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The AAPG/Datapages Combined Publications Database

Showing 5,187 Results. Searched 200,293 documents.

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Resolution Improvement Study and Application of 3D Surface Seismic Data using Borehole Seismic Data; #40961 (2012)

Qingfeng Kong

Search and Discovery.com

... using borehole seismic data. Firstly, Q-value is directly computed from zero-offset VSP and shot gathers are filtered by modified inverse-Q operator...

2012

Least-squares reverse time migration: Lessons learned from recent applications in challenging areas of the Santos Basin, Brazil

Jos Rodrigues, Felipe Duarte, Danilo Domingos, Bruno Pereira-Dias, Elionardo Pintas

International Meeting for Applied Geoscience and Energy (IMAGE)

...) (Lecomte, 2008) and its inverse can be approximated by a bank of nonstationary matching filters (Guitton, 2004). Nowadays, the image domain least-squares...

2022

Abstract: Estimation of Q-factor and Phase Velocity Using the Recovered Stress-strain Relaxation Spectrum; #90172 (2014)

Dali Zhang, Michael P. Lamoureux, Gary F. Margrave

Search and Discovery.com

... velocity can be calculated using the above derived formulas. Results In the first example we consider inverse modeling of Q-factor for a standard...

2014

Abstract: Nonlinear Seismic Wave Propagation in Heavy Oil; #90224 (2015)

Wubing Deng and Igor B. Morozov

Search and Discovery.com

... der Baan, M., 2012, Bandwidth enhancement: Inverse Q filtering or time-varying Wiener deconvolution?: Geophysics 77, V133-V142, doi...

2015

Analysis of potential fields through source decomposition in hypercompact atoms

Marco Maiolino, Luigi Bianco, Giovanni Florio, Maurizio Fedi

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Earth, Environment and Resources Sciences, University of Naples “Federico II”, Naples, Italy Summary We introduce a new filtering method for both...

2023

ABSTRACT: Enhanced Resolution in the Tiguentourine 3D Dataset Through Q Compensation; #90016 (2003)

B. Taylor, R. Crider

Search and Discovery.com

... dataset was used to define inverse filters to compensate the data for loss of amplitude and for phase distortions. The Q profiles employed were...

Unknown

Shale Gas OVT Seismic Data Prestack Trace-Gather Optimization Technique

Yusheng Zhang, Gang Yu, Xing Liang, Benjing Liu, Guangming Hu

Unconventional Resources Technology Conference (URTEC)

... filtering method is applied to filter the random noises identified in a gather and between gathers respectively. By computing the structure tensor...

2015

Applied Geostatistics Method for Clastic Gas Reservoir Facies Modeling of Middle Arang Formation of TS Gas Field, West Natuna Basin

Tigor Siagian, Ali Taha Al-Temimi, Abdulaziz Al-Mousawi, Sonny Winardhi

Indonesian Petroleum Association

... data only scattered at the crest of the structure. This causes uncertainty regarding the final results of the modeling. Therefore, Inverse-Q...

2017

Seismic erratic noise suppression based on Laplacian-scaled mixture prior

Haotian Xu, Weiwei Xu, Wenchao Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... introduce the LSM distribution to describe the erratic noise, i.e. ei = ki-1i . The inverse scale parameter ki obeys a certain distribution, i.e. P...

2022

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)

... west. "Standard" multiple attenuation techniques e.g., predictive deconvolution and F -k filtering, have had only limited success in attenuating...

1988

ABSTRACT: Compensating for Seismic Absorption Anomalies with 3-D Q-Tomography and Q-compensating PSDM; #90115 (2010)

Yi Xie, Kefeng Xin, James Sun, Carl Notfors, Barry Hung, and Roger Taylor

Search and Discovery.com

... depth migrated data. Early attempts to treat dissipation were directed towards the elimination of its effects from the data by inverse Q-filters. Since...

2010

Construction and Application of a Stratigraphic Inverse Model

Timothy A. Cross, Margaret A. Lessenger

Special Publications of SEPM

... of mate inverse model the solution is correct Q thought to be contained within this population of values of forward model parameters Multiple...

1999

Multichannel seismic deconvolution via 2D K-SVD and convolutional sparse coding

Guiqian Zhang, Xiayu Gao, Bangli Zou, Yaojun Wang, Yingzhu Chen

International Meeting for Applied Geoscience and Energy (IMAGE)

... deconvolution aims to improve the resolution of seismic data by compressing the filtering effect of wavelets (Robinson, 1967). However, the existence...

2023

Abstract: The Gulf of Mexico as Global Analogue: A Comparison of AVO and Energy Absorption with the South Caspian Basin

Paul Ware, Mai Yang, Keith Wrolstad, Ke-Shan Zou, Syed Zaman, Randy Cooper

GCAGS Transactions

... > Impedance sst deeper. Also, the Class II-III AVO response shows a local relationship with porosity that is the inverse of the GOM. Three-point log...

1997

ABSTRACT: Restoring High Resolution in Surface Seismic Data; #90051 (2006)

Khalid Alrufaii, Kangan Fang

Search and Discovery.com

... components. The VSP data analysis can be performed in either the time or the frequency domain which produces inverse filter operators at each consecutive...

Unknown

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)

... attenuation, DAS-to-velocity transform, designature, and Q-phase and directivity corrections were applied before migrating the data. The resultant...

2023

Fullband imaging

Zhengmin Zhang, Jiwei Jia, Geping Fu, Hao Zhang, David Chow, Barry Hung, Ian Anstey, Wai Leong Lai

Petroleum Exploration Society of Australia (PESA)

... in general. By applying Q Tomography on the common image gathers (CIGs) in two separate steps to obtain Qa and Qb, we generated an inverse Qt (1/ Qt...

2016

Seismic resolution enhancement with self-supervised learning

Shijun Cheng, Tariq Alkhalifah, Haoran Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... & Engineers, 1–5, doi: https://doi.org/10.3997/ 2214-4609.202113262. Berkhout, A. J., 1977, Least-squares inverse filtering and wavelet deconvolution...

2024

Abstract: Estimation of the Quality Factor with Tomography Using the Complex Eikonal Equation; #90255 (2017)

Tatiana Espinosa, Carlos Piedrahita Escobar

Search and Discovery.com

... by the quality factor Q (inverse of attenuation), results in significant loss of signal strength and bandwidth. Gas trapped in sediments...

2017

Q tomography workflow: Land case study in the Eagle Ford Play

Itai Sharabi, Matan Shustak, Orly Kletenik-Edelman, Ronit Levy, Zvi Koren

International Meeting for Applied Geoscience and Energy (IMAGE)

... shown the high value of performing the inverse Q filter within the migration process (Causse 1999, Traynin 2008, Mittet 2007). So far, different types...

2023

-- no title --

user1

Search and Discovery.com

... before and after filtering, the oil and gas status can be predicted, with the key point being the accurate determination of the Q factor of the coal...

Unknown

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