10,351
edits
Changes
Jump to navigation
Jump to search
Line 21:
Line 21: − + − +
→Hydrocarbon against water
==Hydrocarbon against water==
==Hydrocarbon against water==
A fault is cross sealing if it juxtaposes hydrocarbon-bearing sands with water-wet sands, as illustrated in the following figure. Both oil and gas are prevented from flowing into the sand in the hanging wall (R<sub>d</sub>) by the cross-sealing fault.
A fault is cross sealing if it juxtaposes hydrocarbon-bearing sands with water-wet sands, as illustrated in [[:file:evaluating-top-and-fault-seal_fig10-6.png|Figure 1]]. Both oil and gas are prevented from flowing into the sand in the hanging wall (R<sub>d</sub>) by the cross-sealing fault.
[[file:evaluating-top-and-fault-seal_fig10-6.png|thumb|{{figure number|10-6}}See text for explanation.]]
[[file:evaluating-top-and-fault-seal_fig10-6.png|thumb|{{figure number|1}}A fault is cross sealing if it juxtaposes hydrocarbon-bearing sands with water-wet sands.]]
==Different hydrocarbon contacts==
==Different hydrocarbon contacts==