Results 21 to 30 of about 380 (135)

Hydrocarbon generation and expulsion modeling of different lithological combination source rocks from the Funing Formation in the Subei Basin [PDF]

open access: yes, 2023
The oil expulsion efficiency and retention efficiency of shale affect the enrichment and preservation of shale oil. Two series of semi-closed hydrous pyrolysis experiments were performed under in situ geological conditions on a Paleogene shale sample as ...
Chongjiao Du   +15 more
core   +1 more source

The complex case of Macaronichnus trace fossil affecting rock porosity [PDF]

open access: yes, 2021
Bioturbation is an important factor for reservoir quality due to the modification of host rock petrophysical properties (i.e., porosity, permeability, and connectivity).
Dorador, Javier   +2 more
core   +1 more source

Woodland in a fluvio-lacustrine environment on the dry Mongolian Plateau during the late Paleocene: Evidence from the mammal bearing Subeng section (Inner Mongolia, PR China) [PDF]

open access: yes, 2007
In the understanding of the global faunal turnover during the Paleocene-Eocene transition, an important role has been attributed to the Asian continent, although the Asian fossil record for this period is still incomplete.
DIAN-YONG, G   +6 more
core   +2 more sources

Characteristics and evaluation of lithofacies combination of fine-grained sedimentary rocks: A case study of deep second member of Funing Formation in Gaoyou Sag, Subei Basin [PDF]

open access: yesYouqicang pingjia yu kaifa
Shale in continental lacustrine basins has the characteristics of diverse lithofacies types and complex vertical superposition. On the basis of lithofacies type classification, the classification of lithofacies combination types and the selection of ...
YANG Baoliang, YU Wenquan, DUAN Hongliang, FU Qian, SUN Yaxiong, QIU Yongfeng, YANG Yan, LIU Shili, ZHOU Jinfeng, FU Qiang
doaj   +3 more sources

Evaluation and influencing factors for brittleness of lacustrine shale reservoir: a case study of Qutang Sub-Sag, Subei Basin

open access: yesShiyou shiyan dizhi, 2021
In order to accurately evaluate the brittleness of lacustrine shale and explore its influencing factors, the mineral compositions, geochemical characteristics and reservoir spaces of the lacustrine shale samples from the second member of Paleogene Funing
Biao SUN   +6 more
doaj   +1 more source

Bauhinia (Leguminosae) Fossils from the Paleogene of Southwestern China and Its Species Accumulation in Asia [PDF]

open access: yes, 2022
Extant Bauhinia (Leguminosae) is a genus of 300 species of trees, shrubs, and lianas, widely distributed in pantropical areas, but its diversification history in southeastern Asia, one of its centers of highest diversity, remains unclear.
Hu, Jin-Jin   +9 more
core   +1 more source

Progress and research direction of shale oil exploration in complex fault blocks with low to medium TOC in Subei Basin [PDF]

open access: yesYouqicang pingjia yu kaifa
Shale oil resources in the Subei Basin show significant potential. The second and fourth members of the Funing Formation (hereafter referred to as Funing Member 2 and Funing Member 4) are the main target layers for exploration.
ZHONG Zhiguo, YU Wenquan, DUAN Hongliang, YANG Baoliang
doaj   +3 more sources

Discovery and significance of Cretaceous-Paleogene freshwater foraminifera in Subei-South Yellow Sea Basin

open access: yesShiyou shiyan dizhi, 2021
In previous studies, the "marine facies" fossils in the second member of Taizhou Formation and the second and fourth members of Funing Formation of the Subei-South Yellow Sea Basin were generally considered to be organisms associated with transgression ...
Yurui LIU
doaj   +1 more source

Elemental and Sr-Nd-Pb isotopic geochemistry of Mesozoic mafic intrusions in southern Fujian Province, SE China: Implications for lithospheric mantle evolution [PDF]

open access: yes, 2007
Cretaceous mafic dykes in Fujian province, SE China provide an opportunity to examine the nature of their mantle source and the secular evolution of the Mesozoic lithospheric mantle beneath SE China.
Hu, R, Liu, S, Zhao, JH, Zhou, MF
core   +1 more source

Estimating and Comparing Market Efficiency Frontiers [PDF]

open access: yes, 2021
Previous studies employing error correction models (ECMs) that include threshold effects in long-run equilibrium relationships (threshold cointegration) as well as in error correction (threshold autoregression; threshold ECMs; non-parametric ECMs; Markov-
Mu, Yali
core   +1 more source

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