HORIZONTAL SEPARATOR SIZING REFERENCE API RP 12J

FILENAME:STOCK SEP. 01/15/99

DATE 07/03/12 CLIENT PDVSAFACILITY PETROCAROBOBOSUBJECT Example CalcutaionTAG NO.PROJECT NO. PROCESS CONDITIONS

MIN. MAX.OPER. TEMP. (F) 100.00 100.00 OPER. PRESS. (PSIG) 55.00 55.00 GAS RATE (MMSCFD) 9.00 9.00 GAS S.G. 0.70 0.70 GAS COMP. FACTOR (Z) 0.987 0.987 SURGE FACTOR (i.e. 0%=1.0, 20%=1.2,ETC. 1.00 1.00 OIL RATE (BPD) 50000.00 50000.00 OIL RATE (CFM) 194.96 194.96 OIL GRAVITY (API) 16.00 16.00 OIL S.G. 0.76 0.76 WATER RATE (BPD) 1500.00 1500.00 WATER RATE (CFM) 5.85 5.85 WATER S.G. 1.05 1.05 TOTAL LIQUID RATE (BPD) W/SURGE FACTOR 51500.00 51500.00 TOTAL LIQUID RATE (CFM) 200.81 200.81 LIQUID S.G. 0.77 0.77 LIQUID RETENTION TIME (MIN.) 3.00 3.00 GAS DENSITY OPER. 0.24 0.24 GAS FLOW OPER. (MMCFD) 2.02 2.02 GAS FLOW OPER. (CFS) 23.35 23.35

GAS SIZING CONSTANT (K) = .38 TO .76 (API RP 12J) 0.650 0.650 MAX. ALLOW. VELOCITY (FPS) 9.20 9.20 REQUIRED AREA FOR GAS FLOW (SQ. FT.) 2.54 2.54 SEPARATOR % FULL OF LIQUID (ie,33,50) 75.00 75.00 REQUIRED VESSEL ID (FT.) 4.07 4.07 SELECTED VESSEL ID (IN.) 116.75 116.75 VESSEL LENGTH (FT) 38.92 38.92

LIQUID SIZING LIQUID RETENTION LENGTH (FT.) 15.00 15.00 LIQUID SETTLING VOLUME (CU. FT.) 897.14 897.14 LIQUID CAPACITY (BPD) 76692.06 76692.06

ACTUAL DESIGNVESSEL ID (IN.) 116.750 116.750 OVERALL LENGTH, S/S (FT) 40.00 40.00 LIQUID RETENTION LENGTH (FT.) 15.00 15.00 MAX. GAS CAPACITY (MMSCFD) 51.52 51.52 MAX. LIQUID CAPACITY, (BPD) 76692.06 76692.06 VESSEL WALL THICKNESS, INCHES 1.6250 1.6250

VESSEL HEAD THICKNESS, INCHES 1.6250 1.6250 VESSEL OD, (INCHES) 120.00 120.00