Results 111 to 120 of about 1,795 (212)

Late Neoarchean–Paleoproterozoic granitoid basement serves as an effective helium source rock in cratonic basins [PDF]

open access: yes
The growing shortage of helium reserves presents a pressing worldwide concern. However, it remains ambiguous that how, when, and which type of tectonic environment the helium source rocks were formed.
Chen, Jianfa   +8 more
core   +1 more source

Mechanism of gas breakthrough time control in deep CBM wells and optimization of production strategies

open access: yesMeitan xuebao
Deep coalbed methane (CBM) resources in the eastern margin of the Ordos Basin are abundant. However, significant variations in gas breakthrough time among production wells, coupled with a lack of targeted drainage system guidance and insufficient ...
Zhaodong XI   +4 more
doaj   +1 more source

Gas and water performance from the full-cycle of coalbed methane enrichment-drainage-output: A case study of Daning-jixian area in the eastern margin of Ordos Basin

open access: yesEnergy Reports, 2023
Zheng Zhao   +8 more
semanticscholar   +1 more source

A bibliography of dunes: Earth, Mars, and Venus [PDF]

open access: yes
Dunes are important depositional landforms and sedimentary environments on Earth and Mars, and may be important on Venus. The similarity of dune forms on Earth and Mars, together with the dynamic similarity of aeolian processes on the terrestrial planets
Lancaster, N.
core   +1 more source

Pterosaur distribution in time and space: an atlas [PDF]

open access: yes, 2008
Barrett, Paul M.   +3 more
core   +1 more source

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