Method for conversion of oil-base mud to oil mud-cement

Details Method for conversion of oil-base mud to oil mud-cement Method for conversion of oil-base mud to oil mud-cement

1992-10-15

1993-05-25

Suchfield, George A.

Wells

Processes

Cementing, plugging or consolidating

166292, E21B 3313

Patent

active

052131602

ABSTRACT:
A water-in-oil emulsion drilling fluid can be converted into an oil mud-cement slurry for use in oil well cementing procedures. Also, a universal fluid can be prepared using the water-in-oil emulsion drilling fluid by treating with an hydraulic material so that it will lay down a filter cake during drilling which can be triggered to set into a hard cement and bond to the formation after the above oil mud-cement slurry has been placed in the borehole at the conclusion of drilling.

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