Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Reexamination Certificate
2006-12-19
2006-12-19
Tucker, Philip C. (Department: 1712)
Earth boring, well treating, and oil field chemistry
Well treating
Contains organic component
C507S203000, C507S219000, C507S224000, C507S921000
Reexamination Certificate
active
07151078
ABSTRACT:
A controlled-gelation aqueous solution is proposed. The solution contains a hydrophobically-aggregating gelling agent, and an effective amount of an inhibitor which suppresses hydrophobic aggregation of the gelling agent. The inhibitor is soluble in water so that when the controlled-gelation aqueous solution contacts aqueous media the inhibitor disperses and gelation occurs. However, the inhibitor is substantially insoluble in hydrocarbons so that when the controlled-gelation aqueous solution contacts hydrocarbon media the inhibitor continues to suppress said hydrophobic aggregation and gelation is suppressed. The solution may be used to control the flow of water into oil wells, making it possible to reduce the water cut.
REFERENCES:
patent: 3783944 (1974-01-01), Jennings et al.
patent: 4735731 (1988-04-01), Rose et al.
patent: 5551516 (1996-09-01), Norman et al.
patent: 6194356 (2001-02-01), Jones et al.
patent: 6232274 (2001-05-01), Hughes et al.
patent: 6399546 (2002-06-01), Chang et al.
patent: 6858229 (2005-02-01), Hubbell et al.
patent: 6920928 (2005-07-01), Davies et al.
patent: 2002/0004464 (2002-01-01), Nelson et al.
patent: 2 213 850 (1989-08-01), None
patent: 2 252 103 (1992-07-01), None
patent: 2332223 (1999-06-01), None
patent: 2335428 (1999-09-01), None
patent: WO 99/49183 (1999-03-01), None
patent: WO 99/50530 (1999-10-01), None
Hoffmann H. In Structure and Flow in Surfactant Solutions; ACS Symp. Ser. 578; Herb C.A., Prudhomme R., Eds. American Chemical Society: Washington, DC, 1994; pp. 2-31.
Rose, G. D. and Teot, A. S., “Viscoelastic Surfactants—Rheology control without polymers or particulates”, In Structure and Flow in Surfactant Solutions; ACS Symp. Ser. 578; Herb C.A., Prudhomme R., Eds. American Chemical Society: Washington, DC, 1994; pp. 352-369.
Hoffmann H. and Ebert G., “Surfactants, micelles and fascinating phenomena”, Angew. Chem. Int. Ed. Engl. 27 (1988) 902-912.
Bailley B., Crabtree M., Tyrie J., Elphick J., Kuchuk F., Romano C., Roodhart L., “Water Control” Oilfield Review Spring 2000, p. 30-51.
Bock J., Valint P.L., Jr., Pace S.J., Siano D.B., Schulz D.N., Turner S.R. Hydrophobically associating polymers. In Water-Soluble Polymers for Petroleum Recovery; Stahl G.A., Schulz D.N., Eds.; Plenum Press: New York, 1988; pp. 147-160.
Regaldo E.J., Selb J., Candau F. Viscoelastic behavior of semidulute solutions of multisticker polymer chains. Macromolecules 1999, v. 32, pp. 8580-8588.
Chassenieux C., Fundin J., Ducouret G., Iliopoulos I. Amphiphilic copolymers of styrene with a surfactant-like comonomer: gel formation in aqueous solution. J. Molecular Structure 2000, v. 554, pp. 99-108.
Rehage H., Hoffman H. Viscoelastic surfactant solutions: model systems for rheological research. Mol. Phys. 1991, v. 74, pp. 933-973.
Raghavan S.R., Kaler E.W. Highly viscoelastic wormlike micellar solutions formed by cationic surfactants with long unsaturated tails. Langmuir 2001, v. 17, pp. 300-306.
Iliopoulos I., Wang T.K., Audebert R. Viscometric evidence of interactions between hydrophobically modified poly(sodium acrylate) and sodium dodecyl sulfate. Langmuir 1991, v. 7, pp. 617-620.
Sarrazin-Cartalas A., Iliopoulos I., Audebert R., Olsson U. Association and thermal gelation in mixtures of hydrophobically modified polyelectrolytes and non-ionic surfactants. Langmuir 1994, v. 10, pp. 1421-1426.
Piculell L., Thuresson K., Ericsson O. Surfactant binding and micellisation in polymer solutions and gels: binding isotherms and their consequences. Faraday Discussions 1995, v. 101, pp. 307-318.
Noda T., Morishima Y. Hydrophobic association of random copolymers of sodium 2-(acrylamido)-2-methylpropanesulfonate and dodecyl methacrylate in water as studied by fluorescence and dynamic light scattering. Macromolecules 1999, v. 32, pp. 4631-4640.
Blagodatakikh I.V., Sutkevich M.V., Sitnikova N.L., Churochkina N.A., Pryakhina T.A., Philippova O.E., Khokhlov A.R. Polymers with strongly interacting groups. Molecular weight characterization using GPC/LS. J. Chromatography, in press, (2002).
Khandurina Yu. V., Rogacheva V.B., Zezin A.B., Kabanov V.A. Stablilty of Polycomplexes of Cross-Linked Polyelectrolytes with Surfactants in Aqueous Salt and Aqueous Organic Media. Polymer Science. V. 36, No. 2, 1994, pp. 195-199 translated from Vysokomolekulyarnye Soedineniya. vol. 36, No. 2, 19994, pp. 241-246.
Blagodatskikh Inesa Vasilievna
Filippova Olga Evgenievna
Khokhlov Alexei Removich
Zaroslov Yury Dmitrievich
DeStefanis Jody Lynn
Gaudier Dale
Loccisano Vincent P.
Schlumberger Technology Corporation
Tucker Philip C.
LandOfFree
Gelable liquid and method for selectively inhibiting the... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Gelable liquid and method for selectively inhibiting the..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Gelable liquid and method for selectively inhibiting the... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3704924