Results 11 to 20 of about 173,398 (217)

Hydrocarbon saturation determination with the single-well-chemical-tracer-test under laboratory conditions

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2021
Nowadays the share of hard-to-recover reserves is growing, and to maintain oil production on necessarily level, we need to involve hard-to-recover reserves or to increase oil production efficiency on a brownfields due to enhanced oil recovery.
F. A. Koryakin   +3 more
doaj   +1 more source

Clinical Value of Core Lenght in Saturation Prostate Biopsy

open access: yesJournal of Urological Surgery, 2018
Objective: To investigate the effect of core length on cancer detection in saturation prostate biopsy. We hypothesized that increasing mean and total core length in saturation prostate biopsy may allow more tissue sampling, thus, may increase the ...
Cem Yücel, Salih Budak
doaj   +1 more source

The test bench for simulation impact of core saturation on the current transformer on coordination of inverse relay protection [PDF]

open access: yesE3S Web of Conferences
When the measurement-type Current Transformer (CT) is used for protection schemes, this condition causes problems related to the operation of the protection relay.
Supriyanto, Utomo Heri Budi, Sunarto
doaj   +1 more source

Analysis of the Current Transformer Core Saturation Impact on the Operation of the Algorithm for Emergency Control of the Power System Mode

open access: yesEnergies
The operation of protection algorithms and emergency control of power system modes is based on processing information about voltage levels and currents flowing through network elements.
Mihail Senyuk   +2 more
doaj   +1 more source

Magnetic Resonance Imaging of Methane Hydrate Formation and Dissociation in Sandstone with Dual Water Saturation

open access: yesEnergies, 2019
This paper reports formation and dissociation patterns of methane hydrate in sandstone. Magnetic resonance imaging spatially resolved hydrate growth patterns and liberation of water during dissociation. A stacked core set-up using Bentheim sandstone with
Stian Almenningen   +2 more
doaj   +1 more source

Application of Implicit Pressure-Explicit Saturation Method to Predict Filtrated Mud Saturation Impact on the Hydrocarbon Reservoirs Formation Damage

open access: yesMathematics, 2020
Hydrocarbon reservoirs’ formation damage is one of the essential issues in petroleum industries that is caused by drilling and production operations and completion procedures.
Mingxuan Zhu   +3 more
doaj   +1 more source

Study of Two Phase Fluid Flow in Water Wet Reservoir Rocks by Using X-Ray In situ Saturation Monitoring [PDF]

open access: yesJournal of Petroleum Science and Technology, 2010
Displacement of oil and water in porous media of reservoir rocks is described by relative                      permeability curves, which are important input data for reservoir performance simulation and drive mechanism studies.
Rezvan Behin, H Sharifi Galiuk
doaj   +1 more source

Measurement of Spontaneous Imbibition Capillary Pressure, Saturation and Resistivity Index by Counter Current Technique at Net Reservoir Stress and Elevated Temperature [PDF]

open access: yesE3S Web of Conferences, 2019
Capillary pressure and resistivity index spontaneous imbibition experiments by the porous plate method, in a core holder at elevated temperature and net reservoir stress, are both difficult and time consuming special core analysis measurements to perform.
Pruno Stefano   +2 more
doaj   +1 more source

Research on oil displacement mechanism in conglomerate using CT scanning method

open access: yesPetroleum Exploration and Development, 2014
Taking the conglomerate from Xinjiang Oilfield as study object, the porosity distribution characteristics of the conglomerate were analyzed with CT scanning; through the online monitoring of the water and polymer flooding process in a conglomerate core ...
Shiguan DENG   +9 more
doaj   +1 more source

Electromagnetic Design of High-Speed and High-Thrust Cross-Shaped Linear Induction Motor

open access: yesIEEE Access, 2021
In order to improve the thrust density and efficiency of linear induction motors (LIM) in large load transport situations, a cross-shaped linear induction motors (CSLIM) structure is proposed in this paper.
Weichang Zhou   +3 more
doaj   +1 more source

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