ERTH 2380 Flow Assurance Studies

2 3 4 5 6 7 8 m a r i n e d i s ta l s h a l e m a r

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Unformatted text preview: lic S h a le M a rine C a rbo na te M a rine M a rl H y p e r s a lin e C o a ly / R e s i n o u s e L a c u s t ri n e F r e s h L a c u s t ri n e S a l i n e W ' 'W 'W W ' 'W W' W ' 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W W ' 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W 'W W ax Clou d Po int Symbo ls 'W CP < 40° F 'W 40°F < CP < 80°F W ' 80°F < CP < 120°F 'W CP > 120°F 'W 'W'W 'W 'W Example Asphaltene STO Onset Test Example Asphaltene Titration Onset Graph 1.0E-01 Calculated Initial Slope = 2.21E-04 W / mL/g Calculated Initial Power = 3.98E-04 W Transmitted Laser Power (W) 1.0E-02 Calculated Precipitation Slope = -1.99 W / mL/g 1.0E-03 1.0E-04 Final Power = 8.40E-06 W Calculated Precipitation Onset = 0.9 mL/g "Effective" Angle Between Initial and Precipitation Slopes = 99.2° 1.0E-05 1.0E-06 0.0 0.5 1.0 1.5 Dilution Ratio (mL nC7 / g oil) 2.0 2.5 3.0 Asphaltene Stability Histogram Asphaltene Stability Histogram Marine Distal Shales Marine Paralic Shales Marine Carbonates Marine Marls Hypersaline Coaly/Resinous Lacustrine Fresh Lacustrine Saline 202 200 Number of Samples 150 100 80 50 24 Stable Asphaltenes Moderately Stable Asphaltenes Asphaltene Onset Classes Unstable Asphaltenes Asphaltene Stability Histogram High Thermal Maturity SamplesAsphaltene Stability Histogram (High Thermal Maturity Samples) Marine Distal Shales Marine Paralic Shales Marine Carbonates Marine Marls Hypersaline Coaly/Resinous Lacustrine Fresh...
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This document was uploaded on 03/26/2014 for the course ERTH 2380 at Dalhousie.

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