56 Result(s)
within
S. V. Serdyukov
Earth Sciences
English
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Article
Change in Permeability of Loose Rocks in Partial Impregnation with High-Elastic Polymer
The article describes the laboratory testing of permeability and structure of loose rock hardened with two-component highly elastic polyurethane resin at different methods of impregnation and at different cons...
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Article
Physical Modeling of Hydraulic Fracturing in Cross Boreholes in Nonuniform Stress Field
The article describes the lab-scale tests of hydraulic fracturing in the nonuniform stress field. Fractures were created in a system of two and three cross holes made in artificial cubic blocks with the edges ...
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Article
Permeability of Coal Cores with a Drainage Fracture with a Monolayer of Proppant
The article describes the studies on permeability of coal cores with a through drainage fracture with and without a monolayer of a proppant. The experimental procedure is descried. The parameters of the jointe...
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Article
Modeling Hydraulic Fracturing near Circular Underground Opening in Triaxial Compression
The article describes the numerical studies on propagation of hydraulic fracture in the nonuniform-stress elastic environment around a cylindrical cavity. The modeling used the extended method of finite elemen...
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Article
Measurement Equipment for Laboratory Research of Hydraulic Fracturing
The author focuses on the measurement and recording equipment for the laboratory research of hydraulic fracturing in the conditions of rock pressure simulation. The choice of the test values, discretization in...
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Article
Acoustic and Seismic Emission in Hydraulic Fracturing of Cement Block under Loading
The article describes the lab-scale testing data on acoustic and seismic emission generated in hydraulic fracturing of a cement block under volumetric loading by nonequal stresses. The connection of the acoust...
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Article
Soft Rock Reinforcement by Bicomponent Organomineral Resin Injection
The authors propose and analyze the method of soft rock reinforcement by injection of bicomponent organomineral resin with compressed-air blowing of reagents deeper in rocks. The bench tester structure, the po...
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Article
Shapes of Hydraulic Fractures in the Vicinity of Borehole-and-Branch Hole Junction
The authors describe numerical investigations of hydraulic fractures in boreholes with branches (intersecting boreholes). The directions of growing fractures were determined in the static problem solution by t...
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Article
Stable Created Fracture Growth between Two Parallel Boreholes
The authors describe numerical modeling of a growing fracture created between two parallel boreholes in an isotropic medium in the nonuniform stress field. The fracture paths are modeled at various deviations ...
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Article
3D Modeling of Hydraulic Fracturing in an Isotropic Elastic Medium with a Fracture Initiator at the Hole Bottom
The authors describe the numerical studies into hydraulic fracturing in an isotropic elastic medium with a fracture initiator set at the hole bottom. The influence of individual factors, including the depth of...
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Article
Shapes of Hydraulic Fractures in the Neighborhood of Cylindrical Cavity
The article presents the theoretical and experimental results on propagation of hydraulic fractures in the neighborhood of an extended cylindrical cavity in an isotropic elastic medium under the hydrostatic st...
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Article
Excitation of Seismic Vibrations in Fractures by Water Flow and Determination of the Flow Parameters Using the Seismic Radiation Patterns
The authors discuss the numerical and field research findings on seismic radiation of water flow in a fracture. The flow parameters can be remotely controlled using the amplitude-versus-frequency response of t...
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Article
LABORATORY INSTALLATION SIMULATING A HYDRAULIC FRACTURING OF FRACTURED ROCK MASS
The article presents the manufacturing procedure and the test results for a synthetic layered and jointed medium with a preset internal structure and the pronounced anisotropy of properties. The laboratory ins...
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Article
A METHOD FOR SIMULATING FLUID FILTRATION IN SOLID MINERAL RESERVOIRS DEVELOPED USING HYDRAULIC FRACTURING
The fluid flow modeling procedure used ABAQUS environment and the extended finite element method. The procedure is meant for calculating pore pressure distribution and gas and fluid flow directions in rock mas...
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Article
FRACTURING SIMULATION SOFTWARE FOR SOLID MINERAL MINING
The authors describe the structure, features and application of a software using the extended finite element method in ABAQUS. The software is meant for modeling hydraulic fracturing of permeable rock mass wit...
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Article
Technologies for Increasing Efficiency of Solid Mineral Mining with Hydraulic Fracturing
New methods and technical solutions are developed to stimulate degassing of coal seams based on fixed bridges and to form impermeable protective screens in the vicinity of underground workings. The features of...
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Article
Hydraulic Fracturing Effect on Filtration Resistance in Gas Drainage Hole Area in Coal
Features of stress state and jointing as well as their effect on hydraulic fracture propagation direction in coal seams are considered. The flow resistance in drainage areas is analyzed depending on hydrofract...
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Article
Features of Hydraulic Fracturing Propagation near Free Surface in Isotropic Poroelastic Medium
Numerical modeling results are presented for propagating an axially symmetric crack formed due to hydraulic fracturing near the free surface in the isotropic poroelastic medium. The extended finite element met...
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Article
Stimulation of Underground Degassing in Coal Seams by Hydraulic Fracturing Method
The problems preventing the use of mine hydraulic fracturing for stimulating the preliminary degassing in coal seams are considered. The solutions are presented for sealing the borehole interval by solidifying...
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Article
Experimental Estimate of Fracture Permeability with Proppant Made of Alumosilicate Microspheres in Shallow Hydraulic Fracturing in Oil Reservoirs
The result of laboratory tests on permeability of fractures with proppant made of alumosilicate microspheres ASPM-500 in combination with acid treatment for shallow fracking in thermal recovery of heavy oil ar...
