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The AAPG/Datapages Combined Publications Database

Showing 4,716 Results. Searched 195,452 documents.

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Ehsan, Athar

Search and Discovery.com

... of 0.8ms for a total of 2000 times. Ricker source wavelet with a peak frequency of 15Hz was used for synthetic generation. Bandpass filter between 0-3Hz...

Unknown

Abstract: 3D Time Domain Full Waveform Inversion Based on Multiscale Adapted Variable Grid Method Case Study Majunga Basin East African Coast; #91204 (2023)

Mukiibi Ssewannyaga Ivan, Jian-Ping Huang, Zi-Ying Wang, Jidong Yang, Jin Keji

Search and Discovery.com

... covering the entire grid. The data is recorded at a time increment of 0.8ms for a total of 2000 times. Ricker source wavelet with a peak frequency...

2023

VMD Based Sedimentary Cycle Division for Unconventional Facies Analysis

Fangyu Li, Tao Zhao, Yin Zhang, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

..., for instance, short-time Fourier transform (STFT) and continuous wavelet transform (CWT) are classical TFA tools (Partyka et al., 1999; Sinha et al...

2016

A Comparison between Geostatistical Inversion and Conventional Geostatistical-simulation Practices for Reservoir Delineation

C. Torres-Verdn, A. Grijalba-Cuenca, H. W. J. Debeye

AAPG Special Volumes

.... To perform this test, the realizations of acoustic impedances are converted into a reflectivity series that is convolved with the seismic wavelet...

2006

The Geophysicists' Bane: Multiple Suppression on the North West Shelf

C. R. T. Ramsden, M. R. Hobson, R. Cooper

Petroleum Exploration Society of Australia (PESA)

... Amplitude spectrum (S (f)) 0. 100. 200. Milliseconds 300. 400. BEFORE A v 0. A ~ 100. - INVERSE Transform ,....... 200. Milliseconds...

1988

Stacking common-image gathers via the flatten-illumination-similarity method

Chengliang Wu, Huazhong Wang, Bo Feng, Chao Ning, Xianggong Tang

International Meeting for Applied Geoscience and Energy (IMAGE)

... seismic wavelet cause the uneven illumination and migration artifact on CIGs. In this abstract, we propose an improved stacking method to improve...

2023

EXTENDED ABSTRACT: Geochemical Modeling of Regional Hydrochemical Evolution in the Wilcox Aquifer of Missouri and Arkansas

Estifanos Haile and Alan E. Fryar

GCAGS Transactions

... modeling: (1) tracing the relation between initial and final water compositions with or without mixing (inverse modeling), and (2) deriving...

2008

From Inversion Results to Reservoir Properties, #40869 (2012)

M. Kemper, N. Huntbatch

Search and Discovery.com

... • Bayesian Classification • EEI Illumination • Rock Physic Model Template inverse modelling • Seismic Net Pay • Colocated co-Kriging • Multi...

2012

ABSTRACT: Seismic detection of faults and fractures; #90136 (2011)

Santinder Chopra

Search and Discovery.com

... decomposition-based inversion for seismic reflectivity, a process that removes the time-variant wavelet from the seismic data and extracts the reflectivity...

2011

A simultaneous denoising and event picking approach using supervised machine learning

Salman Abbasi, Motaz Alfarraj, Dmitry Borisov, Vikram Jayaram, Iftekhar Alam, Bakhtawer Sarosh

International Meeting for Applied Geoscience and Energy (IMAGE)

... examples of denoising algorithms include polarization filtering (e.g. Akram, 2018), radon transform (Sabbione et al., 2015) and wavelet transforms Li et...

2023

Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well

Ali Sayed, Francesca Twynam, Ran Bachrach, Philippe Caprioli, Marcus Holloway, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

... using a racetrack shooting pattern. Two source arrays of 5110 cu in. volume, positioned at a depth of 49.2 ft [15 m] below sea level, were shot...

2023

Damped least squares-based deterministic PP wave and SH-SH wave joint inversion method

Ying Lin, Guangzhi Zhang, Baoli Wang, Siyuan Chen, Minmin Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., the inverse problem can be solved by a damped least squares algorithm. (6) where is the transpose of , is the unit matrix, is the damping factor associated...

2023

Seismic Data - Are We Realising Its Full Potential?

Phil Williams, Mick Cook

Petroleum Exploration Society of Australia (PESA)

...-client, are not uncommon with the bin centres located on a 12.5m grid in the final workstation dataset. The development of multi-source and streamer...

