Page 92 - Intelligent Digital Oil And Gas Fields
P. 92
Flowmeter—cont’d Accuracy Water (Mscf/d) Fate Flow Cut GOR Tolerance Turndown 10, 100, 1000, 10,000, … 1e6 (%) (Mscf/Bls) 70:1 0–100 <3.0 0.5% less 0.05% 100:1 0–100 <5.0 rate total of GOR) low (if 0.5% less 0.02% 100:1 0–100 0.1–1000 total of (before separation)
a Reservoir Applicability oil oil Heavy low oil GOR oil Heavy Multiphase plus: flows Salinity Density Flow regime
Selecting Fluid Black Black • • •
for a in rate, rate drop particles cut
Factors Property Measured Volume displaced (flow cell Q) flow (m f ) Pressure Gas Water
Important Mass
Most of Measurement displacement (intrusive) flowmeter Densitometer Flowmeter
the Principles Positive meter Differential pressure
of Mass
Summary piston meter
A vane meter +Electromagnetic
2.1 Flowmeter Reciprocal Multiphase +Venturi +Ultrasonic
Table Disk Rotary Coriolis