E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 21/06 (2006.01) F26B 5/00 (2006.01) G01N 33/28 (2006.01)
Patent
CA 2289964
There is provided an improved method for removing water from oil based drilling fluids used in the drilling of boreholes through the ground wherein MgSO4 (magnesium sulfate) is added to the drilling fluid to scavenge the water therefrom.
Jeanson David Roger
Smith Richard J.
Moffat & Co.
Newpark Canada Inc.
Newpark Drilling Fluids Canada Inc.
LandOfFree
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