Question: For the following given data, estimate downstream pressure at choke: Upstream pressure: 1000 psia Choke size: 48 1/64 in. Flowline ID: 2 in. Gas production

  1. For the following given data, estimate downstream pressure at choke:

Upstream pressure:

1000

psia

Choke size:

48

1/64 in.

Flowline ID:

2

in.

Gas production rate:

6000

Mscf/d

Gas specific gravity:

0.70

1.0 for air

Gas specific heat ratio:

1.3

Upstream temperature:

120

oF

Choke discharge coefficient:

1.05

Gas viscosity

0.02

cp

Gas z-factor

1.0

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