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Assessment of resource potential in major coal
basins |
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Can we enhance microbial generation of methane
in coals? |
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Using petroleum systems modeling to predict
volumes of undiscovered oil and gas |
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Environmental impacts |
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Gulf Coast – 8 tcf (0.5-1 So. Texas) |
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PRB (2001) – 14.26 tcf |
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Uinta-Piceance (2001) – 2.32 tcf |
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San Juan Basin (1995) – 7.53 tcf |
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Wind River Basin (1995) – 0.43 tcf |
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SW Wyoming (1995) – 3.89 tcf |
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Raton Basin (1995) – 1.78 tcf |
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Less than half of the known petroleum in the
world occurs in exclusively structural traps |
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World’s petroleum source rocks are dominated by
Type II source rocks. Type II
kerogens are 10 times more abundant than other petroleum source rock |
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Cenozoic petroleum systems are volumetrically
dominant and a significant amount of petroleum has been lost from older
petroleum systems |
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Possibly mega-cyclic controls on petroleum
systems suggested by the concentration near era boundaries of good source
rocks, reservoirs, and seals. |
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Continental, not deepwater, reservoirs are
volumetrically important |
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Undiscovered resources will most likely come
from clastic reservoirs |
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Long-range lateral migration is not as
signficant as once thought – almost 80 % of the hydrocarbon resources are
relatively close to the source rock |
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Many major conventional natural gas systems are
tied closely to very large unconventional, basin-centered gas resources |
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Notes