21 research outputs found
Nanostructures Created in Cobalt-Based Amorphous Microwires for Magnetic Sensors
In this paper, we have focused on determination of the influence prolonged heat treatments of amorphous alloy on the processes of structural relaxation and thermally induced atomic regions formed up to 10 nm in size of the Co-Si-B system.ΠΠ²ΡΠΎΡΡ Π²ΡΡΠ°ΠΆΠ°ΡΡ Π±Π»Π°Π³ΠΎΠ΄Π°ΡΠ½ΠΎΡΡΡ Π·Π° ΡΠΈΠ½Π°Π½ΡΠΎΠ²ΡΡ ΠΏΠΎΠ΄Π΄Π΅ΡΠΆΠΊΡ Π ΠΎΡΡΠΈΠΉΡΠΊΠΎΠ³ΠΎ Π½Π°ΡΡΠ½ΠΎΠ³ΠΎ ΡΠΎΠ½Π΄Π°, Π³ΡΠ°Π½Ρ 20-19-00607
SYNTHESIS OF VISCOELASTIC MATERIAL MODELS (SCHEMES)
The principles of structural viscoelastic schemes construction for materials with linear viscoelastic properties in accordance with the given experimental data on creep tests are analyzed. It is shown that there can be only four types of materials with linear visco-elastic properties
ΠΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ½ΠΎΠ΅ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΠ΅ ΠΏΠ΅ΡΡΠΎΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΡ ΡΠ²ΠΎΠΉΡΡΠ² ΠΏΡΠΎΠ΄ΡΠΊΡΠΈΠ²Π½ΡΡ ΠΎΡΠ»ΠΎΠΆΠ΅Π½ΠΈΠΉ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ Π―ΠΠ
The paper presents the results of comprehensive determination of productive deposits petrophysical properties using the NMR method. The subject of research is the productive deposits of one of the Volga-Ural oil-and-gas province fields. Efficiency of the short-time porosity estimation by NMR technique is shown. This approach allows excluding of cleaning core process. The author computed the empirical relationships of clay content and NMR results for the Visean terrigenous deposits of the study field.ΠΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ½ΠΎΠ³ΠΎ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΠΏΠ΅ΡΡΠΎΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ²ΠΎΠΉΡΡΠ² ΠΏΡΠΎΠ΄ΡΠΊΡΠΈΠ²Π½ΡΡ
