Question: For the following given data, calculate the gas flow rate through the choke: Upstream pressure: 750 psia Choke size: 48 1/64 in. Flowline ID: 2

  1. For the following given data, calculate the gas flow rate through the choke:

Upstream pressure:

750

psia

Choke size:

48

1/64 in.

Flowline ID:

2

in.

Downstream pressure:

500

psia

Gas specific gravity:

0.80

1.0 for air

Gas specific heat ratio:

1.25

Upstream temperature:

140

oF

Choke discharge coefficient:

1.05

Gas viscosity

0.02

cp

Gas z-factor

0.98

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