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Related papers: A new method of petroleum well logging

200 papers

Industry 4.0 drives the demand for cost-efficient and reliable process data and condition monitoring. Therefore, visualizing the state of tribological contacts becomes important, as they are regularly found in the center of many…

Signal Processing · Electrical Eng. & Systems 2024-11-07 Steffen Puchtler , Julius van der Kuip , Florian Michael Becker-Dombrowsky , Eckhard Kirchner

It is an extremely challenging task to precisely identify the reservoir characteristics directly from seismic data due to its inherit nature. Here, we successfully design a deep-learning model integrated with synthetic wedge models to…

Geophysics · Physics 2019-09-16 Ping Lu , Yanyan Zhang , Hua Yu , Stan Morris

Various techniques are used to detect the presence of charged particles stored in electromagnetic traps, their energy, their mass, or their internal states. Detection methods can rely on the variation of the number of trapped particles…

Atomic Physics · Physics 2017-08-23 Martina Knoop

An application of impedance measurement technique (IMT) for a detection of quantum tunneling in molecular structures is investigated. A charged particle which tunnels in a two-well potential is electrically coupled to a high-quality…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 Anatoly Yu. Smirnov

The line tension of an electrolyte wetting a non-polar substrate is computed analytically and numerically. The results show that, depending on the value of the apparent contact angle, positive or negative line tension values may be…

Chemical Physics · Physics 2014-11-06 Aaron Dörr , Steffen Hardt

We analyze new possible applications of the trapping mechanism of sufficiently slow-speed particles by an electromagnetic potential well deepening with time (up to a certain limit) which was recently established by author from basic…

General Physics · Physics 2016-01-20 Azad Ch. Izmailov

Spin pumping is becoming an established method to generate voltages from magnetic dynamics. The standard detection method of spin pumping is based on open circuit voltage measurement across ferromagnetic (FM) and non-magnetic (NM)…

Other Condensed Matter · Physics 2019-01-29 K. Rogdakis , N. Alfert , A. Srivastava , J. W. A. Robinson , M. G. Blamire , L. F. Cohen , H. Kurebayashi

A recent alternative for hydrogen transportation as a mixture with natural gas is blending it into natural gas pipelines. However, hydrogen embrittlement of material is a major concern for scientists and gas installation designers to avoid…

Machine Learning · Computer Science 2023-06-26 Minh Triet Chau , João Lucas de Sousa Almeida , Elie Alhajjar , Alberto Costa Nogueira Junior

The growing number of seismic and elastic attributes poses a challenge, making the full benefit from each attribute in characterizing geological formation very difficult, if not impossible. Various approaches are routinely employed to…

Geophysics · Physics 2024-10-30 Mohammed Farfour , Rachid Hedjam , Douglas Foster , Said Gaci

The photoelectric factor (PEF) is an important well logging tool to distinguish between different types of reservoir rocks because PEF measurement is sensitive to elements with high atomic number. Furthermore, the ratio of rock minerals…

Machine Learning · Computer Science 2023-08-25 Khalid L. Alsamadony , Ahmed Farid Ibrahim , Salaheldin Elkatatny , Abdulazeez Abdulraheem

The local magnetic field in a Penning-Malmberg trap is found by measuring the temperatures that result when electron plasmas are illuminated by microwaves pulses. Multiple heating resonances are observed as the pulse frequencies are swept.…

Plasma Physics · Physics 2020-03-18 E. D. Hunter , A. Christensen , J. Fajans , T. Friesen , E. Kur , J. S. Wurtele

Interference tests are used in shale reservoirs to evaluate the strength of connectivity between wells. The results inform engineering decisions about well spacing. In this paper, we propose a new procedure for interpreting interference…

Geophysics · Physics 2023-12-27 Mouin Almasoodi , Thad Andrews , Curtis Johnston , Ankush Singh , Mark McClure

This study examined the effects of surfactants on the motion and positioning of microparticles in an inhomogeneous electric field. The microparticles were suspended in oil with a surfactant and the electric field was generated using…

Soft Condensed Matter · Physics 2020-01-07 Marcos Masukawa , Masayuki Hayakawa , Masahiro Takinoue

In this article, we derive and discuss a physics-based model for impedance spectroscopy of lithium batteries. Our model for electrochemical cells with planar electrodes takes into account the solid-electrolyte interphase (SEI) as porous…

Chemical Physics · Physics 2020-04-03 Fabian Single , Birger Horstmann , Arnulf Latz

Soil salinity is a critical factor influencing agricultural productivity and environmental sustainability, requiring precise monitoring tools. This paper focuses on developing a frequency-dependent model to predict soil salinity based on…

High Energy Physics - Experiment · Physics 2025-07-08 Javad Jafaryahya , Rasool Keshavarz , Tarou Kikuchi , Negin Shariati

Electrochemical Impedance Spectroscopy (EIS) is a non-invasive technique widely used for understanding charge transfer and charge transport processes in electrochemical systems and devices. Standard approaches for the interpretation of EIS…

We have studied the electrical conductivity of the electron gas in parallel electric and magnetic fields directed along the plane of a parabolic quantum well (across the profile of the potential). We found a general expression for the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 F. M. Hashimzade , Kh. A. Hasanov , M. M. Babayev

This paper describes the impedance spectroscopy adapted for analysis of small electrochemical changes in fluids. To increase accuracy of measurements the differential approach with temperature stabilization of fluid samples and electronics…

Instrumentation and Detectors · Physics 2016-07-26 S. Kernbach , I. Kuksin , O. Kernbach

A new experimental technique for investigating characteristics of plasma generated with plasmotrons in electrophysical installations was proposed. The technique involves a simultaneous registration of both radiation spectra and images of…

Plasma Physics · Physics 2007-05-23 V. Yu. Khomich , I. I. Kumkova , Yu. A. Zheleznov

Characterization of fragmented rock piles is a fundamental task in the mining and quarrying industries, where rock is fragmented by blasting, transported using wheel loaders, and then sent for further processing. This field report studies a…

Robotics · Computer Science 2026-02-12 Unal Artan , Martin Magnusson , Joshua A. Marshall