Geochemistry - Theory and Techniques
Tar Pit
Sulukta Oil Spring
Geochemisty and Seepage
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Burning Seep
Oil Drop Seep
Near surface geochemical exploration for hydrocarbons is a natural extension of the first
exploration method, seepage. The first oil well drilled by Colonel Drake in 1858 was drilled
on the banks of Oil creek and over the next 60 years most oil was discovered from seeps.
Along with macro-seepage detection, a number of
very successful oil finders claimed that they could
"smell" the oil they discovered.
Massive seepage, like tar pits or oil springs represent a tiny fraction of hydrocarbon
accumulations, a slightly larger percentage have small but still visible seeps. However, almost
all accumulations have detectable amounts of seepage when using modern analytical
chemistry.
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