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PROCESS FOR TREATING HEAVY OILS

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PROCESS FOR TREATING HEAVY OILS ( process-for-treating-heavy-oils )

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11 The resultingtreatedoilhad anAPI gravityof225°, a speci?c gravity of 0.919 (density of 0.919 g/cm3), and a dynamic viscosity of 340 cP at 15° C., Which is equivalent to a kinematic viscosity of 370 cSt at 15° C. The disclosure ofalpatents and publications, including published patent applications, are hereby incorporated by reference to the same extent as ifeach patent and publication Werespeci?callyandindividuallyincorporatedbyreference. Itistobeunderstood,hoWever,thatthescopeofthepresent invention is not to be limited to the speci?c embodiments describedabove.The inventionmay bepracticedotherthanas particularly described and stil be Within the scope of the accompanyingclaims. What isclaimedis: 1.A processfortreatingaheavyoil,comprising: subjecting a liquid comprising a heavy oil and an organic material Which is not a heavy oil, Wherein said organic materialisaliquidatstandardtemperatureandpressure20 or a supercritical ?uid, to hydrodynamic cavitation to reduce the viscosity of said heavy oil, Wherein liquid is presentinanamountofatleast40vol.% ofthemixture ofheavy oiland organic material. 2.Theprocessofclaim1Wherein,priortomixingofsaid25 heavy oil With said organic material, said heavy oil is heated to a temperature of from about 75° C. to about 450° C., and saidorganicmaterialisheatedtoatemperatureoffromabout 75° C. to about 800° C. 3.Theprocessofclaim1Whereinsaidorganicmaterialis 30 present in said mixture of said heavy oil and said organic materialinanamountoffromabout5vol.% toabout25vol. % ofthevolumeofsaidheavyoil. 4. The process of claim 1 Wherein said mixture of said heavyoilandsaidorganicmaterialissubjectedtoavelocity35 offrom about 100msec toabout300 m/sec,apressuredrop of from about 150 psi to about 5,000 psi, and hydrodynamic cavitation to reduce the viscosity of said heavy oil. 5. The process of claim 4 Wherein said mixture of said heavyoilandsaidorganicmaterialissubjectedtoavelocity 40 of from about 150 m/sec to about 300 m/sec. 6. The process of claim 5 Wherein said mixture of said heavy oil and said organic material is subjected to a velocity of from about 200 m/sec to about 300 m/sec. 7. The process of claim 4 Wherein said mixture of said 45 heavy oil and said organic material is subjected to a pressure dropoffromabout400psigtoabout4,000psig. 12 15.Theprocessofclaim2Whereinsaidorganicmaterialis heated to a temperature of from about 150° C. to about 800° C. 16. The process of claim 15 Wherein said organic material isheated to a temperature of from about 300° C. to about 800° C. 17. The process of claim 16 Wherein said organic material isheated to a temperature of from about 300° C. to about 600° C. 18. The process of claim 17 Wherein said organic material isheated to a temperature of from about 300° C. to about 400° C. 19. The process of claim 1 Wherein said heavy oil and said organic material are mixed in a ?rst Zone and said mixture of saidheavyoilandsaidorganicmaterialissubjectedtohydro dynamic cavitation in a second Zone. 20.Theprocessofclaim1Whereinsaidheavyoilistreated in the absence of hydrogen. 21. The process of claim 1 Wherein said organic material is selectedfromthegroupconsistingofpentane,lique?ed petroleum gases, alcohols, ethers, and mixtures thereof. 22. The process of claim 21 Wherein said organic material ispentane. 23. The process of claim 1 Wherein said organic material hasbeensubjectedtoatemperatureabovethecriticaltem perature and a pressure above the critical pressure, Whereby the organic material is a supercritical ?uid. 24. The process of claim 19 Wherein the Width of said second Zone is less than the Width of said ?rst Zone. 25.Theprocessofclaim24WhereintheratiooftheWidth of said second Zone to the Width of said ?rst Zone is from about1/230toabout1/75. 26. The process of claim 19 Wherein the ratio of the length of the cavitation Zone to the Width of the cavitation Zone is fromabout10toabout125. 27. The process of claim 26 Wherein the ratio of the length of the cavitation Zone to the Width of the cavitation Zone is from about 50 to about 125. 28. The process of claim 1 Wherein liquid is present in an amountofatleast60vol.% ofthetotalvolumeofthemixture ofheavy oiland organic material. 29.A processtreatingaheavyoilcomprising: mixing a heavy oil and an organic material other than a heavy oil in a mixing Zone, Wherein said organic mate rial is a supercritical ?uid, to provide a mixture of said heavyoilandsaidorganicmaterial,andWhereinliquidis presentinanamountofatleast40vol.% ofthemixture ofsaidheavyoilandsaidorganicmaterial;and subjecting said mixture to hydrodynamic cavitation in a cavitation Zone, Wherein the ratio of the Width of said cavitation Zone to the Width of said mixing Zone is from about 1/230 to about 1/75, and Wherein the ratio of the length of said cavitation Zone to the Width of said cavi tation Zone is from about 10 to about 125. 30.A processfortreatingaheavyoil,comprising: passing a feed Which consists essentially of a liquid at standard temperature and pressure, Wherein said liquid comprises a heavy oil and an organic material Which is notaheavyoil,throughahydrodynamiccavitationZone, WhereinaportionoftheliquidWhichispassedthrough said cavitation Zone is formed into microbubbles dis persedinsaidliquid,Wherebysaidliquidissubjectedto hydrodynamic cavitation to reduce the viscosity of said heavyoil. 31. The process of claim 30 Wherein said organic material is selected from the group consisting of pentane, lique?ed petroleumgases,alcohols,ethers,andmixturesthereof. 8. The process of claim 7 Wherein said mixture of said heavy oil and said organic material is subjected to a pressure dropoffromabout400psigtoabout2,000psig. 9. The process of claim 8 Wherein said mixture of said heavy oil and said organic material is subjected to a pressure drop of from about 400 psig to about 1,500 psig. 50 10. The process of claim 9 Wherein said mixture of said heavyoilandsaidorganicmaterialissubjectedtoapressure 55 drop of from about 1,000 psig to about 1,500 psig. 11.Theprocessofclaim2Whereinsaidheavyoilisheated to a temperature of from about 150° C. to about 450° C. 12. The process of claim 11 Wherein said heavy oil is heatedtoatemperatureoffromabout200°C.toabout450° 60 C. 13. The process of claim 12 Wherein said heavy oil is heated to a temperature of from about 200° C. to about 400° C. 14. The process of claim 13 Wherein said heavy oil is 65 heated to a temperature of from about 300° C. to about 400° C. US 8,105,480B2

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