DrillingFluidrheology钻井液流变学英文课件.pptVIP

DrillingFluidrheology钻井液流变学英文课件.ppt

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DrillingFluidrheology钻井液流变学英文课件

Temperature Control Unit 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: Rheology Temperature Effects Rheologies of Test Fluids at Different Temperatures Annular Pressure Loss Gradients at Different Temperatures Small-Scale Flow Loop Small-scale Flow Loop Low Pressure Ambient Temperature Flow Loop Data Acquisition and Control System LPAT FLOW LOOP CAPABILITES Conventional (Incompressible) 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 ( Air Compressor ) Temperature: Ambient Liquid Pumprate: 650 gpm Air Flowrate: 800 scfm @ 120 psi Schematic Drawing of ACTF ACTF FLOW LOOP CAPABILITES Conventional (Incompressible) Drilling Fluids Max Pressure: 2,000 psi Max Temperature: 200 F Max Pumprate: 350 gpm @ 2,000 psi Compressible Drilling Fluids ( Foams Aerated Muds ) Max Pressure: 700 psi ( Moyno Pump: 500 psi Max Diff. Press. ) Max Temperature: 200 F Liquid Pumprate: 350 gpm ( 80 gpm Metering Pump + Halliburton ) Air Flowrate: 900 scfm max pressure 500 psi * * Fluid A Fluid B 8” I.D x 4-1/2” O.D annulus 100’ long transparent test section 140 rpm max. drillpipe rotation Max. flow capacity: 750 gpm Angle of inclination: 00 – 900 Experimental Setup Air Vent Cuttings Injection Tank Mud Tank Cuttings Collection Tank By-pass Line Excess Line Shale Shaker Test Section Three-way Holdup Valve Holdup Valve Pump Flow Rate Control Valve Mud In Cuttings Transfer Line Auger Cuttings Mud Return Bypass Valve Schematic View of LPAT Flow Loop Experimental Procedure Static Mixer Injec

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