Results 31 to 40 of about 2,839,750 (318)

An example of aquifer heterogeneity simulation to modeling well-head protection areas [PDF]

, 2017
Groundwater management requires the definition of Well-Head Protection Areas (WHPA) for water supply wells. Italian law uses geometrical, chronological and hydrogeological criteria for WHPA identification, providing a groundwater travel time of 60 days ...
Fabbri, Paolo, Marcolongo, Enrico, Piccinini, Leonardo, Pola, Marco   +3 more
core   +1 more source

A logging identification method of tight oil reservoir lithology and lithofacies: A case from Chang7 Member of Triassic Yanchang Formation in Heshui area, Ordos Basin, NW China

Petroleum Exploration and Development, 2016
: Based on the observation results of cores, structural analysis, sedimentary microfacies analysis, lithologic analysis and other analytical tests and logging data, the characteristics of lithology and lithofacies of the Member Chang7 tight oil reservoir
Zhenglong ZHOU, Guiwen WANG, Ye RAN, Jin LAI, Yufeng CUI, Xianling ZHAO   +5 more
doaj   +1 more source

Logging identification of complex lithology of the Lower Jurassic Da'anzhai Member in the eastern slope of the western Sichuan Depression

Unconventional Resources, 2023
In recent years, with the in-depth development of oil and gas exploration in the eastern slope of the western Sichuan Depression, breakthroughs have been made in the research on high-quality gas reservoirs in the Da'anzhai Member of the Ziliujing ...
Mengyuan Zhang, Runcheng Xie, Shuai Yin, Meizhou Deng, Jun Chen, Shaoke Feng, Ziwei Luo, Jian Chen   +7 more
doaj   +1 more source

Lithologic Identification of Complex Reservoir Based on PSO-LSTM-FCN Algorithm

Energies, 2023
Reservoir lithology identification is the basis for the exploration and development of complex lithological reservoirs. Efficient processing of well-logging data is the key to lithology identification.
Yawen He, Weirong Li, Zhenzhen Dong, Tianyang Zhang, Qianqian Shi, Linjun Wang, Lei Wu, Shihao Qian, Zhengbo Wang, Zhaoxia Liu, Gang Lei   +10 more
doaj   +1 more source

Multi-Dimensional Lithology Identification Method Based on Microresistivity Image Logging

Cejing jishu, 2023
The traditional microresistivity image logging lithology identification mainly depends on manual identification, and the identification results often affected by manual experience and subjective factors which leads to some issues such as difficulty in ...
LIU Juan, MIN Xuanlin, QI Zhongli, YI Jun, LAI Fuqiang, ZHOU Wei   +5 more
doaj   +1 more source

Ultramafic xenoliths from the Bearpaw Mountains, Montana, USA: evidence for multiple metasomatic events in the lithospheric mantle beneath the Wyoming craton [PDF]

, 2004
Ultramafic xenoliths in Eocene minettes of the Bearpaw Mountains volcanic field (Montana, USA), derived from the lower lithosphere of the Wyoming craton, can be divided based on textural criteria into tectonite and cumulate groups. The tectonites consist
Abidin, M.S.Z., Codemard, C.A., Dupriez, P., Farrell, C., Jeong, Y., Ji, J., Maran, J.-N., Nilsson, J., Payne, D.N., Richardson, D.J., Sahu, J.K., Yoo, S.   +11 more
core   +2 more sources

Lithological Identification Method and Application of Bauxite Rocks in Ordos Basin

Cejing jishu, 2023
The bauxite reservoir of Taiyuan formation in Longdong area of Ordos basin is a new type of oilfield exploration and development, and several exploration wells have obtained high production of industrial gas flow, which breaks the traditional ...
GUO Xiaokai, SUN Xiaoping, DI Shuhua, HU Cong, ZHANG Zewen, LIU Die, HU Ming   +6 more
doaj   +1 more source

Multi-scale lithology recognition based on deep learning of rock images

地质科技通报, 2022
Lithology recognition through artificial intelligence and big data can provide effective assistance to relevant personnel in field investigations.To better promote the application of lithology recognition in professional fields, the deep learning ...
Zedong Ma, Lei Ma, Ke Li, Wei Yao, Peiding Wang, Xinyu Wang   +5 more
doaj   +1 more source

Methods for identifying complex lithologies from log data based on machine learning

Unconventional Resources, 2023
The sedimentary environment of the marine-continental transitional facies leads to complex reservoir lithologies characterized by rapid changes in lithology, the presence of thin interbeds, and strong heterogeneity in both vertical and horizontal ...
Mi Liu, Song Hu, Jun Zhang, Youlong Zou
doaj   +1 more source

Seismic Ray Impedance Inversion [PDF]

, 2010
This thesis investigates a prestack seismic inversion scheme implemented in the ray parameter domain. Conventionally, most prestack seismic inversion methods are performed in the incidence angle domain.
Lu, Xiaolin, Lu, Xiaolin
core   +1 more source