ABSTRACT: The Roles of Material Dilatancy in Post Failure Borehole Stability Analysis for Underbalanced Drilling Wells in Shale - A Sensitivity Analysis; #90122 (2011)

M. A. Islam, P. Skalle, O. K. Søreide, and O. M. Nes

Search and Discovery.com

..., Austin, Texas. Islam, Skalle, Søreide & Nes…Page 2 It is important to understand nonlinear characteristics of rocks before and after the peak stress...

Predicting Brittleness for Wolfcamp Shales Using Statistical Rock Physics and Machine Learning; #42566 (2021)

Jaewook Lee, David Lumley

Search and Discovery.com

... a more reliable brittleness prediction. Machine learning techniques can help to solve complex and nonlinear problems using large data sets. First, we...

A New Dynamic Apparent Permeability Model for Gas Flow in Microfractures of Shale

Yudan Li, Pingchuan Dong, Dawei Zhou

Unconventional Resources Technology Conference (URTEC)

... and successfully used in conventional porous media, becomes insufficient for microfractures within shale due to the additional nonlinear-coupled processes [5...

PANDAS: High Performance Geocomputing Software and its Potential Application in Deep Mining

Huilin Xing, Jinfang Gao, Yan Liu

Petroleum Exploration Society of Australia (PESA)

... computational model and software PANDAS (Parallel Adaptive static/dynamic Nonlinear Deformation Analysis System) and its related applications in deep...

Velocity estimation via model order reduction

Alexander V. Mamonov, Liliana Borcea, Josselin Garnier, Jrn Zimmerling

International Meeting for Applied Geoscience and Energy (IMAGE)

... on an active array of sensors. The ROM, a projection of the wave equation operator is constructed from the data via a nonlinear process and is used...

Energy Minerals: Introductory Comments

Neil B. Crow

Circum Pacific Council Publications

... The behavior is shown to be influenced by the organic matter content and by s t r e s s levels. The authors have developed a nonlinear, pseudo 3D model...

Least-squares reverse-time migration with angle gathers through point spread functions

Jianyong Bai, Orhan Yilmaz

International Meeting for Applied Geoscience and Energy (IMAGE)

... is iteratively solved through a nonlinear conjugate gradient method. Synthetic data examples demonstrate that the method uplifts the ADCIGs with improved...

Sensitivity analysis of acoustic waveform inversion to velocity anomalies in the near-surface using the Frchet derivative

Ao Cai, Colin A. Zelt

International Meeting for Applied Geoscience and Energy (IMAGE)

... anomalies, whereas nonlinear traveltime tomography (TT) is known to be more sensitive to high velocity anomalies than low velocity anomalies because...

Factors linking the static and dynamic elastic stiffness of shale: An experimental study on shales

Xuan Qin, Yonghao Zhang, De-hua Han1

International Meeting for Applied Geoscience and Energy (IMAGE)

... was that the nonlinear elasticity could be characterized by Young’s modulus as a linear function of the axial strain. The linear function’s intercept represented...

Seismic intelligent characterization of paleocave filling types in deeply buried carbonate reservoirs

Jiangyun Zhang, Fei Tian, Wenxiu Zhang, Wenhao Zheng, Wang Zhang, Zhongxing Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The core-logging-seismic nonlinear regression model has been established by machine learning algorithm, guiding high precision identification...

ABSTRACT: COAL QUALITIES INFLUENCES ON TRAITS OF COAL WATER MIXTURE

Liqin Chong, Zhiqiang Xu, Rongzeng Zhang

The Society for Organic Petrology (TSOP)

..., moisture, volatile matter and HGI) on CWM’s slurriability were carried out and the prediction model of coal’s slurriability was educed by multi-nonlinear...

ABSTRACT: RESEARCH ON THE SIMULATION OF COAL FIRE SPREAD BASED ON CELLULAR AUTOMATA

Shunian Ning, Guangliang Li, Gang Li, Huasheng Zou

The Society for Organic Petrology (TSOP)

... the nonlinear interaction between cells. Both time and space in CA are discrete. According to evolves the rule, the next step condition can be concluded. CA model...

Regularization for full-waveform inversion by generative diffusion model with score distillation

Bingbing Sun

International Meeting for Applied Geoscience and Energy (IMAGE)

... due to its nonlinear and ill-posed characteristics. The non-linearity of FWI renders it susceptible to initial model conditions and prone to local...

A simultaneous wavefield separation and denoising approach for vertical seismic profile using geometric mode decomposition

Salman Abbasi, Jubran Akram, Andres Chavarria, Vikram Jayaram, Iftekhar Alam, Dmitry Borisov, Yanwei Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... be parameterized for dispersive nonlinear events, that can be split into linear modes. Therefore, VSP decomposed modes result in segregated downgoing...

Abstract: Seismic Application Using Feedforward Neural Network Technology: A Review

Leong Lap Sau, Ng Tong San

Geological Society of Malaysia (GSM)

..., and a neural network architecture with two hidden units respectively. Input to the network is weighted, summed and squashed through a nonlinear transfer...

Wave Evolution in Cohesive Sedimentary Environments: Open Problems

A. Sheremet, J. M. Kaihatu, G. W. Stone, X. Zhang

GCAGS Transactions

... stratifications, e.g. fully turbulent (Trowbridge and Kineke, 1994), or two layered (e.g., Maa and Mehta, 1991). The essential nonlinear behavior...

Memoir 71, Chapter 10: Reducing Uncertainty in Geostatistical Description with Well-Testing Pressure Data

Albert C. Reynolds, Nanqun He, and Dean S. Oliver

AAPG Special Volumes

..., 1988, Subspace methods for large-scale nonlinear inversion, in Mathematical Geophysics: A Survey of Recent Developments In Seismology and Geodynamics...

Subsurface Waste Storage--the Earth Scientist's Dilemma

Robert W. Stallman

AAPG Special Volumes

... state of knowledge is not adequate to estimate them accurately. Theory regarding (a) dispersion, (b) nonlinear relations between rock stress...

Turbulence Effects on the Settling of Suspended Particles

Peter Nielsen

Journal of Sedimentary Research (SEPM)

... of various types is incompletely defined by the sparse experimental data. Reduction in settling velocity may occur as a result of nonlinear drag...

Compaction and Porosity Evolution of Pliocene Sandstones, Ventura Basin, California: REPLY

John C. Wilson, Earle F. Mcbride

AAPG Bulletin

... is not easily computed and possibly is nonlinear. The changes in apparent sorting will depend on the relative degrees of packing by grain rearrangement...

Interferometric Synthetic Aperture Radar (Insar)

Shilong Mei

Search and Discovery.com

.... and Rocca, F., 2000, Nonlinear subsidence rate estimation using permanent scatterers in differential SAR interferometry ; IEEE Transactions...

Remediation Exit Strategy, Defining When To Turn Off An Engineered System

Search and Discovery.com

Laboratory Compaction Behavior of Siliciclastic and Carbonate Reservoirs: The Impact of Heterogeneity and What are the Differences?

Search and Discovery.com

PAPG/SPE Annual Technical Conference , November 10-11, 2010, Islamabad, Pakistan; Abstracts #90120 (2011).

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Interferometric Synthetic Aperture Radar (Insar)

Shilong Mei

Search and Discovery.com

.... and Rocca, F., 2000, Nonlinear subsidence rate estimation using permanent scatterers in differential SAR interferometry ; IEEE Transactions...