[go: up one dir, main page]

Adhikary et al., 2015 - Google Patents

Modelling of longwall mining-induced strata permeability change

Adhikary et al., 2015

View PDF
Document ID
7312930857852348830
Author
Adhikary D
Guo H
Publication year
Publication venue
Rock Mechanics and Rock Engineering

External Links

Snippet

The field measurement of permeability within the strata affected by mining is a challenging and expensive task, thus such tests may not be carried out in large numbers to cover all the overburden strata and coal seams being affected by mining. However, numerical modelling …
Continue reading at www.academia.edu (PDF) (other versions)

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25—Methods for stimulating production
    • E21B43/26—Methods for stimulating production by forming crevices or fractures
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/10—Locating fluid leaks, intrusions or movements
    • E21B47/1015—Locating fluid leaks, intrusions or movements using tracers: using radioactivity
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/006—Measuring wall stresses in the borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0035—Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C41/00—Methods of underground or surface mining; Lay-outs therefor
    • E21C41/16—Methods of underground mining; Layouts therefor
    • E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00—Testing foundations or foundation structures

Similar Documents

Publication Publication Date Title
Adhikary et al. Modelling of longwall mining-induced strata permeability change
Sui et al. Interactions of overburden failure zones due to multiple-seam mining using longwall caving
Le et al. A discontinuum modelling approach for investigation of longwall top coal caving mechanisms
Li et al. Architecture, stress state and permeability of a fault zone in Jiulishan coal mine, China: Implication for coal and gas outbursts
Jiang et al. Influence of fracture-induced weakening on coal mine gateroad stability
Adhikary et al. Measurement of longwall mining induced strata permeability
Gao et al. Evaluation of coal longwall caving characteristics using an innovative UDEC Trigon approach
Peng Topical areas of research needs in ground control–a state of the art review on coal mine ground control
Singh et al. Engineering rock mass classification
Schumacher et al. Modeling the pipe umbrella roof support system in a Western US underground coal mine
Wold et al. The role of spatial variability in coal seam parameters on gas outburst behaviour during coal mining
Lorig et al. Guidelines for numerical modelling of rock support for mines
Shen et al. Monitoring and modelling stress state near major geological structures in an underground coal mine for coal burst assessment
Zhao et al. Distribution characteristics of floor pore water pressure based on similarity simulation experiments
Zhang et al. Longwall mining–induced damage and fractures: Field measurements and simulation using FDM and DEM coupled method
Yang et al. The influence of heading rate on roof stability in coal entry excavation
He et al. A method for predicting the water-flowing fractured zone height based on an improved key stratum theory
Meng et al. In situ investigation and numerical simulation of the failure depth of an inclined coal seam floor: a case study
Yin et al. In situ dynamic monitoring of stress revolution with time and space under coal seam floor during longwall mining
Yang et al. Failure mechanism and bulking characteristic of goaf roof in no-pillar mining by roof cutting technology
Le et al. A modelling technique for top coal fall ahead of face support in mechanised longwall using Discrete Element Method
Yin et al. Impacts of karst paleo-sinkholes on mining and environment in northern China
Wang et al. A analytical model for cover stress re-establishment in the goaf after longwall caving mining
Yin et al. A multi-method approach for estimating the failure depth of coal seam floor in a longwall coal mine in China
Zhao et al. Research on failure mechanism and support technology of fractured rock mass in an undersea gold mine