Results 11 to 20 of about 387,505 (174)

Multi-stage karst characteristics and reservoir control of early diagenetic limestone in Taiyuan Formation, Ordos Basin, China

Journal of Natural Gas Geoscience
Recently, several wells, such as YT1H and ZT1 in the Ordos Basin, have made new discoveries of natural gas in the Permian Taiyuan Formation limestone, revealing that the limestone of the Taiyuan Formation has good exploration potential.
Xiaoxiong Yan, Shoukang Zhong, Wenchao Pei, Jie Xu, Xiucheng Tan   +4 more
doaj   +2 more sources

Optimization of Reservoir Waterflooding [PDF]

, 2014
Waterflooding is a common type of oil recovery techniques where water is pumped into the reservoir for increased productivity. Reservoir states change with time, as such, different injection and production settings will be required to lead the process
Grema, Alhaji Shehu
core   +7 more sources

Stress sensitive characteristics of fault-karst reservoir [PDF]

, 2023
The connected media of fault-karst reservoir are fractures, caves and pores, the decrease of pressure will lead to the decrease of permeability and conductivity, which will have an irreversible impact on oil well production.
ZHANG Yixiao,LI Xiaobo,SHANG Genhua,LIU Hongguang,LI Qing,TAN Tao
core   +1 more source

Characterization of paleo-karst reservoir and faulted karst reservoir in Tahe Oilfield, Tarim Basin, China [PDF]

, 2020
        The Ordovician carbonate reservoir is the most productive deep-earth reservoir in Tahe Oilfield and other oilfields in Tarim Basin. Exploration and production successes in recent years reveal a new reservoir type, namely faulted karst reservoirs ...
Yang, Debin, Wang, Xiao, Lu, Xinbian, Wang, Yan   +3 more
core   +1 more source

Gypsum karst geohazards in China [PDF]

, 1997
China has the worlds largest proven gypsum (CaSO4.2H2O) resources in the world. The gypsum ranges from pre-Cambrian to Quaternary in age and occurs in varied geological environments.
Cooper, A.H., Yaoru, Lu
core   +3 more sources

Process-based karst modelling to relate hydrodynamic and hydrochemical characteristics to system properties [PDF]

, 2013
More than 30% of Europe's land surface is made up of karst exposures. In some countries, water from karst aquifers constitutes almost half of the drinking water supply.
J. A. Barberá, A. Hartmann, T. Wagener, Barbera, J. A., N. Mizyed, Butscher, C., Wagener, T., F. Humer, Humer, F., C. Butscher, M. Kralik, A. Rimmer, B. Andreo, M. Weiler, Weiler, M., Rimmer, A., Andreo, B., J. Lange, Mizyed, N., Lange, J., Hartmann, A., Huggenberger, P., Kralik, M., P. Huggenberger   +23 more
core   +2 more sources

Automatic segmentation of karst reservoir CT images and identification of karst spatial structure based on 3D U-Net. [PDF]

Sci Rep
Karst reservoir Computed Tomography (CT) images exhibit blurred boundaries, scale variations, and complex structures. Existing 3D U-Net-based segmentation methods are inadequate in both detail recognition and overall structural representation. Therefore,
Zhu Z, Wang H, Xu G, Da X, Li J.
europepmc   +2 more sources

Characteristics, Main Controlling Factors and Prediction of Complex Fracture–Cavity Reservoirs of Buried Carbonate Hills in the Weixinan Depression, Western South China Sea

Frontiers in Earth Science, 2022
Buried hill oil reservoirs have become a key area for offshore oil and gas exploration. In this paper, a typical oil field in the western South China Sea is used as the research object, and a study on the characterization, cause of formation and ...
Chong Zhang, Chong Zhang, Wen Zhou, Chang Liu, Xinguang Wang, Hao Xu   +5 more
doaj   +1 more source

Paleogeomorphological reconstruction and geological implications of the weathered-crust karst on the top of the Middle Triassic Leikoupo Formation in the Longgang area, Sichuan Basin, China

Energy Exploration & Exploitation, 2018
Weathered-crust karst carbonate is developed in the third submember of the fourth member of the Middle Triassic Leikoupo Formation (Lei 4 3 submember) in the Longgang area of Sichuan Basin, China, and acts as an important oil and gas reservoir.
Hong Liu, Yuzhe Tang, Xiucheng Tan, Bing He, Song Tang, Yongjia Zhou, Bo Lin   +6 more
doaj   +1 more source

Comparison of artificial neural networks and reservoir models for simulating karst spring discharge on five test sites in the Alpine and Mediterranean regions [PDF]

, 2023
International audienceHydrological models are widely used to characterize, understand and manage hydrosystems. Lumped parameter models are of particular interest in karst environments given the complexity and heterogeneity of these systems.
Doummar, Joanna, Fernández-Ortega, Jaime, Ravbar, Nataša, Andreo, Bartolomé, Barberá-Fornell, Juan Antonio, Barberá, Juan Antonio, Andreo-Navarro, Bartolomé, Liesch, Tanja, Chen, Zhao, Goldscheider, Nico, Jourde, Hervé, Wunsch, Andreas, Andreo Navarro, Bartolomé, Mazzilli, Naomi, Cinkus, Guillaume   +14 more
core   +1 more source