Results 101 to 110 of about 885 (217)

Intelligent evaluation method for identifying favorable shale oil areas based on improved stacked sparse autoencoder [PDF]

open access: yes
Identifying and evaluating favorable areas is crucial for shale oil exploration and development, well-location deployment, and fracturing design. Traditional machine learning methods struggle to accurately extract the characteristics of favorable shale ...
Jingyu Qu   +4 more
core   +1 more source

Application of the Fractal Method to the Characterization of Organic Heterogeneities in Shales and Exploration Evaluation of Shale Oil

open access: yesJournal of Marine Science and Engineering, 2019
The first member of the Qingshankou Formation, in the Gulong Sag in the northern part of the Songliao Basin, has become an important target for unconventional hydrocarbon exploration.
Bo Liu   +4 more
doaj   +1 more source

Revision of clam shrimp (“conchostracan”) genus Tylestheria from Late Cretaceous deposits of China [PDF]

open access: yes, 2013
Restudy of the type species of Tylestheria from the First Member of the Upper Cretaceous Nenjiang Formation in Nenjiang County, north-east China under a scanning electron microscope (SEM) revealed morphological features on the carapace that had not been ...
54342   +3 more
core  

Sub-layer Correlation of Quantou Ⅳ Formation of the Lower Cretaceous in Haituozi Area of Songliao Basin [PDF]

open access: yes, 2013
Fluvial-flood plain facies are developed at lower-mid Quantou Ⅳ Formation, and delta front - shallow lake facies are developed at the upper formation in Haituozi area of Southern Songliao Basin.
Hongliang, WANG   +4 more
core   +2 more sources

Geochemical compositional mapping of Lower Jurassic trace fossils: palaeoenvironmental significance and methodological implications [PDF]

open access: yes, 2020
This is the pre-peer reviewed version of the following article: [J. Reolid; M. Reolid. Geochemical compositional mapping of Lower Jurassic trace fossils: Palaeoenvironmental significance and methodological implications. Palaeogeography, Palaeoclimatology,
Reolid Pérez, Jesús   +1 more
core   +1 more source

Discovery of nano organo-clay complex pore-fractures in shale and its scientific significance: A case study of Cretaceous Qingshankou Formation shale, Songliao Basin, NE China

open access: yesPetroleum Exploration and Development
A new pore type, nano-scale organo-clay complex pore-fracture was first discovered based on argon ion polishing-field emission scanning electron microscopy, energy dispersive spectroscopy and three-dimensional reconstruction by focused ion-scanning ...
Longde SUN   +7 more
doaj   +1 more source

Distribution and formation of tight oil in Qijia area, Songliao Basin, NE China

open access: yesPetroleum Exploration and Development, 2015
By using geologic, geochemical, well test, well drilling and well logging data, the formation conditions and distribution pattern of tight oil in Gao 3 and Gao 4 oil layers of Gaotaizi layer, Upper Cretaceous Qingshankou Formation, Qijia area, Songliao ...
Lizhi SHI   +4 more
doaj   +1 more source

Advances and trends of non-marine shale sedimentology: A case study from Gulong Shale of Daqing Oilfield, Songliao Basin, NE China

open access: yesPetroleum Exploration and Development
This study took the Gulong Shale in the Upper Cretaceous Qingshankou Formation of the Songliao Basin, NE China, as an example. Through paleolake-level reconstruction and comprehensive analyses on types of lamina, vertical associations of lithofacies, as ...
Longde SUN   +7 more
doaj   +1 more source

Reconstruction of northeast Asian deformation integrated with western Pacific plate subduction since 200 Ma [PDF]

open access: yes, 2017
The configuration and kinematics of continental deformation and its marginal plate tectonics on the Earth's surface are intrinsic manifestations of plate-mantle coupling.
Gurnis, Michael   +3 more
core  

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