18 Result(s)
within
Article
T. V. Shilova
Earth Sciences
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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
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
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
Monitoring Rock Mass Condition Using the Fundamental Mode Rayleigh Wave
The authors propose a new approach to processing multichannel data on surface waves to enhance interference immunity of dispersion curves of the Rayleigh wave phase velocities determined from the analysis of m...
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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
Prediction of In-Situ Cleaved Coal Permeability
The procedure is developed for permeability prediction in deep-level fractured coal. Coal permeability and microstructure are experimentally studied on samples taken from Tikhov Mine. The predictive relationsh...
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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
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...
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Article
Laboratory Installation and Procedure to Determine Gas Permeability of Rocks
The article presents the installation meant for the determination of gas permeability of rock specimens placed in a testing cell with the adjustable axial and lateral compression. The installation includes a m...
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Article
Open-hole multistage hydraulic fracturing system
The presented system is intended for multistage hydraulic fracturing in long open holes of any orientation to create transversal fractures with a radius to 5 m in soft and medium-hard rocks. The downhole syste...
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Article
Experimental test of directional hydraulic fracturing technique
The article reports the data of a lab test of directional hydraulic fracturing carried out on a block made of organic glass. A fracture across a hole is created by means of additional shearing stress applied t...
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Article
Polymeric insulating compositions for impervious screening in rock masses
The three-component polyurethane composition is developed to create impervious screens in rock mass by hydraulic fracturing technique. Formulas for working fluids and their injection charts are given. The arti...
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Article
Down-the-hole device for measuring recovery and coal permeability
A down-the-hole device has been designed for gas dynamics analysis in coal. The device is manufactured based on the layout of a straddle packer with an adjustable interval. The device design is suitable for hy...
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Article
Protection of operating degassing holes from air inflow from underground excavations
The article considers the method of recovering structural integrity of operating degassing holes without outage and the scheme of cross-wise hydraulic fracturing in the hole-bottom zone using mechanical anchor...
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Article
Procedure and equipment for sealing coal bed methane drainage holes by barrier shielding
The article presents guidelines, test model design and barrier shield design model aimed to improve the quality of sealing coal bed methane drainage holes by the barrier shielding method.
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Article
Sealing of coal bed methane drainage holes by barrier screening method
The authors have developed the barrier screening method to seal coal bed methane drainage holes. The method reduces air leakage from enclosing rocks to evacuation holes. The compositions of screens with extern...
