PURPOSE
Measurement of weight and volume of crude oil and liberated associated petroleum gas after the oil-andgas-
and-water mixture separation in the separatorsurge vessel, as well as determination of water proportion in the well product (with moisture meter or under samples analysis).
UNITS SPECIFICATIONS
| Parameter | Value |
| Maximum operating pressure, MPA | 4,0 |
| Flow range | |
| - at crude oil volume measurement under the operation conditions, m³/day | 2 - 210 |
| - at crude oil weight measurement under the operation conditions, t/day | from 2 ·10⁻3 to 420 |
| - at liberated associated gas volume measurement under the operation conditions, m³/day | 27 - 10290 |
| Measurement allowable relative error within the flow range, %, not over | |
| - crude oil weight | ± 2,5 |
| - crude oil volume under the operation conditions | ± 0,75 |
| - volume of crude oil reduced to standard conditions | ± 1,0 |
| - volume of liberated associated petroleum gas under the operation conditions | ± 4,0 |
| - volume of liberated associated petroleumgas reduced to standard conditions | ± 5,0 |
PARAMETERS OF THE MEASURED MEDIUM
| Parameter | Value | |
| Temperature, ° C | 0 to plus 110 | |
| Density, kg/m3 | 700 - 1360 | |
| Kinematic viscosity range, m2/s | from 1 to 1·10-2 | |
|
Volumetric content (fraction) of liberated associated petroleum gas in |
0 - 98 | |
| Volume fraction of water in measured medium,% | 0 - 98 | |
|
Content of hydrogen sulphide in liberated |
@ 1.83 MPa | 4 |
| At pressure over 1.83 MPa to max operating pressure | 1 | |
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