ΠΎΡΠ»ΠΎΠΆΠ΅Π½ΠΈΠΉ ΠΎΠ΄Π½ΠΎΠ³ΠΎ ΠΈΠ· ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΠΉ ΠΠΎΠ»Π³ΠΎ-Π£ΡΠ°Π»ΡΡΠΊΠΎΠΉ Π½Π΅ΡΡΠ΅Π³Π°Π·ΠΎΠ½ΠΎΡΠ½ΠΎΠΉ ΠΏΡΠΎΠ²ΠΈΠ½ΡΠΈΠΈ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ Π―ΠΠ . ΠΠΎΠΊΠ°Π·Π°Π½Π° ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΡΠΊΡΠΏΡΠ΅ΡΡΠ½ΠΎΠΉ ΠΎΡΠ΅Π½ΠΊΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΠΊΠΎΡΡΡΠΈΡΠΈΠ΅Π½ΡΠ° ΠΏΠΎΡΠΈΡΡΠΎΡΡΠΈ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ Π―ΠΠ , ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡΡΠ°Ρ ΠΏΡΠΎΠΏΡΡΡΠΈΡΡ ΡΡΠ°ΠΏ ΡΠΊΡΡΡΠ°Π³ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΎΠ±ΡΠ°Π·ΡΠΎΠ² ΠΊΠ΅ΡΠ½Π°. ΠΠΎΠ»ΡΡΠ΅Π½Ρ ΡΠΌΠΏΠΈΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠΈ Π΄Π»Ρ ΠΏΡΠΎΠ³Π½ΠΎΠ·ΠΈΡΠΎΠ²Π°Π½ΠΈΡ ΠΊΠΎΡΡΡΠΈΡΠΈΠ΅Π½ΡΠ° ΠΎΠ±ΡΠ΅ΠΌΠ½ΠΎΠΉ Π³Π»ΠΈΠ½ΠΈΡΡΠΎΡΡΠΈ ΠΏΠΎ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ°ΠΌ Π―ΠΠ -ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ Π΄Π»Ρ Π²ΠΈΠ·Π΅ΠΉΡΠΊΠΈΡ
ΡΠ΅ΡΡΠΈΠ³Π΅Π½Π½ΡΡ
ΠΎΡΠ»ΠΎΠΆΠ΅Π½ΠΈΠΉ ΠΈΠ·ΡΡΠ°Π΅ΠΌΠΎΠ³ΠΎ ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΡ
Identification of carbonate rocks petrophysical types with nuclear magnetic resonance experiments data taking into account their lithological characteristics
ΠΠΊΡΡΠ°Π»ΡΠ½ΠΎΡΡΡ. ΠΠ½Π°ΡΠΈΡΠ΅Π»ΡΠ½Π°Ρ ΡΠ°ΡΡΡ ΠΌΠΈΡΠΎΠ²ΡΡ
Π·Π°ΠΏΠ°ΡΠΎΠ² ΡΠ³Π»Π΅Π²ΠΎΠ΄ΠΎΡΠΎΠ΄ΠΎΠ² ΠΏΡΠΈΡΡΠΎΡΠ΅Π½Π° ΠΊ ΠΊΠ°ΡΠ±ΠΎΠ½Π°ΡΠ½ΡΠΌ ΡΠ΅Π·Π΅ΡΠ²ΡΠ°ΡΠ°ΠΌ, Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·ΡΡΡΠΈΠΌΡΡ ΡΠ»ΠΎΠΆΠ½ΡΠΌ ΡΡΡΠΎΠ΅Π½ΠΈΠ΅ΠΌ ΠΏΡΡΡΠΎΡΠ½ΠΎΠ³ΠΎ ΠΏΡΠΎΡΡΡΠ°Π½ΡΡΠ²Π°. ΠΠΎΠ΄ΡΡΠ΅Ρ Π·Π°ΠΏΠ°ΡΠΎΠ² ΠΈ ΠΏΡΠΎΠ΅ΠΊΡΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠΈ ΡΠ°ΠΊΠΈΡ
Π·Π°Π»Π΅ΠΆΠ΅ΠΉ ΡΡΠ΅Π±ΡΡΡ Π΄Π΅ΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΈΠ·ΡΡΠ΅Π½ΠΈΡ ΡΡΡΡΠΊΡΡΡΡ ΠΏΡΡΡΠΎΡΠ½ΠΎΠ³ΠΎ ΠΏΡΠΎΡΡΡΠ°Π½ΡΡΠ²Π°, ΠΊΠΎΡΠΎΡΠ°Ρ Π½Π°ΠΏΡΡΠΌΡΡ ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΠ΅Ρ ΠΊΠΎΠ»Π»Π΅ΠΊΡΠΎΡΡΠΊΠΈΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° ΠΏΠΎΡΠΎΠ΄. ΠΡΠ΄Π΅Π»Π΅Π½ΠΈΠ΅ ΠΏΠ΅ΡΡΠΎΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΊΠ»Π°ΡΡΠΎΠ² ΠΏΠΎΡΠΎΠ΄ ΡΠ²Π»ΡΠ΅ΡΡΡ Π½Π΅ΠΎΡΡΠ΅ΠΌΠ»Π΅ΠΌΠΎΠΉ ΡΠ°ΡΡΡΡ ΠΏΠΎΡΡΡΠΎΠ΅Π½ΠΈΡ ΠΏΠ΅ΡΡΠΎΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΌΠΎΠ΄Π΅Π»ΠΈ Π·Π°Π»Π΅ΠΆΠΈ ΡΠ³Π»Π΅Π²ΠΎΠ΄ΠΎΡΠΎΠ΄ΠΎΠ². ΠΠ΅ΡΠΎΠ΄ ΡΠ΄Π΅ΡΠ½ΠΎΠ³ΠΎ ΠΌΠ°Π³Π½ΠΈΡΠ½ΠΎΠ³ΠΎ ΡΠ΅Π·ΠΎΠ½Π°Π½ΡΠ° (Π―ΠΠ ) ΡΠ²Π»ΡΠ΅ΡΡΡ ΠΎΠ΄Π½ΠΈΠΌ ΠΈΠ· ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ² ΠΈΠ·ΡΡΠ΅Π½ΠΈΡ ΡΡΡΡΠΊΡΡΡΡ ΠΏΡΡΡΠΎΡΠ½ΠΎΠ³ΠΎ ΠΏΡΠΎΡΡΡΠ°Π½ΡΡΠ²Π° Π³ΠΎΡΠ½ΡΡ
ΠΏΠΎΡΠΎΠ΄ ΠΈ ΠΈΠΌΠ΅Π΅Ρ ΡΡΠ΄ ΠΏΡΠ΅ΠΈΠΌΡΡΠ΅ΡΡΠ² ΠΏΠ΅ΡΠ΅Π΄ Π΄ΡΡΠ³ΠΈΠΌΠΈ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ. ΠΠ΄Π½Π°ΠΊΠΎ Π² ΠΎΠΏΡΠ±Π»ΠΈΠΊΠΎΠ²Π°Π½Π½ΠΎΠΉ Π»ΠΈΡΠ΅ΡΠ°ΡΡΡΠ΅ ΠΎΡΡΡΡΡΡΠ²ΡΠ΅Ρ ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΡ ΠΎ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠΈ Π΄Π°Π½Π½ΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π° Π΄Π»Ρ ΡΠ΅ΡΠ΅Π½ΠΈΡ Π·Π°Π΄Π°Ρ ΠΏΠ΅ΡΡΠΎΡΠΈΠΏΠΈΠ·Π°ΡΠΈΠΈ. Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ Π²ΡΠ΄Π΅Π»Π΅Π½ΠΈΡ ΠΏΠ΅ΡΡΠΎΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΊΠ»Π°ΡΡΠΎΠ² Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π΄Π°Π½Π½ΡΡ
ΡΠ΄Π΅ΡΠ½ΠΎΠ³ΠΎ ΠΌΠ°Π³Π½ΠΈΡΠ½ΠΎΠ³ΠΎ ΡΠ΅Π·ΠΎΠ½Π°Π½ΡΠ° ΠΈ ΠΌΠΈΠΊΡΠΎΠ»ΠΈΡΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΎΠΏΠΈΡΠ°Π½ΠΈΡ ΡΠ»ΠΈΡΠΎΠ² ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡ Π·Π½Π°ΡΠΈΡΠ΅Π»ΡΠ½ΠΎ ΡΠ»ΡΡΡΠΈΡΡ ΠΊΠ°ΡΠ΅ΡΡΠ²ΠΎ ΠΏΠ΅ΡΡΠΎΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠ΅Π½ΠΈΡ Π³Π΅ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΈ Π³ΠΈΠ΄ΡΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΌΠΎΠ΄Π΅Π»ΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π·Π°Π»Π΅ΠΆΠΈ ΠΈ, ΡΠ»Π΅Π΄ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΠΎ, ΠΏΠΎΠ²ΡΡΠΈΡΡ ΡΠΎΡΠ½ΠΎΡΡΡ ΠΏΠΎΠ΄ΡΡΠ΅ΡΠ° Π·Π°ΠΏΠ°ΡΠΎΠ² ΡΠ³Π»Π΅Π²ΠΎΠ΄ΠΎΡΠΎΠ΄ΠΎΠ² ΠΈ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΠΈΡ
ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠΈ. Π¦Π΅Π»Ρ: Π²ΡΠ΄Π΅Π»Π΅Π½ΠΈΠ΅ ΠΏΠ΅ΡΡΠΎΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠΈΠΏΠΎΠ² ΠΊΠ°ΡΠ±ΠΎΠ½Π°ΡΠ½ΡΡ
