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PROCESS CALCULATION HORIZONTAL SEPARATOR - ADEQUACY CHECK SHEET Project Area Revision Equipment V-300 Page 1 Objectives Adequacy Check New Horizontal Separator PROCESS DATA VESSEL DIMENSION Operating pressure 20 psig Inside Diameter 120 in Operating temperature 94 Length T/T 23 ft Gas Flow rate 5 MMscfd Liquid level Oil Molecular weight 31.47 LOSHH 27 in z Factor 0.9800 LOSH 23 in Viscosity 0.8 cP NOLL 10.5 in Oil LOSL 7 in Flow rate 7600 BOPD LOSLL 5 in Density 53.90 Liquid level Water Water LISHH 10.5 in Flow rate 32400 BWPD LISH 8 in Density 57.38 NILL 7 in LISL 6 in LISLL 4 in Weir Height 20.5 in Nozzle size Inlet Schoepentoeter 20 in Gas outlet 12 in Water outlet 6 in Oil outlet 10 in DESIGN CRITERIA Type of wire mesh Mesh Pad K factor 0.35 ft/s (K factor is 0.22 - 0.39 ft/s) Ref. 2 Settling Time LSH - TOV 12 in LSH - LSL (working leve 5 minutes or min 12 in LSL - BOV 6 in Nozzle criteria Inlet 4000 Gas outlet 2500 Liquid outlet velocit 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 o F lb/ft 3 lb/ft 3 ρ.v 2 lb/ft/s 2 ρ.v 2 lb/ft/s 2
Transcript of Test
PROCESS CALCULATION
HORIZONTAL SEPARATOR - ADEQUACY CHECK SHEET
Project
Area Revision
Equipment V-300 Page 1
Objectives Adequacy Check New Horizontal Separator
PROCESS DATA VESSEL DIMENSION
Operating pressure 20 psig Inside Diameter 120 in
Operating temperature 94 Length T/T 23 ft
Gas
Flow rate 5 MMscfd Liquid level Oil
Molecular weight 31.47 LOSHH 27 in
z Factor 0.9800 LOSH 23 in
Viscosity 0.8 cP NOLL 10.5 in
Oil LOSL 7 in
Flow rate 7600 BOPD LOSLL 5 in
Density 53.90 Liquid level Water
Water LISHH 10.5 in
Flow rate 32400 BWPD LISH 8 in
Density 57.38 NILL 7 in
LISL 6 in
LISLL 4 in
Weir Height 20.5 in
Nozzle size
Inlet Schoepentoeter or 20 in
Gas outlet 12 in
Water outlet 6 in
Oil outlet 10 in
DESIGN CRITERIA
Type of wire mesh Mesh Pad
K factor 0.35 ft/s (K factor is 0.22 - 0.39 ft/s) Ref. 2
Settling Time
LSH - TOV 12 in
LSH - LSL (working level) 5 minutes or min 12 in
LSL - BOV 6 in
Nozzle criteria
Inlet 4000
Gas outlet 2500
Liquid outlet velocity 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
oF
lb/ft3
lb/ft3
ρ.v2 lb/ft/s2
ρ.v2 lb/ft/s2
PROCESS CALCULATION
HORIZONTAL SEPARATOR - ADEQUACY CHECK SHEET
Project 0
Area Revision
Equipment V-300 Page 2
PROPERTIES
Gas Oil Water Liquid
Mass flow rate lb/s 4.81 26.62 120.81 147.43
Actual flow rate 25.63 0.49 2.11 2.60
Molecular weight 31.47 - - -
z Factor 0.98 - - -
Density 0.19 53.90 ### ###
Viscosity cP 0.80 - - -
SEPARATOR SIZING
K factor correction 0.76 ft/s
6.37 ft/s
Horizontal gas velocity 1.30 ft/s
Liquid dropout time 0.21 s
Required Available Remark
4.03 68.02 Separation is OK
Gas path length, ft 0.27 13.67 Separation is OK
LEVEL RETENTION TIME
ToV - LOSH 97 in ### 7.48 min OK
LOSH - LISL (working level) 17 in ### 0.94 min Not OK
LISL - BOV 6 in ### 0.14 min OK
NOZZLE SIZING
Calculated Existing Remark
Inlet Schoepentoeter or equivalen 13.79 in 20 in 903 OK
Gas outlet 6.38 in 12 in 200 OK
Water outlet 8.02 in 6 in 6598 Nozzle is under size
Oil outlet 3.88 in 10 in 855 OK
ft3/s
lb/ft3
Terminal velocity, Vt
Gas cross section area, ft2
ft3
ft3
ft3
Existing ρ.v2
lb/ft/s2
lb/ft/s2
lb/ft/s2
lb/ft/s2
PROCESS CALCULATION
HORIZONTAL SEPARATOR - ADEQUACY CHECK SHEET
0
2
Mixture
152.23
28.23
-
-
4-Jan-00
-
Remark
Separation is OK
Separation is OK
Nozzle is under size
PROCESS CALCULATION
HORIZONTAL SEPARATOR - ADEQUACY CHECK SHEET
Project 0
Area Revision
Equipment V-300 Page 3
SKETCH
LOSHH 27 in
LOSH 23 in Weir 21 in 120 in
LISHH 11 in NOLL 11 in
LISH 8 in LOSL 7 in
NILL 7 in LOSLL 5 in
LISL 6 in
LISLL 4 in
L1 = 13.7 ft 9.3 ft
Where:
N1 = Nozzle inlet
N2 = Nozzle gas outlet
N3 = Nozzle Water outlet
N4 = Nozzle Oil outlet
N2
N1
N4
0
N3
