New PDF release: Thermal History of Sedimentary Basins: Methods and Case

By Nancy D. Naeser, Thane H. McCulloh

The choice of papers during this quantity is a right away results of the Society of financial Paleontologists and Mineralogists examine Symposium on "Thermal heritage of Sedimentary Basins: tools and Case Histories" held as a part of the yankee organization of Petroleum Geologists Annual conference in New Orleans in March 1985. the unique objective of the sym­ posium was once to supply a discussion board the place experts from a number of dis­ ciplines might current their perspectives of equipment that may be used to check the thermal background of a sedimentary basin or an immense component to a basin. An specific a part of that aim used to be to demonstrate each one process via presentation of a case historical past program. the unique target is addressed by means of the chapters during this quantity, every one of which emphasizes a slightly varied process and offers box information in a single means or one other to demonstrate the sensible worthwhile­ ness ofthe process. the importance of our relative lack of knowledge of the thermal conductivities of sedimentary rocks, in particular shales, in efforts to appreciate or version sedimentary basin thermal histories and maturation degrees is a tremendous thrust of the bankruptcy by way of Blackwell and Steele. Creaney makes a speciality of diversifications in kerogen composition in resource rocks of other depositional environments and the measure to which those chem- . ically detailed kerogens reply otherwise to innovative burial heating.

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Sample text

A good correspondence was found between temperature gradient and total gamma-ray activity or velocity (travel time). 7. 6. Plot oftemperature gradient, thermal conductivity, and heat flow as a function of depth for the Watson No. 1 well (Big Spring, Kansas, Fig. 4) . The solid line in the thermal conductivity column shows the thermal conductivity calculated from measurements of cuttings samples in the interval shown. The solid line in the heat-flow column indicates the heat flow calculated from the averaged temperature gradient and the measured thermal conductivity value within each interval.

Temperature gradient-depth, total gammaray, interval velocity, and calculated thermal conductivity logs for USGS GElS No. 1 well near Salina, Kansas (SW'ASW'ASW'A sec. 32, T. , R. ) . Several specific formations as well as generalized ages of the rocks are shown . ductivity. The following review is summarized from his discussion. Anand et al. (1973) investigated the correlation of physical properties and thermal conductivity. They worked with the Berea, Boise, Bandera, and several other unnamed sandstones.

Geological Survey Open-File Report 83-25, 10 pp. I 1971. Thermal conductivity of rocks from measurements on rock fragments and its application to heat-flow determinations. Iournal of Geophysical Research 76:33913401. E 1980. Continental stretching: An explanation of the post-mid-Cretaceous subsidence of the Central North Sea Basin. Iournal of Geophysical Research 85:3711-3739. A. 1976. Energy transport in thick sequences of compacting sediment. Geological Society of America Bulletin 87: 390-400.

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