Resistivity Logs: Chapter III

George B. Asquith, Charles R. Gibson

AAPG Special Volumes

.... From the pad, two resistivity measurements are made; one is called the micro normal and the other is the micro inverse (Fig. 24). The micro normal...

Frontmatter - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2

Hezhu Yin

AAPG Special Volumes

... Company, EMURC). His first assignment with Exxon was on Resistivity Tool Response Forward and Inverse Modeling. From 1995 to 2000, he developed numerous...

Structural Interpretation and Modeling of Seismic Data from the Moran and Paua Area, PNG Foldbelt

S. Lingrey

Papua New Guinea (PNG) Petroleum Convention Proceedings

... area that uses forward and inverse raytrace modeling to depth convert and properly position the few reflection events arising from the Toro Formation...

The Use of Geoelectrical Imaging to Study Groundwater Pollution at Gemenceh Waste Disposal Site, Negeri Sembilan

Abdul Rahim Samsudin, C. A. Tan, Bashilah Baharudin, Mohd Tadza Abdul Rahman

Geological Society of Malaysia (GSM)

... = 13.1% 0.0 32.0 64.0 96 .0 ~~~~~~~~~~*=*=*-~~~ 0.5 4.3 m. 128 _______FE 8.7 15.5 Inverse Model Resistivity Section rz;:::) 1:::::1 ~ IIIID BIB...

Thin Layer Imaging by Wavelet Transform Enhancement

Randy Condronegoro, Woro Sutjiningsih, Herlan Setiadi, Khairul Ummah, Dythia Prayudhatama

Indonesian Petroleum Association

... expanding in the subsurface suffer attenuation in both amplitude and frequency. The earth filters seismic energy by absorbing amplitude (energy) and high...

Regularization strategies for Seis2Rock-based petrophysical inversion of prestack seismic data

Miguel Corrales, Juan Romero, Nick Luiken, Hussein Hoteit, Matteo Ravasi

International Meeting for Applied Geoscience and Energy (IMAGE)

... petrophysical parameters and the associated seismic amplitudes as well as the noise present in the data poses significant challenges to this inverse...

Abstract: Quantitative Predication for Reservior Porosity via AVO; #90187 (2014)

Li Ang, Chen Shumin, Zhang Erhua, and Ju Linbo

Search and Discovery.com

... resolution is low. To address this problem, we try to apply the inverse Q filtering method to improve the resolution of seismic gathers; AVO information...

Abstract: Inverse Scattering Series Internal Multiple Attenuation: A Western Canada Case Study; #90224 (2015)

Frederico Xavier de Melo, Murad Idris, Jason Gardner, Jill Woods

Search and Discovery.com

...Abstract: Inverse Scattering Series Internal Multiple Attenuation: A Western Canada Case Study; #90224 (2015) Frederico Xavier de Melo, Murad Idris...

-- no title --

user1

Search and Discovery.com

... distorted least square imaging result[5]. Least squares migration imaging employs the inverse of the Hessian matrix to perform illumination compensation...

Reevaluating Depositional Models for Shelf Shales; #50242 (2009)

Janok Bhattacharya

Search and Discovery.com

... structures include diffusely stratified beds that show both normal and inverse grading, indicating sustained flows that waxed and waned. They also display...

Re-evaluating Depositional Models for Shelf Shales: Examples from the Cretaceous Seaway of North America; #50383 (2011)

Janok Bhattacharya and James A. MacEachern

Search and Discovery.com

... a correspondingly hyperpycnal character. Physical sedimentary structures include diffusely stratified beds that show both normal and inverse grading...

Subaerial Debris-Flow Deposition in the Upper Paleozoic Cutler Formation, Western Colorado

Albert W. Shultz

Journal of Sedimentary Research (SEPM)

... and inverse grading are visible in D, but grading is generally not well developed in either lithofacies. Imbrication of clasts, although more pronounced...

