Claims
- 1. A method of reducing the friction loss generated by an organic liquid flowing through a confining conduit which comprises:
- mixing up to about 0.9 gallon per 1000 gallons of said organic liquid of an organic phosphate ester reaction product comprising the reaction of
- a pentavalent phosphorous compound with a hydroxy ether of the formula ROR.sub.1 OH wherein R is a C.sub.1 to C.sub.6 alkyl group, R.sub.1 is a C.sub.2 or C.sub.3 alkylene group and the total carbon atoms of R and R.sub.1 range from 3 to about 8; and
- when the total carbon atoms of R and R.sub.1 is 3 or 4, with a long chain monohydric aliphatic alcohol containing at least 5 carbon atoms; when the total carbon atoms of R and R.sub.1 are five or more with an alcohol selected from the group consisting of a long chain monohydric aliphatic alcohol containing at least 5 carbon atoms, a short chain monohydric aliphatic alcohol containing from one to four carbon atoms or a mixture of said alcohols, said reaction being conducted at a temperature ranging from about 70 to about 90.degree. C for a period of time of from about 1.5 to about 6 hours and a sufficient quantity of a basic salt containing a multivalent metal cation to provide friction reduction.
- 2. The method of claim 1 wherein the short chain alcohol is a primary, straight chain, saturated alcohol.
- 3. The method of claim 1 wherein the pentavalent phosphorous compound is P.sub.2 O.sub.5.
- 4. The method of claim 1 wherein the long chain monohydric alcohol contains from 5 to about 12 carbon atoms.
- 5. The method of claim 1 wherein the short chain alcohol is ethanol, methanol or a mixture thereof.
- 6. The method of claim 1 wherein the individual mole ratios of the hydroxy ether, the long chain alcohol and the short chain alcohol to the pentavalent phosphorous compound are within the ranges of 0.4:1 to 4.5:1; 0:1 to 4.0:1 and 0.5:1 to 5.0:1 respectively.
- 7. The method of claim 6 wherein the total mole ratio of the hydroxy ether, the long chain alcohol and the short chain alcohol to the pentavalent phosphorous compound ranges from about 2.8:1 to 7.0:1.
- 8. The method of claim 1 wherein the individual mole ratios of the hydroxy ether, the long chain alcohol and the short chain alcohol to the pentavalent phosphorous compound are within the ranges of 0.8:1 to 1.8:1; 0:1 to 1.4:1; and 0.9:1 to 2.0:1 respectively.
- 9. The method of claim 8 wherein the total mole ratio of the hydroxy ether, the long chain alcohol and the short chain alcohol to the pentavalent phosphorous compound is about 3.64 to 1.
- 10. The method of claim 1 wherein when the total carbon atoms of R and R.sub.1 is 3 or 4 there is also reacted a short chain aliphatic monohydric alcohol containing from 1 to 4 carbon atoms.
- 11. The method of claim 10 wherein the short chain alcohol is methanol or ethanol.
- 12. The method of claim 10 wherein the short chain alcohol is methanol.
- 13. The method of claim 1 wherein the multivalent metal is aluminum.
- 14. The method of claim 1 wherein the basic salt is sodium aluminate.
- 15. The method of claim 1 wherein said confining conduit comprises a wellbore.
- 16. A method of reducing the friction loss generated by an organic liquid flowing through a confining conduit which comprises mixing up to about 0.9 gallon per 1000 gallons of said organic liquid of an organic phosphate ester reaction product comprising the reaction of,
- P.sub.2 o.sub.5 with a hydroxy ether compound of the formula ROR.sub.1 OH wherein R is a C.sub.1 to C.sub.6 alkyl group and R.sub.1 is a C.sub.2 or C.sub.3 alkylene group and the total carbon atoms of R and R.sub.1 ranges from 3 to about 8; and
- when the total carbon atoms of R and R.sub.1 is 3 or 4 with a long chain aliphatic monohydric alcohol containing from 5 to about 12 carbon atoms, when the total carbon atoms of R and R.sub.1 is 5 to 8, with an alcohol selected from the group consisting of a long chain monohydric aliphatic alcohol containing from 5 to about 12 carbon atoms, a short chain monohydric aliphatic alcohol containing from 1 to 4 carbon atoms or a mixture of said alcohols, the individual mole ratios of the hydroxy ether, the long chain alcohol and the short chain alcohol to P.sub.2 O.sub.5 are within the ranges of 0.4:1 to 4.5:1; 0:1 to 4.0:1 and 0.5:1 to 5.0:1 respectively, said reaction being conducted at a temperature ranging from about 70.degree. to about 90.degree. C for a period of time of from about 1.5 to about 6 hours, and a sufficient basic salt containing a multivalent metal cation to provide friction reduction.
- 17. The method of claim 16 wherein the short chain alcohol is a primary, straight chain, saturated alcohol.
- 18. The method of claim 16 wherein the short chain alcohol is ethanol, methanol or a mixture thereof.
- 19. The method of claim 16 wherein the individual mole ratios of the hydroxy ether, the long chain alcohol and the short chain alcohol to P.sub.2 O.sub.5 are within the ranges of 0.8:1 to 1.8:1; 0:1 to 1.4:1; and 0.9:1 to 2.0:1 respectively.
- 20. The method of claim 19 wherein the total mole ratio of the hydroxy ether, the long chain alcohol and the short chain alcohol to P.sub.2 O.sub.5 ranges from about 2.8:1 to about 7.0:1.
- 21. The method of claim 16 wherein the short chain alcohol is methanol.
- 22. The method of claim 16 wherein the total mole ratio of the hydroxy ether, the long chain alcohol and the short chain alcohol to P.sub.2 O.sub.5 is about 3.64 to 1.
- 23. The method of claim 16 wherein the reaction temperature ranges from about 80.degree. to about 90.degree. C and the reaction time ranges from about 1.5 to about 3 hours.
- 24. The method of claim 16 wherein when the total carbon atoms of R.sub.1 is 3 or 4 there is also reacted methanol or ethanol.
- 25. The method of claim 16 wherein the multivalent metal cation is aluminum.
- 26. The method of claim 16 wherein the basic salt is sodium aluminate.
- 27. The method of claim 16 wherein the confining conduit is a wellbore.
CROSS-REFERENCE TO RELATED APPLICATION
This is a continuation-in-part of application Ser. No. 656,675 filed Feb. 9, 1976.
US Referenced Citations (3)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
656675 |
Feb 1976 |
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