Method to form a barrier in reservoir with a...

Wells – Processes – Placing fluid into the formation

Reexamination Certificate

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C166S066500, C166S292000, C166S369000

Reexamination Certificate

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07032670

ABSTRACT:
A method of winning oil from a source via a bored well, wherein a magnetorheological fluid is introduced into the source via the bored well to reduce the water content of the oil won. Oil drilling is resumed in the presence of a magnetic field, thereby increasing the oil yield and/or decreasing the water content of the drilled oil.

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patent: 5238067 (1993-08-01), Jennings, Jr.
patent: 6250848 (2001-06-01), Moridis et al.
patent: 6527972 (2003-03-01), Fuchs et al.
patent: 6619388 (2003-09-01), Dietz et al.
patent: 6719055 (2004-04-01), Mese et al.
Bailey, Bill, et al., “Water Control”,Oilfield Review,(Spring 2000),30-51.
Zitha, P. L., et al., “Fluid Flow Control Using Magnetorheological Fluids”,Society of Petroleum Engineers #75144,(Apr. 13, 2002), 10 pp.

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