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ALTUS
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Net Oil Computer Manual
Contents
continued
Tables
Table 4-1 Densities and deviations for continuous mode . . . . 18
Table 4-2 Well data for well test mode. . . . . . . . . . . . . . . . . . . 21
Table 4-3 Transient bubble remediation parameters. . . . . . . . 23
Table 4-4 System parameters . . . . . . . . . . . . . . . . . . . . . . . . . 24
Table 4-5 Flow variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Table 4-6 Density inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Table 4-7 Temperature inputs . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 4-8 Flow calibration values . . . . . . . . . . . . . . . . . . . . . . 29
Table 4-9 D1 and D2 density values . . . . . . . . . . . . . . . . . . . . 30
Table 4-10 K1 and K2 tube period values . . . . . . . . . . . . . . . . . 31
Table 4-11 FD and dens temp coeff values. . . . . . . . . . . . . . . . 33
Table 4-12 Nominal FD values for sensors . . . . . . . . . . . . . . . . 34
Table 4-13 Temperature calibration values . . . . . . . . . . . . . . . . 35
Table 4-14 Sensor information variables. . . . . . . . . . . . . . . . . . 35
Table 4-15 Discrete output 1 power sources. . . . . . . . . . . . . . . 36
Table 4-16 Discrete output assignment variables . . . . . . . . . . . 36
Table 4-17 Fault conditions and settings for
milliamp outputs . . . . . . . . . . . . . . . . . . . . . . . . . 37
Table 4-18 Process variables for milliamp outputs . . . . . . . . . . 38
Table 4-19 Calibration span variables . . . . . . . . . . . . . . . . . . . . 39
Table 4-20 Pulse output variables . . . . . . . . . . . . . . . . . . . . . . . 40
Table 6-1 Continuous production measurements . . . . . . . . . . 51
Table 7-1 Performance measurements for
current well test. . . . . . . . . . . . . . . . . . . . . . . . . . 62
Table 7-2 Performance measurements for
previous well tests. . . . . . . . . . . . . . . . . . . . . . . . 65
Table 8-1 Using NOC alarms. . . . . . . . . . . . . . . . . . . . . . . . . . 68
Table 8-2 Using slug flow alarms. . . . . . . . . . . . . . . . . . . . . . . 69
Table 8-3 Using output saturation alarms . . . . . . . . . . . . . . . . 70
Table 8-4 Using totalizer alarms . . . . . . . . . . . . . . . . . . . . . . . 70
Table 8-5 Using calibration and trim alarms . . . . . . . . . . . . . . 71
Table 8-6 Using conditional status alarms. . . . . . . . . . . . . . . . 72
Table 8-7 Fault output levels . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Table 8-8 Configurations for fault outputs . . . . . . . . . . . . . . . . 73
Table 8-9 Using critical status fault alarms . . . . . . . . . . . . . . . 74
Table 8-10 Using transmitter failure fault alarms. . . . . . . . . . . . 74
Table 8-11 Troubleshooting excessive drive gain . . . . . . . . . . . 75
Table 8-12 Nominal resistance ranges for
flowmeter circuits. . . . . . . . . . . . . . . . . . . . . . . . . 77
Table 8-13 Troubleshooting sensor error fault alarms. . . . . . . . 77
Table 8-14 Density of air in grams per cubic centimeter . . . . . . 84
Table 8-15 Maximum flow rates for high-density
calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Table 8-16 Density of water. . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Table 9-1 Laboratory equipment for determining live oil
and produced water densities . . . . . . . . . . . . . . 87
Table 10-1 Approximate capacity of cylindrical vessels. . . . . . 97
Table 10-2 Approximate capacity of spherical ends . . . . . . . . 97
Table 11-1 Uncertainty factors for percent water cut and
percent net oil . . . . . . . . . . . . . . . . . . . . . . . . . . 107
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