Rock Disturbances Theory of Petroleum Emanations vs. the Anti-clinal or Structural Theory of Petroleum Accumulations
- Eugene Coste
- Document ID
- Society of Petroleum Engineers
- Transactions of the AIME
- Publication Date
- December 1915
- Document Type
- Journal Paper
- 504 - 520
- 1915. Original copyright American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc. Copyright has expired.
- 5.8.5 Oil Sand, Oil Shale, Bitumen, 1.2.3 Rock properties, 5.1.1 Exploration, Development, Structural Geology, 4.3.4 Scale, 1.6 Drilling Operations, 4.6 Natural Gas, 4.1.2 Separation and Treating, 4.1.5 Processing Equipment, 2.4.3 Sand/Solids Control, 5.1.2 Faults and Fracture Characterisation
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Although some of the observers who first paid especial attention to theoccurrences of oil and gas in the strata (such as Hunt in 1859, Andrews in1861; Winchell in 1865, Mendelejeff in 1876, Hofer in 1876, Minshall in 1881,and I. C. White in 1883) seem to have been impressed with the fact that oil andgas deposits were connected with the disturbances in the rocks caused by theirupheaval yet, with the exception of Mendelejeff, and possibly Andrews, theseobservers do not appear to have understood what is really the one essentialfactor in the occurrence of oil and gas in the strata: viz., the faulting,uplifting, fracturing, fissuring, and jointing always accompanying even slightrock disturbances, and in certain districts (petroliferous province) allowingsolfataric hydrocarbon emanations to force their way up from the interior andto reach and impregnate the porous portions of sediments subjected to thedisturbances. Instead of this simple explanation to account for the observedconnection between petroleum deposits and rock disturbances, most of theobservers mentioned above, and many others who have followed them on the samelines since, have entirely reversed the problem. To them, instead of thedissemination of gases from fissures into the sediments, it presented theaccumulation and concentration, according to anti-clinal or other geologicstructures, of oil and gas originally present throughout the whole mass of thestrata where they were produced by the decomposition or distillation of organicremains.
Whether this important problem involves accumulation from sources within thestrata themselves, or infiltration and dissemination from out- side sources,may be easily determined if all preconceived ideas are put aside and theestablished facts only are considered.
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