By Jeffrey M. Lemm
This accomplished textual content and accompanying CD-ROM will give you the reader with an built-in evaluate of diagenesis and porosity evolution in carbonate petroleum reservoirs and old carbonate rock sequences.
The preliminary chapters of this quantity offer an outline of the carbonate sedimentologic approach and the applying of series stratigraphic ideas to carbonate rock sequences. the character of carbonate porosity and its regulate through diagenesis is explored. Porosity category schemes are unique, in comparison, and their application tested. the character and features of diagenetic environments and instruments for his or her reputation within the old checklist are specified.
The center chapters of the e-book encompass an intensive exam of the most important, surficial diagenetic environments, corresponding to basic marine, evaporative marine and meteoric environments, emphasising porosity enhancing techniques illustrated by means of a variety of case histories. There f
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Extra info for Carbonate Reservoirs
1975; Ginsburg and Choi, 1984) (Fig. 8A). Under arid conditions, this lagoon may be filled with evaporites during the transgression (Moore, 1989). Transgressive keep-up shelf margins are commonly reefal in nature. During the sea level highstand, the aggradational shelf margin may shift to progradation, as the rate of formation of new accommodation space slows. Top sets progressively thin during this period and the lagoon may be filled with prograding tidal flats and inner shelf sand shoals (Fig.
The carbonate ramp depositional model. Used with permission of Blackwell Science. 16 THE NATURE OF THE CARBONATEDEPOSITIONAL SYSTEM during perturbations of sea level. The best example of a modem carbonate ramp is the Trucia1 Coast of the Arabian Gulf. 17 illustrates the ramp depositional model. The inner shallow ramp is characterized by high-energy shoreline grainstones because of unimpeded wave travel across the shallower portions of the ramp. Barrier beachkidal channel complexes reminiscent of siliciclastic shorelines are generally well developed.
The three basic systems tracts are lowstand system tract (LST), transgressive system tract (TST), and highstand systems tract (HST). Changing rates of sediment accommodation during a major relative sea level cycle forms them. L. applied almost exclusively to siliciclastic regimens. However, as will be seen in the following discussion, the model may be applied to carbonates with some modifications related to some basic differences between the sedimentology of siliciclastics versus the sedimentology of carbonates.