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Environmental Effects of Water Product from Coalbed Methane Wells: A Case Study of the Songhe Well Group, Western Guizhou, China

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (5)

Based on water chemistry analyses of five batches of water product samples from eight coalbed methane (CBM) wells of the Songhe well group in the west......

Study on Phase Behavior of CO2/Hydrocarbons in Shale Reservoirs Considering Sieving Effect and Capillary Pressure

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (5)

The phase behavior of fluid is essential for predicting ultimate oil recovery and determining optimal production parameters. The pore size in shale po......

Uncertainties in GIS-Based Mineral Prospectivity Mapping: Key Types, Potential Impacts and Possible Solutions

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (5)

GIS-based mineral prospectivity mapping (MPM) is a computer-aided methodology for delineating and better constraining target areas deemed prospective ......

Fractal Characterization of Nanoscale Pores of Volcanic Reservoirs in the Dongling Area, Changling Fault Depression, Songliao Basin

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (5)

Fractal theory is an efficient method to characterize quantitatively tight rocks. Volcanic rocks are very promising reservoirs, and their pore structu......

Distribution Characteristics of In Situ Stress Field and Vertical Development Unit Division of CBM in Western Guizhou, China

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (5)

In situ stress is not only a vital indicator for selecting explorative regions of coalbed methane (CBM), but also a pivotal factor affecting CBM produ......

Evolution of Anisotropic Coal Permeability Under the Effect of Heterogeneous Deformation of Fractures

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (5)

Permeability is one of the key parameters to better understand the processes of coalbed methane mining and carbon dioxide geological storage. As a uni......

Aeromagnetic and Geochemical Signatures in the Chinese Western Tianshan: Implications for Tectonic Setting and Mineral Exploration

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (5)

The Chinese Western Tianshan (CWT) region has experienced complicated accretionary and collisional orogenic processes and represents a key region for ......

Investigation of Adsorption-Desorption, Induced Strains and Permeability Evolution During N-2-ECBM Recovery

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (5)

In this study, the adsorption-desorption/induced strains/permeability characteristics of seven columnar coal samples with R-o.ran ranging from 0.42 to......

Group Method of Data Handling (GMDH) Neural Network for Estimating Total Organic Carbon (TOC) and Hydrocarbon Potential Distribution (S-1, S-2) Using Well Logs

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (5)

Recent advancement in computing capabilities has brought to light the application of machine learning methods in estimating geochemical data from well......

Remote Sensing Inversion of Saline and Alkaline Land Based on an Improved Seagull Optimization Algorithm and the Two-Hidden-Layer Extreme Learning Machine

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (5)

Through remote sensing inversion, the evolution and treatment of saline and alkaline land can be monitored on a large scale in real time. The spectral......

Reservoir Characterization Using Multi-component Seismic Data in a Novel Hybrid Model Based on Clustering and Deep Neural Network

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (5)

Effective use of the difference between longitudinal and converted shear waves in reservoir sensitivity analysis is a key component to reduce the mult......

Dynamic Prediction Model of Overburden Settlement in Deep Mining Areas based on Space-Time Relationship

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (5)

Depletion of shallow mineral resources caused by deep mining has become an inevitable trend, and deep mining can increase safety accidents and geologi......

Estimation of Ground Vibration Intensity Induced by Mine Blasting using a State-of-the-Art Hybrid Autoencoder Neural Network and Support Vector Regression Model

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (5)

In surface mining, blasting is an indispensable method for fragmenting rock masses. Nevertheless, it can inherently induce many side effects like grou......

3D Multi-scale Reconstruction of Fractured Shale and Influence of Fracture Morphology on Shale Gas Flow

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (3)

Quantitative characterization of shale gas flow in fractured shale is a key problem in shale gas extraction. In this study, 3D multi-scale structures ......

Machine Learning-Based 3D Modeling of Mineral Prospectivity Mapping in the Anqing Orefield, Eastern China

期刊: NATURAL RESOURCES RESEARCH, 2021; 30 (5)

Successful delineation of high potential targets for exploration in maturely-explored orefields is still a tough challenge. A reliable prediction mode......

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