OOIR: Observatory of International Research

Papers

(The H4-Index of International Journal of Coal Geology is 28. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-04-01 to 2024-04-01.)

Article	Citations
Critical review of the uncertainty of Tmax in revealing the thermal maturity of organic matter in sedimentary rocks	123
X-ray tomography imaging of shale microstructures: A review in the context of multiscale correlative imaging	69
A novel approach to identify accessible and inaccessible pores in gas shales using combined low-pressure sorption and SAXS/SANS analysis	49
A review of experimental and numerical modeling of digital coalbed methane: Imaging, segmentation, fracture modeling and permeability prediction	49
Evidence for multiple sources for inorganic components in the Tucheng coal deposit, western Guizhou, China and the lack of critical-elements	46
Impact of thermal maturity on the diagenesis and porosity of lacustrine oil-prone shales: Insights from natural shale samples with thermal maturation in the oil generation window	40
Mineralogical and geochemical characteristics of altered volcanic ashes (tonsteins and K-bentonites) from the latest Permian coal-bearing strata of western Guizhou Province, southwestern China	40
Comprehensive evaluation of potential coal mine dust emissions in an open-pit coal mine in Northwest China	39
Geochemistry effects of supercritical CO2 and H2O on the mesopore and macropore structures of high-rank coal from the Qinshui Basin, China	38
Fracture variation in high-rank coal induced by hydraulic fracturing using X-ray computer tomography and digital volume correlation	38
Mechanical characterization of shale matrix minerals using phase-positioned nanoindentation and nano-dynamic mechanical analysis	38
The influence of rigid matrix minerals on organic porosity and pore size in shale reservoirs: Upper Devonian Duvernay Formation, Alberta, Canada	38
First insights into mineralogy, geochemistry, and isotopic signatures of the Upper Triassic high‑sulfur coals from the Thai Nguyen Coal field, NE Vietnam	38
Nanoscale pore structure of Carboniferous coals from the Ukrainian Donets Basin: A combined HRTEM and gas sorption study	37
Heterogeneous development of micropores in medium-high rank coal and its relationship with adsorption capacity	36
A review of spatially resolved techniques and applications of organic petrography in shale petroleum systems	35
Geological controls on the distribution of REY-Zr (Hf)-Nb (Ta) enrichment horizons in late Permian coals from the Qiandongbei Coalfield, Guizhou Province, SW China	34
Depositional environment, thermal maturity and shale oil potential of the Cretaceous Qingshankou Formation in the eastern Changling Sag, Songliao Basin, China: An integrated organic and inorganic geoc	34
Evaluation of gas-in-place content and gas-adsorbed ratio using carbon isotope fractionation model: A case study from Longmaxi shales in Sichuan Basin, China	34
Thermal evolution behavior of the organic matter and a ray of light on the origin of vitrinite-like maceral in the Mesoproterozoic and Lower Cambrian black shales: Insights from artificial maturation	34
Paleo-depositional environment, origin and characteristics of organic matter of the Triassic Chang 7 Member of the Yanchang Formation throughout the mid-western part of the Ordos Basin, China	32
Major element composition controls rare earth element solubility during leaching of coal fly ash and coal by-products	32
Evaluation and modeling of water vapor sorption and transport in nanoporous shale	31
Geological factors controlling variations in the mineralogical and elemental compositions of Late Permian coals from the Zhijin-Nayong Coalfield, western Guizhou, China	29
The molecular model of Marcellus shale kerogen: Experimental characterization and structure reconstruction	29

Identification of thin-layer coal texture using geophysical logging data: Investigation by Wavelet Transform and Linear Discrimination Analysis	29
Geochemistry of two high-lithium content coal seams, Shanxi Province, China	29
The geology, mineralogy, petrography, and geochemistry of the Miocene Dursunbey coal within fluvio-lacustrine deposits, Balıkesir (Western Turkey)	29
Morphology, chemical and mineralogical composition of magnetic fraction of coal fly ash	28
A multidisciplinary study and palaeoenvironmental interpretation of middle Miocene Keles lignite (Harmancık Basin, NW Turkey), with emphasis on syngenetic zeolite formation	28
A novel NMR surface relaxivity measurements on rock cuttings for conventional and unconventional reservoirs	28
Numerical analysis and prediction of ground surface movement induced by coal mining and subsequent groundwater flooding	28