On influence of stylolites on reservoir properties of famennian carbonate rocks using Fourier spectra

Authors: N.G. Nurgalieva (Kazan (Volga Region) Federal University, RF, Kazan),

Key words: stylolite, limestone, Famennian stage, reservoir properties, Fourier spectra.

In present paper some aspects of stylolites morphology, classifications and genesis have been regarded on core samples of Famennian carbonate rocks from well on southern slope of South-Tatarian Dome. It was observed the presence of stylolites with sizes of 10-2m, of suture, prisma and peak shapes. Fourier spectra can be used to measure and to classify stylolites as well as to estimate their influence on reservoir properties of carbonate rocks.

References
1. Geologicheskoe stroenie i neftegazonosnost' Orenburgskoy oblasti (Geological
structure and hydrocarbon potential of the Orenburg region), Orenburg:
Orenburgskoe knizhnoe izdatel'stvo Publ., 1997, 272 p.
2. Dunham R.J., Classification of carbonate rocks according to depositional
texture, In: Classification of carbonate rocks according to depositional texture,
In: Classification of carbonate rocks – a symposium, AAPG Mem., 1962,
V. 1, pp. 108-121.
3. Lucia F.J., Rock fabric/petrophysical classification of carbonate pore
space for reservoir characterization, AAPG Bulletin, 1995, V. 79, no. 9, pp.
1275-1300.
4. Sheppard T.H., Stylolite development at sites of primary and diagenetic
fabric contrast within the Sutton Stone (Lower Lias), Ogmore-by-Sea, Glamorgan,
UK, Proceedings of the Geologists Association, 2002, V. 113, pp. 97-10.
5. Park W.C., Schot E.H., Stylolites: their nature and origin, J. of Sedimentary
Petrology, 1968, V. 38, pp. 175–191.
6. Koehn D., Ebner M. Renard F., Toussaint R., Passchier C.W., Modelling of stylolite geometries and stress scaling, Earth and Planetary Science Letters, 2012,
V. 341, pp. 104-113.
7. Van Golf-Recht T.D., Fundamentals of fractured reservoir engineering, Elsevier
Scientific Publishing Co., Amsterdam, The Netherlands, 1982, 608 p.
8. Railsback L.B., Lithologic controls on morphology ofpressure-dissolution surfaces (stylolites and dissolution seams) in Palaeozoic carbonate rocks from the
Mideastern United States, J. of Sedimentary Petrology, 1993, V. 63, pp. 513-522.
9. Schroeder M., Fractals, chaos, power laws: minutes from an infinite paradise,
W H Freeman and Company, 1991, 429 p.
10. Nurgalieva N.G., Nurgaliev D.K., Uchenye zapiski Kazanskogo universiteta,
Seriya Estestvennye nauki, 2008, V. 150, no. 1, pp. 157-167.
11. Railsback L.B., Evaluation of spacing of stylolites and its impkications for
self-organization of pressure dissolution, J. of Sedimentary Research, 1998,
V. 68, pp. 2-7.

Key words: stylolite, limestone, Famennian stage, reservoir properties, Fourier spectra.

In present paper some aspects of stylolites morphology, classifications and genesis have been regarded on core samples of Famennian carbonate rocks from well on southern slope of South-Tatarian Dome. It was observed the presence of stylolites with sizes of 10-2m, of suture, prisma and peak shapes. Fourier spectra can be used to measure and to classify stylolites as well as to estimate their influence on reservoir properties of carbonate rocks.

References
1. Geologicheskoe stroenie i neftegazonosnost' Orenburgskoy oblasti (Geological
structure and hydrocarbon potential of the Orenburg region), Orenburg:
Orenburgskoe knizhnoe izdatel'stvo Publ., 1997, 272 p.
2. Dunham R.J., Classification of carbonate rocks according to depositional
texture, In: Classification of carbonate rocks according to depositional texture,
In: Classification of carbonate rocks – a symposium, AAPG Mem., 1962,
V. 1, pp. 108-121.
3. Lucia F.J., Rock fabric/petrophysical classification of carbonate pore
space for reservoir characterization, AAPG Bulletin, 1995, V. 79, no. 9, pp.
1275-1300.
4. Sheppard T.H., Stylolite development at sites of primary and diagenetic
fabric contrast within the Sutton Stone (Lower Lias), Ogmore-by-Sea, Glamorgan,
UK, Proceedings of the Geologists Association, 2002, V. 113, pp. 97-10.
5. Park W.C., Schot E.H., Stylolites: their nature and origin, J. of Sedimentary
Petrology, 1968, V. 38, pp. 175–191.
6. Koehn D., Ebner M. Renard F., Toussaint R., Passchier C.W., Modelling of stylolite geometries and stress scaling, Earth and Planetary Science Letters, 2012,
V. 341, pp. 104-113.
7. Van Golf-Recht T.D., Fundamentals of fractured reservoir engineering, Elsevier
Scientific Publishing Co., Amsterdam, The Netherlands, 1982, 608 p.
8. Railsback L.B., Lithologic controls on morphology ofpressure-dissolution surfaces (stylolites and dissolution seams) in Palaeozoic carbonate rocks from the
Mideastern United States, J. of Sedimentary Petrology, 1993, V. 63, pp. 513-522.
9. Schroeder M., Fractals, chaos, power laws: minutes from an infinite paradise,
W H Freeman and Company, 1991, 429 p.
10. Nurgalieva N.G., Nurgaliev D.K., Uchenye zapiski Kazanskogo universiteta,
Seriya Estestvennye nauki, 2008, V. 150, no. 1, pp. 157-167.
11. Railsback L.B., Evaluation of spacing of stylolites and its impkications for
self-organization of pressure dissolution, J. of Sedimentary Research, 1998,
V. 68, pp. 2-7.


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