Downhole Multiphase Flowmeter Specifications
| Performance Data |
| Volumetric flow rate accuracy |
±1% (of measurement) |
| Flow rate accuracy, oil-water |
±5% (0 to100% WLR) |
| Flow rate accuracy, liquid-gas |
±5% (<30% or >90% GVF)
±20% (30 to 90% GVF) |
| Turndown ratio (maximum/minimum flow rate) |
>20 |
| Minimum flow velocity |
Liquid: 3 ft/sec (0.9 m/sec)
Gas: 10 ft/sec (3 m/sec) |
| Pressure rating |
10,000 PSI (690 bar)a |
| Operating temperature - Standard |
77° to 257°F (25° to 125°C) |
| Operating temperature - High Temp |
77° to 302°F (25° to 150°C) |
| Storage temperature - Standard |
–58° to 257°F (–50° to 125°C) |
| Storage temperature - High Temp |
–58° to 302°F (–50° to 150°C) |
| Vibration |
15 g rms, random
10 to 2,000 Hz (Nav Mat) |
| Shock |
100 g, 10 ms half sine |
| Material |
INCONEL® 718
Super Duplex 25 Chrome |
| Maximum tension and compression load |
Contact Weatherford |
| Connections (pin x pin) |
Premiumb |
| Maximum fiber step-out length |
31 mi (50 km)c |
| Fiber-optic connector |
3-pin dry-mate |
a Pressure rating depends on flowmeter size, material, and options. Contact Weatherford for pressure rating of a specific design.
b Premium connections are manufactured to client specifications.
c Maximum step-out length depends on well design.
| Dimensions and Dataab |
| Sizec |
Weight |
Minimum
ID |
Maximum
ID |
Standard
ODd |
Minimum Flow Ratee |
| in. |
(lb/ft) |
in.
mm |
in.
mm |
in.
mm |
bbl/d
m³/d |
| 2-3/8 |
4 to 5.8 |
1.867
47.4 |
2.041
51.8 |
4.375
111.1 |
1,000
159 |
| 2-7/8 |
6.4 to 8.6 |
2.259
57.4 |
2.441
62.0 |
4.875
123.8 |
1,500
239 |
| 3-1/2 |
9.2 to 10.2 |
2.922
74.2 |
2.992
76.0 |
5.500
139.7 |
2,150
342 |
| 4-1/2 |
12.75 to 15.1 |
3.758
95.5 |
3.958
100.5 |
6.500
165.1 |
3,500
557 |
| 5-1/2 |
17 to 20 |
4.778
121.4 |
4.892
124.3 |
7.500
190.5 |
6,000
954 |
a Flowmeter dimensions are designed to client specifications.
b Other sizes are available on request.
c Standard ODs without cable bypass or integrated pressure/temperature gauge.
d Minimum flowrate assumes liquid flow at flowmeter conditions. For gas or multiphase, contact Weatherford for a detailed analysis.
INCONEL is a registered trademark of the Special Metals Corporation group of companies.
Overview
Specifications
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