Method and apparatus for measuring fluid density and...

Details Method and apparatus for measuring fluid density and... Method and apparatus for measuring fluid density and...

E - Fixed Constructions

21

B

E21B 21/08 (2006.01) E21B 21/00 (2006.01) E21B 21/01 (2006.01) G01N 9/26 (2006.01) G01N 11/08 (2006.01) G01N 33/28 (2006.01)

Patent

CA 2338119

A drilling fluid analyzing apparatus has at least two sensors is used to analyze drilling fluid that contains cuttings. The sensors are mounted vertically spaced in a well riser and in communication with well return fluid. The sensors convert the pressure exerted by the return fluid to signals that are then conveyed to a processor. The processor determines the density of the return fluid, and the fluid density is indicative of borehole cleaning efficiency. Two additional sensors may be added to the drilling fluid input mud pipe to sense the pressure exerted by the drilling mud before it is contaminated with cuttings.

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