Liquid level Oil LOSHH 27 in LOSH 23 in NOLL 10.5 in LOSL 7 in LOSLL 5 in Liquid level Water LISHH 10.5 in LISH 8 in NILL 7 in LISL 6 in LISLL 4 in Weir Height 20.5 in Nozzle size Inlet Schoepentoeter or equivalent 10 in Gas outlet 10 in Water outlet 3 in Oil outlet 3 in
DESIGN CRITERIA Type of wire mesh K factor
Mesh Pad 0.35 ft/s
Settling Time LSH - TOV LSH - LSL (working level) LSL - BOV Nozzle criteria Inlet Gas outlet Liquid outlet
ρ.v2 ρ.v2 velocity
5 minutes
or min
(K factor is 0.22 - 0.39 ft/s)
12 in 12 in 6 in
2 4000 lb/ft/s 2 2500 lb/ft/s 6 ft/s
STANDARD & CODE 1 API 12J, Specification for Oil and Gas Separator 2 GPSA Engineering Data Book 12th edition 2004, Section 7 3 Deflector baffle equivalent to schoepentoeter
Ref. 2
PROCESS CALCULATION HORIZONTAL SEPARATOR - ADEQUACY CHECK SHEET 0
Project Area
Revision V-300
Equipment
2
Page
PROPERTIES Mass flow rate Actual flow rate Molecular weight z Factor Density Viscosity
lb/s ft3/s
lb/ft3 cP
Gas 28.83 7.48 31.47 0.98 3.86 0.80
Oil
Water 0.93
3.06 0.06
Liquid 3.99
0.02
-
47.10
0.08
7.56
57.38
-
-
Mixture 32.82 -
49.15
4.34
-
-
SEPARATOR SIZING K factor correction Terminal velocity, Vt
0.76 ft/s 6.37 ft/s
Horizontal gas velocity Liquid dropout time
1.30 ft/s 0.21 s
Gas cross section area, ft2 Gas path length, ft
Required 1.17 0.27
Available 4.52 13.67
Remark Separation is OK Separation is OK
LEVEL RETENTION TIME ToV - LOSH LOSH - LISL (working level) LISL - BOV
19 in 17 in 6 in
3 62.6112988 ft 3 67.9872313 ft 3 12.1469316 ft
12.85 min 13.95 min 2.49 min
OK OK OK
NOZZLE SIZING Calculated Inlet Schoepentoeter or equivalent 6.76 in Gas outlet 7.34 in Water outlet 2.00 in Oil outlet 2.00 in
