Closure 08
Closure 08 : or more properly structural closure is a term geologists use to define the volume of rock in which oil, or gas, can accumulate. Closure is based on the shape of a geological structure and is usually defined as a specific depth. In some reservoirs oil can accumulate outside of structural closure and such reservoirs are referred to as having their hydrocarbon stratigraphically trapped. Stratigraphic traps accumulate oil in deposits shaped by processes such as rivers, beaches, reefs and fractures.
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