1996

Predicting Hydraulically Induced Fractures Using Acoustic Impedance Inversion Volumes: A Barnett Shale Formation Example; #40829 (2011)

Xavier E. Refunjol, Joel H. Le Calvez, and Kurt J. Marfurt

Search and Discovery.com

... as source rocks and seals, shale formations are now also considered as tight-porosity and low-permeability unconventional gas reservoirs...

2011

MWD for Shallow Water Demultiple: A Hibernia Case Study, #41294 (2014)

Hongzheng Jin, Min Yang, Ping Wang, Yan Huang, Mervyn J. Parry, Yvonne Paisant-Allen

Search and Discovery.com

... parameters are used in the adaptive subtraction step for a fair comparison except that for SRME, a matching filter equivalent to the inverse of the source...

2014

Inverse 4D seismic timeshifts: How much do our reservoirs rebound?

Jan Stammeijer, Duane Mikulencak, Chen Bao

International Meeting for Applied Geoscience and Energy (IMAGE)

...Inverse 4D seismic timeshifts: How much do our reservoirs rebound? Jan Stammeijer, Duane Mikulencak, Chen Bao Inverse 4D seismic timeshifts: how much...

2023

Shale Gas Sweet Spot Identification using Quantitative Seismic Interpretation (QSI) and Neural Network in Krishna-Godavari Basin, India

Soumen Deshmukh, Shrey Omer, P. S. Tomor, Harilal

Unconventional Resources Technology Conference (URTEC)

... gas exploration and exploitation depend on the robust 3D characterization of shale gas source/reservoir (TOC content, thermal Maturity, porosity...

2020

Delineation of a Thin Sandstone Reservoir Using Seismic Lithologic Modeling in the Taber-Turin Area, Alberta

Tom Guidish and Marc DeBuyl

AAPG Special Volumes

...: 88 lines (EW), of 111 CDPS; 20- by 20-m bin size; 1200-1600% coverage; Vibroseis source--16 downsweeps, 80-14 Hz; source and receiver spacings--40 m...

1987

Combining seismic reservoir characterization workflows with basin modeling in the deepwater Gulf of Mexico Mississippi Canyon area

Wisam H. AlKawai, Tapan Mukerji, Allegra Hosford Scheirer, and Stephan A. Graham

AAPG Bulletin

...:10.1190/INT-2015-0001.1. Tarantola, A., 1987, Inverse problem theory and methods for model parameter estimation: Amsterdam, Elsevier Science, 630 p. Weimer...

2018

Laminae-scale rhythmicity of inclined heterolithic stratification, Lower Cretaceous McMurray Formation, NE Alberta, Canada

E. R. Timmer, M. K. Gingras, M. L. Morin, M. J. Ranger, J.-P. Zonneveld

CSPG Bulletin

... based on distinct ichnological and sedimentological features. For each lithosome, Continuous Wavelet Transforms, applied to measurements of laminae...

2016

EXTENDED ABSTRACT: Re-Evaluating Depositional Models for Shelf Shales

Janok P. Bhattacharya, James A. MacEachern

GCAGS Transactions

... that show both normal and inverse grading (Fig. 1), indicating sustained flows that waxed and waned. They also display low intensities of bioturbation (Fig...

2009

An Inverse Approach for Relating Seismic Velocity and Overpressure to Permeability and Sedimentation History in Deep Basins, #40863 (2012)

Hector M. Moreno, Tim A. Minshull, Rosemary A. Edwards,

Search and Discovery.com

...An Inverse Approach for Relating Seismic Velocity and Overpressure to Permeability and Sedimentation History in Deep Basins, #40863 (2012) Hector M...

2012

Detailed Oriented Seismic Processing Leads to More Accurate Elastic Attribute Results in the Delaware Basin

Marianne Rauch-Davies, Steve Smith, Alyona Bashkirtseva Hall

Unconventional Resources Technology Conference (URTEC)

... the relationship between AI, SI and RHO can be defined. • Employ pre-stack seismic data, usually angle stacks. • Require some estimate of the seismic wavelet...

2017

Abstract: Azimuthal Simultaneous Elastic Inversion; #90172 (2014)

Jon Downton, Benjamin Roure

Search and Discovery.com

... by varying the wavelet as a function of angle of incidence. Further, ray tracing need not be performed, simplifying the forward modeling. The initial model...

2014

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