TECTONIC DEFORMATION INFLUENCE ON FILTRATION-CAPACITIVE PROPERTIES OF DEEP-LYING ROCKS
The paper is dealing with the study of deformation and strength properties of various rocks, as well as collector properties of oil and gas reservoirs under various stress conditions, that are typical for large depths. Some features of fractures formation and development in heterogeneous solids unde...
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| Datum: | 2019 |
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| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | Ukrainisch |
| Veröffentlicht: |
Institute of Geological Sciences, NAS of Ukraine
2019
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| Schlagworte: | |
| Online Zugang: | http://geojournal.igs-nas.org.ua/article/view/169932 |
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| Назва журналу: | Geological journal |
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Geological journal| Zusammenfassung: | The paper is dealing with the study of deformation and strength properties of various rocks, as well as collector properties of oil and gas reservoirs under various stress conditions, that are typical for large depths. Some features of fractures formation and development in heterogeneous solids under extension and compression are identified. The characteristic features of the mechanism of irreversible deformation of rocks under uneven volume-strained state are considered. It has been defined that under conditions typical for depths of 8–10 km, irreversible deformation occurs with decompression of their structure, increasing the coefficients of porosity and permeability. Different dependences of volume growth and coefficient of permeability on the all-round compression under uneven triaxial stress, based on data of sandstone and marble, are shown. Typical diagrams of rocks deformations under uneven allround compression also are shown. |
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