Q$4$:

$(25$ Points$)$

The following data are available for $8-in.$ wellbore:

Mud has a $12$ ppg density with the following rotational viscometer data:

${}_3=5$

${}_6=8$

${}_{300}=45$

${}_{600}=80$

$Q=350ga\frac{l}{m}in$

Drill Pipe: $,OD=5in.,ID=4\mathrm{.}276$ in$.,L=9,600ft$

Drill Collar: $,OD=6$ in$.,ID=2in.,L=900ft$

Bit

DN$1=$ DN$2=$ DN$3=13/32$nds $($in$)$

Surface connection group $3$ is used. Calculate:

Pump Pressure using API method assuming it is a power law fluid

Pump pressure using API method assuming it is a Bingham fluid

Pump pressure using RP $13$ D Method

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