期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 239 ()
Measuring the degree of organic matter (OM) alteration caused by uranium (U) irradiation is important in the effective evaluation of the hydrocarbon p......
期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 239 ()
Hydraulic fracturing is an effective approach to improve the productivity of coalbed methane (CBM) reservoirs. However, during hydraulic fracturing an......
期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 240 ()
This paper describes a viable nanoindentation-enhanced technique for screening hydraulic fracturing fluid additives via quantifying the effects of roc......
期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 240 ()
Middle Permian coal from the Yongan Coalfield, Fujian Province, China, with a maximum vitrinite reflectance (VRmax) of 5.33%?8.95%, indicating a typic......
期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 243 ()
An integrated approach based on organic petrographic and geochemical proxies along with palynological and palynofacies analysis were employed using 24......
期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 245 ()
Thick Pleistocene fine-grained rocks in the central Qaidam Basin, China, are regarded as the principal source rocks for microbial gas there. Here, for......
期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 239 ()
The well log inversion has been widely applied to forecast coal texture distribution due to its effectiveness and low investment. However, most resear......
期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 242 ()
This paper introduces the development of a new predictive model in support of proppant injection in naturally fractured coal seam gas (CSG) reservoirs......
期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 239 ()
This paper investigates the hyper-enrichments of molybdenum (Mo), uranium (U), and vanadium (V) in the lower Paleozoic, Alum Shale of Denmark, Sweden,......
期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 245 ()
Permeability of coal is highly dependent on the effective stress, which is found to decrease exponentially as effective stress increases. To study coa......
期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 242 ()
A change from a humid to an arid climate occurred during the Middle Jurassic. Information about this transitional phase is stored in two oil shales: t......
期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 243 ()
In this study, swelling experiments for three natural solid bitumen samples in two types of organic solvents were conducted to explore the location of......
期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 244 ()
The overmature Precambrian to Lower Paleozoic marine shales from China contain relatively simple organic matter (OM) composition, which is dominated b......
期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 240 ()
In-source solid bitumen was found in some cracks within the calcareous concretion in an overmature (Rbitumen > 3.5%) black shale of the Lower Cambr......
期刊: INTERNATIONAL JOURNAL OF COAL GEOLOGY, 2021; 245 ()
Due to the low coalification degree of lignite, the colloid-like properties and loose characteristics lead to low energy utilization efficiency and se......