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Determination of connectivity is of primary importance in petroleum reservoir characterization. Lack of connectivity can occur when the communication between two oil-producing zones is restricted. This subsurface condition is referred to as reservoir compartmentalization. Recognition of compartmentalization is often achieved by establishing whether two or more oils have the same molecular composition...
Hydraulic connectivity of petroleum reservoirs represents one of the biggest uncertainties for both oil production and petroleum system studies. Here, a geochemical analysis involving bulk and detailed measures of crude oil composition is shown to constrain connectivity more tightly than possible with conventional methods. Three crude oils from different depths in a single well exhibit large gradients...
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