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Influence of mechanochemical effects on elastic and strength properties of reservoir rocks

Authors: S.N. Popov (Oil and Gas Research Institute of RAS, RF, Moscow)
Key words: mechanochemical effects, Rebinder effect, tensile strength, compressive strength, elastic properties, effective stresses.
The paper presents an overview and analysis of scientific studies on the influence of mechanical effects (including Rebinder effect) on mechanical properties of reservoir rocks. Some basic experimental and theoretical results of these studies are presented. Significant degree of influence of mechanochemical effects on elastic and strength properties of reservoir are showed.
References
1. Mikhaylov N.N., Izmenenie fizicheskikh svoystv gornykh porod v
okoloskvazhinnykh zonakh (Change in the physical properties of rocks in
boreholes zones), Moscow: Nedra Publ., 1987, 152 p.
2. Popov S.N., Method of modeling of a well bottom hole with account of
cracks' permeability (In Russ.), Geologiya, geofizika i razrabotka neftyanykh i gazovykh mestorozhdeniy, 2011, no. 10, pp. 40-43.
3. Dobrynin V.M., Deformatsii i izmeneniya fizicheskikh svoystv kollektorov nefti i gaza (Deformation and changes in the physical properties of oil and gas
reservoirs), Moscow: Nedra Publ., 1970, 239 p.
4. Kashnikov O.Yu., Gladyshev S.V., Popov S.N. et al., Optimization of parameters
and period of reservoir pressure maintenance system commissioning
taking into account changes in reservoir filtration-capacity properties
(In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2010, no. 5, pp. 80-83.
5. Deliya S.V., Abukova L.A., Abramova O.P. et al., Features of collectors, underground
and technical waters interaction during exploitation of Yu.Korchagin
oil-gas-condensate field (In Russ.), Neftyanoe khozyaystvo = Oil Industry,
2013, no. 3, pp. 18-22.
6. Mulyak V.V., Poroshin V.D., Gattenberger Yu.P. et al., Gidrokhimicheskie
metody analiza i kontrolya razrabotki neftyanykh i gazovykh mestorozhdeniy
(Hydrochemical methods of analysis and control of oil and gas fields development), Moscow: GEOS Publ., 2007, 245 p.
7. Popov S.N., Geochemical interaction formation and injected water with
fractured carbonate reservoirs (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2013, no. 5, pp. 76-79.
8. Gutierrez M., Oino L.E., Hoeg K., The effect of fluid content on the mechanical behavior of fractures in chalk, Rock mechanics and rock engineering, 2000, no. 33(2), pp. 93-117.
9. Rzhevskiy V.V., Novik G.Ya., Osnovy fiziki gornykh porod (Foundations of rocks physics), Moscow: Nedra Publ., 1978, 390 p.
10. Elsworth D., Yasuhara H., Short-timescale chemo-mechanical effects and
their influence on transport properties of fracture rock, Pure and applied geophysics, 2006, V. 163, pp. 2051-2070.
11. Polak A., Elsworth D., Liu J., Grader A., Spontaneous switching of permeability changes in limestone fracture under net dissolution, Water resources research, 2004, V. 40, W03502, DOI:10.1029/2003WR002717.
Key words: mechanochemical effects, Rebinder effect, tensile strength, compressive strength, elastic properties, effective stresses.
The paper presents an overview and analysis of scientific studies on the influence of mechanical effects (including Rebinder effect) on mechanical properties of reservoir rocks. Some basic experimental and theoretical results of these studies are presented. Significant degree of influence of mechanochemical effects on elastic and strength properties of reservoir are showed.
References
1. Mikhaylov N.N., Izmenenie fizicheskikh svoystv gornykh porod v
okoloskvazhinnykh zonakh (Change in the physical properties of rocks in
boreholes zones), Moscow: Nedra Publ., 1987, 152 p.
2. Popov S.N., Method of modeling of a well bottom hole with account of
cracks' permeability (In Russ.), Geologiya, geofizika i razrabotka neftyanykh i gazovykh mestorozhdeniy, 2011, no. 10, pp. 40-43.
3. Dobrynin V.M., Deformatsii i izmeneniya fizicheskikh svoystv kollektorov nefti i gaza (Deformation and changes in the physical properties of oil and gas
reservoirs), Moscow: Nedra Publ., 1970, 239 p.
4. Kashnikov O.Yu., Gladyshev S.V., Popov S.N. et al., Optimization of parameters
and period of reservoir pressure maintenance system commissioning
taking into account changes in reservoir filtration-capacity properties
(In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2010, no. 5, pp. 80-83.
5. Deliya S.V., Abukova L.A., Abramova O.P. et al., Features of collectors, underground
and technical waters interaction during exploitation of Yu.Korchagin
oil-gas-condensate field (In Russ.), Neftyanoe khozyaystvo = Oil Industry,
2013, no. 3, pp. 18-22.
6. Mulyak V.V., Poroshin V.D., Gattenberger Yu.P. et al., Gidrokhimicheskie
metody analiza i kontrolya razrabotki neftyanykh i gazovykh mestorozhdeniy
(Hydrochemical methods of analysis and control of oil and gas fields development), Moscow: GEOS Publ., 2007, 245 p.
7. Popov S.N., Geochemical interaction formation and injected water with
fractured carbonate reservoirs (In Russ.), Neftyanoe khozyaystvo = Oil Industry, 2013, no. 5, pp. 76-79.
8. Gutierrez M., Oino L.E., Hoeg K., The effect of fluid content on the mechanical behavior of fractures in chalk, Rock mechanics and rock engineering, 2000, no. 33(2), pp. 93-117.
9. Rzhevskiy V.V., Novik G.Ya., Osnovy fiziki gornykh porod (Foundations of rocks physics), Moscow: Nedra Publ., 1978, 390 p.
10. Elsworth D., Yasuhara H., Short-timescale chemo-mechanical effects and
their influence on transport properties of fracture rock, Pure and applied geophysics, 2006, V. 163, pp. 2051-2070.
11. Polak A., Elsworth D., Liu J., Grader A., Spontaneous switching of permeability changes in limestone fracture under net dissolution, Water resources research, 2004, V. 40, W03502, DOI:10.1029/2003WR002717.


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