Calculate the pressure losses across the different sections ofdrill pipe and annulus by using the Bingham plastic fluid model(You must draw the wellbore structure chart: without the chart, 50%points will be deducted) PROBLEM: MD/TVD: 12,031 ft Surface casing:2,135 ft of 133â„8-in. 61 lb/ft Intermediate casing: 10,786 ft of95â„8-in. 40 lb/ft Bit: 85â„8 in. Nozzles (32nds in.): 11, 11, 11Surface connections: Case 3 Drill pipe: 41â„2 in., 16.6 lb/ft Drillcollars: 390 ft of 7 in. x 21â„4 in. Surface pressure: 3,000 psi Mudweight: 12.8 lb/gal Funnel viscosity: 42 sec/qt Plastic viscosity:19 cP Yield point: 15 lb/100 ft2 Initial gel: 8 lb/100 ft2 Flowrate: 335 gpm
