkoxy phosphate, a sulfosuccinate ester, an alcohol ethoxylate, an alkyl phenol ethoxylate, a quaternary ammonium salt, a betain or sultain. 17. The aqueous composition of claim 14, wherein said co-surfactant is a C10-C30 internal olefin sulfate (IOS) or a C8-C30 alkyl benzene sulfonate (ABS). 18. The aqueous composition of claim 14, further comprising a viscosity enhancing water-soluble polymer. 19. The aqueous composition of claim 14, further comprising a co-solvent. 20. The aqueous composition of claim 14, further comprising a gas. 21. The aqueous composition of claim 14, wherein said compound is present in an amount sufficient to increase the solubility of said co-surfactant in said aqueous composition relative to the absence of said compound. 22. The aqueous composition of claim 14, wherein said co-surfactant is present in an amount sufficient to increase the solubility of said compound in said aqueous composition relative to the absence of said co-surfactant. 23. The aqueous composition of claim 14 comprising more than 10 ppm of Ca2+ and Mg2+ combined. 24. The aqueous composition of claim 14 comprising more than 100 ppm of Ca2+ and Mg2+ combined. 25. The aqueous composition of claim 14 comprising more than 1000 ppm of Ca2+ and Mg2+ combined. 26. The aqueous composition of claim 14 having a pH of less than 8.0. 27. The aqueous composition of claim 14 having a pH of less than 7.5. 28. The aqueous composition of claim 14 having a pH of less than 7.0. 29. The aqueous composition of claim 14 having a salinity of at least 40,000 ppm. 30. The aqueous composition of claim 14 having a salinity of at least 50,000 ppm. 31. The aqueous composition of claim 14 having a salinity of at least 200,000 ppm. 32. The aqueous composition of claim 14, wherein the temperature of said aqueous composition is at least 100° C. 33. The aqueous composition of claim 14, wherein the temperature of said aqueous composition is at least 130° C. 34. The aqueous composition of claim 14 having a viscosity of between 20 mPa·s and 100 mPa·s. 35. An emulsion composition comprising an unrefined petroleum phase and an aqueous phase, wherein said aqueous phase comprises the compound of claim 1 or claim 11. 36. The emulsion composition of claim 35 further comprising a co-surfactant. 37. The emulsion composition of claim 3, wherein the viscosity of the emulsion composition is less than the viscosity in the absence of the co-surfactant. 38. The emulsion composition of claim 35, wherein the viscosity of the emulsion composition is less than 3 times the viscosity of an unrefined petroleum. 39. The emulsion composition of claim 35, wherein the viscosity of the emulsion composition is less than 30 centipoise. 40. The emulsion composition of claim 35, wherein the viscosity of the emulsion composition is less than 200 centipoise. 41. The emulsion composition of claim 35, wherein the emulsion composition is a microemulsion. 42. The emulsion composition of claim 35, wherein the oil and water solubilization ratios of the aqueous phase are insensitive to the combined concentration of Ca+2 and Mg+2 combined within in the aqueous phase. 43. The emulsion composition of claim 35, wherein the oil and water solubilization ratios of the aqueous phase are insensitive to the salinity of the water within the aqueous phase. 44. The compound of claim 1 or claim 11, wherein n is at least 40. 45. The compound of claim 11, wherein y is at least 40 and x is at least 30.
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이 특허에 인용된 특허 (8)
Shpakoff,Paul Gregory; Raney,Kirk Herbert, Method and composition for enhanced hydrocarbons recovery.
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