Present Interpretations of the Structural Theory for Oil and Gas Migration and Accumulation
The purpose of this paper is to present a review and an analysis of the published literature relating to the migration and accumulation of oil. Some available facts bearing on this subject, heretofore unpublished, have been used in the discussion. The final object of this analysis is to crystallize from the widely divergent views of previous writers the more probable values of each explanation and thus establish a starting point for future study along this line.
Any theory advanced to account for the migration and accumulation of oil is so intimately connected with ideas of oil origin and associated problems that a large part of this paper has been devoted to a discussion of these pertinent subjects as a necessary background for the consideration of migration.
The term “structural theory” is used rather than “anticlinal theory” throughout the paper because it is a term broad enough to include the occurrence of oil on the flanks of anticlines, in lenses, and in synclines, as well as the occurrence of oil on anticlines, domes, and noses.