Lecture 18 (Friday, March 1): Petroleum Accumulations
Brief outline of this lecture:
Were oil accumulates in earth.
Main points of this lecture:
Oil rises through the earth until or unless blocked by impermeable rocks.
In a petroleum accumuation, gas will rise above oil.
Various geologic geometries can trap petroleum.
Exploitation of a petroleum accumulation often involves drillng several wells in key locations. Exploitation of a petroleum accumulation can involves pumping fluids into the earth, rather than out.
Figures used in this lecture:
An Idealized Petroleum Accumulation
Basic Elements Required for a Petroleum Accumulation
Sketches of Petroleum Traps
Exploitation of a Discovered Petroleum Accumulation
Reading assignment: Pages 300-301 and Figure 13.4 on page 302.
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UGA Geology Department web page