Download Chemistry of Oil Recovery by Robert T. Johansen and Robert L. Berg (Eds.) PDF

By Robert T. Johansen and Robert L. Berg (Eds.)

content material: Cation alternate, surfactant precipitation, and adsorption in micellar flooding / Robert D. Walker, Jr., W.E. Ray, M.K. Tham, and M.C. Lee --
The impact of surfactant constitution on low interfacial tensions / Peter H. Doe, Mahmoud M. El-Emary, William H. Wade, and Robert S. Schechter --
part habit of a natural alkyl aryl sulfonate surfactant / E.I. Franses, H.T. Davis, W.G. Miller, and L.E. Scriven --
Colloidal homes of sodium carboxylates / W.H. Baldwin and G.W. Neal --
Experimental thermochemistry of oil restoration micellar platforms / R.L. Berg, L.A. Noll, and W.D. solid --
Participation of selective local petroleum fractions in decreasing interfacial tensions of aqueous alkaline structures / P.A. Farmanian, N. Davis, J.T. Kwan, R.M. Weinbrandt, and T.F. Yen --
Spontaneous emulsification and the impact of interfacial fluid houses on coalescence and emulsion balance in caustic flooding / D.T. Wasan, S.M. Shah, M. Chan, okay. Sampath, and R. Shah --
comparability of resolution homes of mobility keep an eye on polymers / Esref Unsal, John Larry Duda, and Elmer Klaus.

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19 wt%. U n d e r t h e m i c r o s c o p e b o t h l a y e r s were h e t e r o g e n e o u s , t h o u g h t h e r e were f a r more s p h e r u l i t e s i n t h e l o w e r l a y e r t h a n i n t h e u p p e r one. ; ACS Symposium Series; American Chemical Society: Washington, DC, 1979. 3. FRANSES E T AL. ch003 s p h e r u l i t e s with diameter o f s e v e r a l microns remained d i s p e r s e d f o r weeks o r months; no d o u b t s u b m i c r o s c o p i c f r a g m e n t s were e v e n slower to sediment.

M. and Brandner, C. , J. , 60, 473 (1977). 7. Wilson, P. , Murphy, L. C. and Foster, W. , "The Effects of Sulfonate Molecular Weight and Salt Concentration on the Interfacial Tension of Oil-BrineSurfactant Systems," Paper SPE 5812. Presented at the SPE Symposium on Improved Oil Recovery, Tulsa, Oklahoma, March 22-24, 1976. 8. Cayias, J. L. Schechter, R. S. and Wade, W. , J. , 59, 31 (1977). 9. Cayias, J. , Schechter, R. , and Wade, W. , J. , 59, 39 (1977). 10. Cash, R. L . , et al. p. , Champaign, Illinois, (1977).

There^îs an obvious c o r r e l a t i o n between these two. Furthermore, none of the group I I s u r f a c t a n t s gave a n ^ i n t e r f a c i ^ l tensions against a crude o i l which was below 1CT dyne CÏÏT . ^10 dyne cm" a g a i n s t alkanes gave values below 1CT dyne cm" against crude o i l s . C l e a r l y , t h i s p a r t i c u l a r s e l e c t i o n of s u r f a c t a n t s d i v i d e s , i n t h e i r i n t e r f a c i a l t e n s i o n behavior a g a i n s t crude o i l s , along the l i n e s which were p r e d i c t e d by c o n s i d e r i n g t h e i r alkane preferences.

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