Results 131 to 140 of about 1,172,684 (292)

Dynamic behavior of deep high-temperature layered shale under medium strain rates

open access: yesInternational Journal of Coal Science & Technology
During deep shale gas extraction or deep shale oil recovery involving in-situ upgrading of low-maturity oil through electric heating, the process is challenged by high-temperature and high-stress environments.
Yide Guo   +6 more
doaj   +1 more source

Structural characterization of Green River oil shale core segments and the kerogen isolated from these segments

open access: yes, 2011
presentationThe goal is to obtain information about chemical structure of oil shale and its kerogen. This includes chemical characterization of the shale, the isolated kerogen, and the products of pyrolysis of both the shale and kerogen, and provides ...
Orendt, Anita M.; Birgenheier, Lauren P.; Solum, Mark S.; Pugmire, Ronald J.; Facelli, Julio C.; Locke, Darren; Chapman, Karena; Seifert, Soenke; Winans, Randall; Chupas, Peter
core  

Early development of anoxia prior to the main euxinic phase of the Jenkyns Event on the margin of the Western Tethys (Sachrang Basin, Eastern Alps)

open access: yesSedimentology, EarlyView.
ABSTRACT Although the global expansion of oxygen‐depleted marine environments during the Early Toarcian Jenkyns Event (or Toarcian Oceanic Anoxic Event) is primarily inferred from successions in the NW European epicontinental basins, the timing of the expansion of anoxia in Tethyan basins, where hydrography potentially played a minor role, is poorly ...
Tamás Müller   +6 more
wiley   +1 more source

Salt Range Formation of Pakistan Preserves Unique Record of Volcanic Fertilization During the Ediacaran Shuram Excursion

open access: yesTerra Nova, EarlyView.
ABSTRACT Thin, discontinuous, organic‐rich oil shale beds in the siliciclastic‐evaporitic Salt Range Formation (SRF) of Pakistan are of approximate Neoproterozoic to Cambrian age based on stratigraphic constraints. The beds are enriched (26–43 wt.% total organic carbon, TOC) in aliphatic organic matter (OM) of low thermal maturity despite their ...
Paul C. Hackley   +4 more
wiley   +1 more source

Modeling of Fracturing Half-length and Spacing in Shale Reservoir [PDF]

open access: yes, 2015
Shale gas reservoirs are proven to be of increasing importance day after another supported by the increase in the energy demand and the drop in the conventional reservoirs hydrocarbon reserves.
Ibrahim, Mohamed Ahmed
core  

Recent Advances in Boron Removal From Geothermal Waters: A Review

open access: yesWater and Environment Journal, EarlyView.
This review provides a comprehensive overview of boron removal technologies from geothermal fluids and highlights the limitations of conventional treatment methods. Ion exchange, hybrid processes and membrane filtration are identified as the most dominant approaches in recent studies.
Saadet Acar Can, Hasan Koseoglu
wiley   +1 more source

Pore structure characterization and flow ability of shale oil reservoir based on digital cores

open access: yesYouqicang pingjia yu kaifa, 2021
Shale oil reservoir bears heterogeneous pore structure with multi-scale pore sizes. Nano-scale organic intra-granular pore, nano-micro scale inorganic inter-granular pore and micro-fracture coexist in shale oil reservoir. The ultra-low porosity and ultra-
SONG Wenhui   +5 more
doaj  

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