Magnetized drive fluids

Details Magnetized drive fluids Magnetized drive fluids

1983-09-30

1986-04-01

Suchfield, George A.

Wells

Processes

Electric current or electrical wave energy through earth for...

166274, 166275, 208 11LE, 252 855D, E21B 4322, C10B 104

Patent

active

045791732

ABSTRACT:
A process for the recovery of a fluid from a porous formation whereby fingering effects are controlled by applied magnetic field. The process comprises injecting a displacement fluid and ferrofluid, or a ferrofluid-containing displacement fluid, in an effective amount to displace fluid from the formation, applying a magnetic field containing a gradient of field intensity across said formation, driving the displaced fluid through the formation and recovering the displaced first fluid.

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patent: 4380266 (1983-04-01), Wellington
patent: 4450909 (1984-05-01), Sacuta
Saffman and Taylor, Proc. Royal Soc. A., 245; 312-329 (1958).
Rosensweig, Zahn Vogler, "Thermomechanics of Magnetic Fluids", B. Berkovsky, editor, McGraw Hill, 1978, pp. 195-211.
Zahn and Rosensweig, IEEE Transactions on Magnetics, vol. MAG-16, No. 2, Mar. 1980, pp. 275-282.

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