ΠΏΠΎΡΠΎΠ΄ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π΄Π°Π½Π½ΡΡ
ΡΠ΄Π΅ΡΠ½ΠΎΠ³ΠΎ ΠΌΠ°Π³Π½ΠΈΡΠ½ΠΎΠ³ΠΎ ΡΠ΅Π·ΠΎΠ½Π°Π½ΡΠ° ΠΈ ΠΌΠΈΠΊΡΠΎΠΎΠΏΠΈΡΠ°Π½ΠΈΡ ΡΠ»ΠΈΡΠΎΠ², Π° ΡΠ°ΠΊΠΆΠ΅ ΠΎΡΠ΅Π½ΠΊΠ° ΠΏΡΠ°Π²ΠΈΠ»ΡΠ½ΠΎΡΡΠΈ Π²ΡΠ΄Π΅Π»Π΅Π½ΠΈΡ ΠΊΠ»Π°ΡΡΠΎΠ² ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ ΠΌΠ°ΡΠ΅ΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠΉ ΡΡΠ°ΡΠΈΡΡΠΈΠΊΠΈ. ΠΠ±ΡΠ΅ΠΊΡ: ΠΊΠ°ΡΠ±ΠΎΠ½Π°ΡΠ½ΡΠ΅ ΠΏΠΎΡΠΎΠ΄Ρ ΡΠΎΡΠΌΠ°ΡΠΈΠΈ ΠΠΈΡΡΠΈΡ, ΡΠ²Π»ΡΡΡΠ΅ΠΉΡΡ ΠΏΡΠΎΠ΄ΡΠΊΡΠΈΠ²Π½ΠΎΠΉ Π² ΡΠ°Π·ΡΠ΅Π·Π΅ ΠΎΠ΄Π½ΠΎΠ³ΠΎ ΠΈΠ· ΠΌΠ΅ΡΡΠΎΡΠΎΠΆΠ΄Π΅Π½ΠΈΠΉ ΠΠ΅ΡΠΎΠΏΠΎΡΠ°ΠΌΡΠΊΠΎΠΉ Π½Π΅ΡΡΠ΅Π³Π°Π·ΠΎΠ½ΠΎΡΠ½ΠΎΠΉ ΠΏΡΠΎΠ²ΠΈΠ½ΡΠΈΠΈ. ΠΠ΅ΡΠΎΠ΄Ρ: Π°Π½Π°Π»ΠΈΠ· ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ² Π―ΠΠ -ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ ΠΎΠ±ΡΠ°Π·ΡΠΎΠ² ΠΊΠ΅ΡΠ½Π°, ΠΌΠΈΠΊΡΠΎΠΎΠΏΠΈΡΠ°Π½ΠΈΡ ΡΠ»ΠΈΡΠΎΠ² ΠΈ ΡΡΠ°Π½Π΄Π°ΡΡΠ½ΡΡ
Π»Π°Π±ΠΎΡΠ°ΡΠΎΡΠ½ΡΡ
ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ ΠΊΠ΅ΡΠ½Π°, ΠΌΠ΅ΡΠΎΠ΄Ρ ΠΌΠ°ΡΠ΅ΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠΉ ΡΡΠ°ΡΠΈΡΡΠΈΠΊΠΈ. Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ. ΠΠ° ΠΎΡΠ½ΠΎΠ²Π΅ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ½ΠΎΠ³ΠΎ Π°Π½Π°Π»ΠΈΠ·Π° ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ² Π―ΠΠ -ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ ΠΊΠ΅ΡΠ½Π° ΠΈ ΠΌΠΈΠΊΡΠΎΠΎΠΏΠΈΡΠ°Π½ΠΈΡ ΡΠ»ΠΈΡΠΎΠ² Π²ΡΠ΄Π΅Π»Π΅Π½Ρ ΡΡΠΈ ΠΏΠ΅ΡΡΠΎΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΊΠ»Π°ΡΡΠ° Π² ΡΠ°Π·ΡΠ΅Π·Π΅ ΠΈΠ·ΡΡΠ°Π΅ΠΌΠΎΠΉ ΡΠΊΠ²Π°ΠΆΠΈΠ½Ρ, Π²ΡΠΊΡΡΠ²ΡΠ΅ΠΉ ΠΏΡΠΎΠ΄ΡΠΊΡΠΈΠ²Π½ΡΠ΅ ΠΎΡΠ»ΠΎΠΆΠ΅Π½ΠΈΡ: ΠΎΠ±ΡΠ°Π·ΡΡ ΡΠΎ ΡΡΡΡΠΊΡΡΡΠ°ΠΌΠΈ ΠΏΠΎΡΠΎΠ΄Ρ Π²Π°ΠΊΡΡΠΎΡΠ½ ΠΈ Π²Π°ΠΊΡΡΠΎΡΠ½/ΡΠ»Π°ΡΡΡΡΠΎΡΠ½ ΠΎΠ±ΡΠ΅Π΄ΠΈΠ½Π΅Π½Ρ Π² 1 ΠΊΠ»Π°ΡΡ, ΡΠΎ ΡΡΡΡΠΊΡΡΡΠ°ΠΌΠΈ ΠΏΠ°ΠΊΡΡΠΎΡΠ½, Π³ΡΠ΅ΠΉΠ½ΡΡΠΎΡΠ½ ΠΈ ΡΡΠ΄ΡΡΠΎΡΠ½ - Π²ΠΎ 2 ΠΊΠ»Π°ΡΡ, ΠΈ ΡΠΎ ΡΡΡΡΠΊΡΡΡΠΎΠΉ ΡΡΠ΅ΠΉΠΌΡΡΠΎΡΠ½ - Π² 3 ΠΊΠ»Π°ΡΡ. ΠΠ°Π½Π½Π°Ρ ΠΏΠ΅ΡΡΠΎΡΠΈΠΏΠΈΠ·Π°ΡΠΈΡ ΠΏΠΎΠ΄ΡΠ²Π΅ΡΠΆΠ΄Π΅Π½Π° ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ°ΠΌΠΈ ΡΡΠ°ΡΠΈΡΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π°Π½Π°Π»ΠΈΠ·Π°.The relevance. Significant part of world hydrocarbons reserves is confined to carbonate reservoirs, which are characterized by complex structure of voids. Reserves estimation and development design of such reservoirs require detailed study of porous media structure, that directly influences the reservoir properties. Identification of petrophysical rock classes is an integral part of hydrocarbons reservoir petrophysical model building. Nuclear magnetic resonance (NMR) method is one of the methods of rock porous structure research and has a number of advantages over other methods. However, there is no information in the published literature about application of this method for petrophysical typing. The results of petrophysical classes identification based on integration of NMR experiments and thin sections description data enhance the quality of reservoir geological and hydrodynamic simulation and hence improve accuracy of hydrocarbons reserves estimation and efficiency of field development. The main aim of the research is carbonate rock petrophysical typing based on integration of NMR experiments and thin sections description data, and estimation of classes identification accuracy with the methods of mathematical statistics. Object: carbonate rocks of Mishrif formation, which is productive in the field of Mesopotamian oil-and-gas province. Methods: analysis of core sample NMR experiments results, thin sections description and routine core analysis, methods of mathematical statistics. Results. Three petrophysical rock types are identified in the log of the well, which intersects productive deposits. The types are: 1st class (wackestone and wackestone/floatstone rock structure), 2nd class (packstone, grainstone and rudstone rock structure) and 3rd class (framestone rock structure). These petrophysical classes are proved with statistical analysis results