The anticlinal theory of the origin of oil pools has dominated petroleum geology since first mentioned by T. Sterry Hunt in 1860. In spite of the importance and wide acceptance of this theory, the exact mode of oil migration and its accumulation to produce an oil pool is still a controversial problem and one concerning which quite divergent views are held by geologists at present. Recent investigations by chemical and petroleum engineers on the flow of fluids, fluid mixtures, and gas through sands have contributed some data toward the solution of this important. In this paper some of the results of recent work is reviewed briefly, and their application to the explanation of the migration of hydrocarbons through water-bearing sands is pointed out.

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