Temperature Control Unit 1 Drilling Fluid Rheology Newtonian Fluid:
Viscosity: Non-Newtonian Fluids: PAC and XCD were used to control the rheological parameters of the drilling fluid. Herschel-Bulkley Fluids: Apparent Viscosity: For Newtonian Fluids: 2 Rheology Temperature Effects 3 Rheologies of Test Fluids at Different Temperatures 4 Annular Pressure Loss Gradients at Different Temperatures Fluid A Fluid B 5 Small-Scale Flow Loop 6 Small-scale Flow Loop 7 Low Pressure Ambient Temperature Flow Loop 8” x 4-1/2” annulus 100’ long transparent test section 140 rpm max. drillpipe rotation Max. flow capacity: 750 gpm Angle of inclination: 00 – 900 8 Data Acquisition and Control System 9 LPAT FLOW LOOP CAPABILITES Conventional (pressible) Drilling Fluids Max Pressure: 50 psi Temperature: Ambient Max Pumprate: 650 gpm @ 50 psi ( Centrifugal Pump ) Compressible Drilling Fluids ( Foams & Aerated Muds ) Max Pressure: 120 psi ( pressor ) Temperature: Ambient Liquid Pumprate: 650 gpm Air Flowrate: 800 scfm @ 120 psi 10
