Rashid Khan 2006-07 SPE Distinguished Lecture - Society of ...
Rashid Khan 2006-07 SPE Distinguished Lecture - Society of ...
Rashid Khan 2006-07 SPE Distinguished Lecture - Society of ...
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Many field treatment are already viable<br />
Remove H2S H S in crude oil in the field; viscosity reduction<br />
• Sour crude have high elemental S (>0.5%), dissolved H2S H<br />
• Maya, Qatar, W. Texas: 200 -350 ppmw<br />
• H2S S is removed in the field strippers, desalters or holding tanks, but elemental S<br />
may remain; the easiest way to remove is by upgrading (T, t, catalysts).<br />
alysts).<br />
1000<br />
Actual Data<br />
H2S S Concentration<br />
1400<br />
Lowering crude viscosity in field?<br />
V A P O R S P A C E C O N C (P P M<br />
900<br />
800<br />
700<br />
600<br />
500<br />
400<br />
300<br />
200<br />
VAPOR<br />
100 PPM<br />
CRUDE OIL<br />
1 PPM<br />
WATER<br />
10 PPM<br />
cP<br />
1200<br />
1000<br />
800<br />
600<br />
400<br />
200<br />
0<br />
Fuel<br />
Petroleum Sludge<br />
5, 100 15, 200 25, 300 35, 400 45, 500 55, 600<br />
sec, sec-1<br />
100<br />
Processed<br />
Raw<br />
0<br />
1 2 3 4 5 6 7 8 9 10 11 12 13 14<br />
LIQUID CONC (PPMW)<br />
Physical treatment eased transport<br />
US Patent Application 2004/0035749<br />
US Patent 6,444,117<br />
25<br />
24
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