separator design .xls

March 27, 2018 | Author: sondung4ver | Category: Gases, Liquids, Nozzle, Fluid Dynamics, Density


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PROCESS CALCULATIONHORIZONTAL SEPARATOR - ADEQUACY CHECK SHEET Project Area Equipment Objectives PROCESS DATA Operating pressure Operating temperature Gas Flow rate Molecular weight z Factor Viscosity Oil Flow rate Density Water Flow rate Density 900 psig o 250 F 30 MMscfd 31.47 0.9800 0.8 cP 1000 BOPD 3 47.10 lb/ft 250 BWPD 3 57.38 lb/ft V-300 Revision Page 1 Adequacy Check New Horizontal Separator VESSEL DIMENSION Inside Diameter Length T/T 42 in 16 ft 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 Settling Time LSH - TOV LSH - LSL (working level) LSL - BOV Nozzle criteria Inlet Gas outlet Liquid outlet Mesh Pad 0.35 ft/s (K factor is 0.22 - 0.39 ft/s) Ref. 2 5 minutes or min 12 in 12 in 6 in ρ.v2 ρ.v2 velocity 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 30 ft/s 0.v2 2 834 lb/ft/s 2 725 lb/ft/s 2 6 lb/ft/s 2 6 lb/ft/s Remark OK OK OK OK .86 0.34 SEPARATOR SIZING K factor correction Terminal velocity.83 7.LOSH LOSH .38 - Liquid 3.BOV NOZZLE SIZING 19 in 17 in 6 in 3 62.99 0.00 in Existing 10 10 3 3 in in in in Existing ρ. ft LEVEL RETENTION TIME ToV .06 0.9872313 ft 3 12.47 0.00 in Oil outlet 2.49 min OK OK OK Calculated Inlet Schoepentoeter or equivalent 6. Vt Horizontal gas velocity Liquid dropout time 0.PROCESS CALCULATION HORIZONTAL SEPARATOR .93 0.76 in Gas outlet 7.15 - Mixture 32.06 47.85 min 13.56 lb/ft3 cP 4.67 Remark Separation is OK Separation is OK Gas cross section area.80 Oil 3.6112988 ft 3 67.ADEQUACY CHECK SHEET Project Area Equipment PROPERTIES Mass flow rate Actual flow rate Molecular weight z Factor Density Viscosity lb/s ft3/s Gas 28.76 ft/s 6.37 ft/s 1. ft2 Gas path length.17 0.02 57.48 31.10 V-300 0 Revision Page 2 Water 0.95 min 2.LISL (working level) LISL .52 13.27 Available 4.98 3.34 in Water outlet 2.82 7.1469316 ft 12.08 49.21 s Required 1. 7 ft N4 2.3 ft Where: N1 = Nozzle inlet N2 = Nozzle gas outlet N3 = Nozzle Water outlet N4 = Nozzle Oil outlet .PROCESS CALCULATION HORIZONTAL SEPARATOR .ADEQUACY CHECK SHEET Project Area Equipment SKETCH V-300 0 Revision Page 3 N2 N1 LOSHH 27 in LOSH 23 in LISHH 11 in LISH 8 in NILL 7 in LISL 6 in LISLL 4 in NOLL 11 in LOSL 7 in LOSLL 5 in Weir 21 in 42 in 0 N3 L1 = 13.
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