Gelled emulsions and methods of using the same
5 Assignments
0 Petitions
Accused Products
Abstract
Gelled emulsions contain (i.) an external phase of an aqueous water-soluble solvent solution, polymeric viscosifying agent and, optionally, an oxidative and/or acidic breaker; and (ii.) an internal phase of a dispersed organic fluid. The aqueous water-soluble solvent solution constitutes between from about 15 to about 50 volume percent of the gelled emulsion and the dispersed organic fluid is presented in the gelled emulsion in amounts ranging from about 50 to about 85 volume percent. The gelled emulsions are useful in a variety of applications including, but not limited to, oil field, pipeline and processing facility applications.
-
Citations
64 Claims
-
1. (canceled)
-
2. (canceled)
-
3. (canceled)
-
4. (canceled)
-
5. (canceled)
-
6. (canceled)
-
7. (canceled)
-
8. (canceled)
-
9. (canceled)
-
10. (canceled)
-
11. (canceled)
-
12. (canceled)
-
13. (canceled)
-
14. (canceled)
-
15. (canceled)
-
16. (canceled)
-
17. (canceled)
-
18. (canceled)
-
19. (canceled)
-
20. (canceled)
-
21. (canceled)
-
22. (canceled)
-
23. (canceled)
-
24. (canceled)
-
25. (canceled)
-
26. (canceled)
-
27. (canceled)
-
28. (canceled)
-
29. (canceled)
-
30. (canceled)
-
31. (canceled)
-
32. (canceled)
-
33. A method of stimulating a subterranean formation which comprises introducing into the formation. an emulsion comprising:
-
(a) a gelled external phase comprising (i.) an aqueous water-soluble solvent solution and (ii.) a polymeric viscosifying agent; (b) an internal phase of an organic fluid; (c) an emulsifying agent; and (d) optionally, an oxidative and/or acidic breaker wherein the emulsion is substantially free of phosphorous. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56)
-
-
57. A method of stimulating a subterranean formation which comprises introducing into the formation a gelled emulsion comprising:
-
(a) from about 15 to about 50 volume percent of a blend of a C1-C4 alkanol and water; (b) from about 50 to about 85 volume percent of a dispersed organic fluid; (c) a polymeric viscosifying agent; (d) an emulsifying agent; and (e) optionally, an oxidative and/or acidic breaker wherein the emulsion is substantially free of phosphorous. - View Dependent Claims (58, 59, 60, 61)
-
-
62. A method of stimulating a subterranean formation which comprises introducing into the formation an emulsion comprising:
-
(a) an external phase comprising a gelled product of a (i) C1-C4 alkanol and water; and
(ii) a viscosifying polymer;(b) an internal phase of a dispersed organic fluid; and (c) an emulsifying agent. - View Dependent Claims (63, 64)
-
Specification