Page 91 - Intelligent Digital Oil And Gas Fields
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of of total rate Continued
4% rate water) 5% rate water) of homogenized) total
Tolerance less 2% total no (if less 1% total no (if 0.25% rate (if of 1%
Turndown 5:1 5:1 10:1 12:1 100:1 10:1
(Mscf/d) 10, 100, 1000, 10,000, … 1e6
Accuracy Fate Flow
Water Cut (%) <10 <5 0–100 <10 0–100 <30
(Mscf/Bls) GOR >20 >100 >10 1.0<GOR <3.0 >5.0
Flowmeter >5
a Reservoir Applicability gas gas Wet Gas condensate oil w/low GOR GOR Dry/wet gas
Selecting Fluid Dry Black High
for
Factors Property Measured Pressure and drop momentum (ρ v 2 ) velocity (v)
Important Fluid
Most of Measurement intrusive) meter intrusive)
the Principles Differential pressure (all Velocity (all
of
Summary
A plates nozzle tubes meter meter
2.1 Flowmeter Rotameter
Table Orifice Flow Venturi Turbine Vortex