Method for separation of solids from drilling fluids by magnetic

Details Method for separation of solids from drilling fluids by magnetic Method for separation of solids from drilling fluids by magnetic

1996-07-03

1999-08-31

Nguyen, Tuan N.

Classifying, separating, and assorting solids

Plural, diverse separating operations

Magnetic and fluid suspension

209214, 209725, 175 66, 175206, B03C 130, C09K 700

Patent

active

059441950

ABSTRACT:
A method is disclosed for treating drilling mud discharged from a well wherein the mud contains drill cuttings and paramagnetic materials such as hematite. The drilling mud is first passed through a high-gradient magnetic separator to separate the paramagnetic materials from the drilling mud. The drilling mud is then passed through a centrifuge separator to remove the drill cuttings from the drilling mud.

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H. Kolm, J. Oberteuffer and D. Kelland, Scientific American, "High-Gradient Magnetic Separation", 1975, v 233, No. 5, pp. 46-54.
D. Menzel, "A New Weighting Material for Drilling Fluids Based On Synthetic Iron Oxide", Society of Petroleum Engineers of AIME, SPE #4517; Copyright 1973.
N. R. Iammartino; "New Tasks for Magnetism"; Chemical Engineering; Jan. 7, 1974; pp. 50-52.

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