Results 51 to 60 of about 708,392 (326)

Mapping the interactions between rivers and sand dunes: Implications for fluvial and aeolian geomorphology [PDF]

open access: yes, 2014
The interaction between fluvial and aeolian processes can significantly change Earth surface morphology. When rivers and sand dunes meet, the interaction of sediment transport between the two systems can lead to change in either or both systems. However,
Coulthard, Tom J., Liu, Baoli
core   +1 more source

Geochemical characteristics and genesis of the Ordovician sub-salt natural gas in the Ordos Basin, China

open access: yesFrontiers in Earth Science, 2023
A significant amount of natural gas resources has been discovered in the Ordovician reservoirs under a thick layer of gypsum-salt strata as a result of ongoing research into deep natural gas in China’s Ordos Basin, however, the genetic type and source of
Jianglong Shi   +8 more
doaj   +1 more source

Carbon isotopic signature of coal-derived methane emissions to the atmosphere: from coalification to alteration [PDF]

open access: yes, 2016
Currently, the atmospheric methane burden is rising rapidly, but the extent to which shifts in coal production contribute to this rise is not known.
A. Jasek   +12 more
core   +2 more sources

Model construction and implementation of Ordos Energy Super Basin, NW China

open access: yesPetroleum Exploration and Development
Taking the Ordos Basin as an example, this paper proposed that the construction of an energy super basin should follow the principle of “more energy, less carbon, and better energy structure”. The modeling workflow of energy super basin was built.
Ailin JIA   +4 more
doaj   +1 more source

Lithofacies palaeogeography as a guide to petroleum exploration

open access: yesJournal of Palaeogeography, 2013
Lithofacies palaeogeography as a guide to petroleum exploration is a very important topic. By using the following five exploration examples, this paper discusses the guide of lithofacies palaeogeography or of sedimentary facies to petroleum exploration ...
Feng Zengzhao   +4 more
doaj   +1 more source

An adsorbed gas estimation model for shale gas reservoirs via statistical learning

open access: yes, 2017
Shale gas plays an important role in reducing pollution and adjusting the structure of world energy. Gas content estimation is particularly significant in shale gas resource evaluation.
Chen, Yuntian   +3 more
core   +2 more sources

Tectonic evolution and controls on natural gas generation and accumulation in the Ordovician system of the Ordos Basin, North China

open access: yesEnergy Reports, 2021
The Ordovician system of the Ordos Basin is rich in oil and gas resources, but the tectonic evolution of Ordovician strata and controls on natural gas generation and accumulation are poorly understood.
Peng Yang   +9 more
doaj   +1 more source

Evolution of the Ordovician top boundary and its relationship to reservoirs' development, Ordos Basin

open access: yesPetroleum Exploration and Development, 2012
The control of structural evolution on the development of different types of Ordovician reservoirs in the Ordos Basin is discussed by studying the evolution of the Ordovician top boundary in geological times, and the mechanisms of formation and evolution
Xinquan RAN   +5 more
doaj   +1 more source

Coal petrology and genesis of Jurassic coal in the Ordos Basin, China

open access: yesGeoscience Frontiers, 2012
AbstractMultiple sets of thick coal beds characterized by simple structure and shallow burial depth were developed in the Early and Middle Jurassic strata of the Ordos Basin, northwestern China. The huge reserves of this high quality coal have a high commercial value.
Xiuyi Tang   +9 more
openaire   +2 more sources

Sequence stratigraphy of the Middle Jurassic Yan’an Formation (NE Ordos Basin, China), relationship with climate conditions and basin evolution, and coal maceral’s characteristics

open access: yesFrontiers in Earth Science, 2023
The Yan’an Formation of the Ordos Basin in North China is among the largest and most extensively studied Jurassic coal reservoirs in the world. The lacustrine Yan’an Formation was investigated near Dongsheng (Ordos Basin, China) in its sequence ...
Dawei Lv   +9 more
doaj   +1 more source

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