Fractures are a universal element in sedimentary rock layers, so much that they are virtually omnipresent in outcrops of sedimentary rocks. Think of all the outcrops of sedimentary rocks that you have ever seen and try to recall a layer that was completely unfractured, with the possible exception of extremely ductile rock, such as salt or certain shales, you will not be able to recall any unfractured rocks simply because they do not exist. Further, it has been demonstrated over and over again that the vast majority of fractures observed in outcrop are not solely the result of surface conditions. In other words, the fractures seen in outcrop also exist in the subsurface. Therefore, it follows that hydrocarbon reservoirs in sedimentary rock all contain fractures and most of them are fractured enough to be treated as fractured reservoirs.
DETALLES
Name:
Geologic Analysis of Naturally Fractured Reservoirs SECOND EDITION.
Author: R.A. Nelson
Capacity disk: 6 MB
Publisher: Gulf Publishin Company.
Languaje: English
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