Method for determining real-time downhole mud properties...

Details Method for determining real-time downhole mud properties... Method for determining real-time downhole mud properties...

E - Fixed Constructions

21

B

E21B 47/00 (2006.01) E21B 49/00 (2006.01) G01N 11/08 (2006.01) G01N 33/28 (2006.01)

Patent

CA 2392969

A method is disclosed for determining the downhole rheological properties of a wellbore fluid. The method includes moving the wellbore fluid through a wellbore tool assembly into a wellbore at a first flow rate. A pressure is measured at a first position proximate a bottom of the wellbore. A pressure is measured at a second position in the wellbore axially separated from the first position. The wellbore fluid is then moved through the wellbore tool assembly at a second flow rate. Measuring pressure at the first and second positions is repeated, and at least one rheological property is determined from the pressure measurements.

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