Internal multiple elimination with an inverse-scattering theory guided deep neural network

Zhiwei Gu, Liurong Tao, Haoran Ren, Ru-Shan Wu, Jianhua Geng

International Meeting for Applied Geoscience and Energy (IMAGE)

...Internal multiple elimination with an inverse-scattering theory guided deep neural network Zhiwei Gu, Liurong Tao, Haoran Ren, Ru-Shan Wu, Jianhua...

High Resolution Seismic Reflection and Geoelectrical Resistivity Imaging at Pengkalan School Teacher's Quarters Pegoh, Ipoh, Malaysia

Mohammed Ismael Abu Shariah, Abdul Rahim Samsudin, Umar Hamzah, Abdul Ghani Refak

Geological Society of Malaysia (GSM)

.... The Two dimensional resistivity inverse models of the traverse lines are showing the low resistivity anomalies. These anomalies are interpreted...

Applications of Kirchhoff Least-Squares Migration: Towards Reservoir Imaging; #42183 (2018)

Francesco Perrone, Graham Roberts, Lorenzo Casasanta, Andrew Ratcliffe, Arash Jafargandomi, Karen Purcell

Search and Discovery.com

... a) → c) is precisely the Hessian, whose inverse we wish to estimate through matching filters in d), and final application to a). This approach...

On Traction-Carpet Sedimentation

Y. K. Sohn

Journal of Sedimentary Research (SEPM)

... the thickness of a moving traction carpet. Inverse grading can be produced in the collisional region by the vertical gradient of dispersive pressure...

Integrated 3D inversion of magnetotelluric and HeliTEM data collected in the geothermal area of Japan

Alexander Gribenko, Leif Cox, Michael Jorgensen, Michael S. Zhdanov, Masami Ikeya, Yusuke Usui

International Meeting for Applied Geoscience and Energy (IMAGE)

... distribution to the depths up to 500 m. The HeliTEM inverse model provides essential information about the near-surface conductivity distribution...

Robust joint inversion and segmentation of 4D seismic data

Juan Romero, Matteo Ravasi, Nick Luiken

International Meeting for Applied Geoscience and Energy (IMAGE)

... fields to carbon capture and sequestration. Time-lapse seismic inversion is however, a notoriously ill-posed inverse problem: the band-limited nature...

Abstract: Nonvadose Origin of Pisolitic Facies, Capitan Reef Complex (Permian), Guadalupe Mountains, New Mexico and West Texas, by Mateo Esteban, Lloyd C. Pray; #90972 (1976).

Search and Discovery.com

A New Approach to Measure Organic Density

Son T. Dang

Unconventional Resources Technology Conference (URTEC)

... and mineral true grain density, and potentially measured k – as inverse weight fraction of organic carbon to organic matters. Kvalue seems to be a good...

Uncertainty quantification for full-waveform inversion with a mini-batch gradient-based sampling method

Zeyu Zhao, Mrinal K. Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

... for uncertainty quantification in geophysical inverse problems by including derivative information in MCMC sampling (Martin et al., 2012; Biswas and Sen...

Operator chains and seismic data decomposition

Sergey Fomel

International Meeting for Applied Geoscience and Energy (IMAGE)

... approach amounts to the application of the inverse Hessian operator. Conventionally, the inverse Hessian is approximated using iterations...

3D inversion of electromagnetic logging-while-drilling data

David Marchant, Nigel Clegg, Luke Rawsthorne, Jari Kunnas

Petroleum Exploration Society of Australia (PESA)

... shelf is presented. METHODOLOGY In this section, we discuss the methods applied in the solution of the forward and inverse problems. Forward Modeling...

An anti-aliasing plane wave decomposition method based on local linear Radon transform

Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... basis functions. The Radon spectral is the PWD result of seismic records, which is obtained through the inverse transformation of LRT. Research has...

Possible Utilization of Electrophoretic Phenomenon for Separation of Fine Sediments Into Grades

George Tchillingarian

Journal of Sedimentary Research (SEPM)

... cataphoretic velocity. An inverse relationship between size and velocity of clay particles treated with NaOH is shown. Results shown in table 1 also...