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The AAPG/Datapages Combined Publications Database

Showing 555 Results. Searched 195,405 documents.

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Abstract: Surface-To-Borehole TFEM Data Acquisition System Development and Field Test; #90319 (2018)

Gang Yu, Zhanxiang He, Zhigang Wang, Yang Cao

Search and Discovery.com

...., Zhuozhou, Hebei, China. ABSTRACT A surface-to-borehole time-frequency domain EM (TFEM) data acquisition system has been developed and a successful field...

2018

A New Method of Multiple Attenuation: Multiple Identification and Subtraction

Search and Discovery.com

... a high resolution Radon transform method in frequency domain. Most recently, Schonewille and Aaron (2007) showed that their high resolution Radon...

2013

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)

... to the surface seismic image. Post-stack least-squares migration in the image domain was used to compensate for illumination effects and further improve...

2023

Unlocking the Potential of Conventional Narrow Azimuth Data by Full-Waveform Inversion: a Deep Carbonate Imaging Case Study, Offshore Indonesia

Jun Wang, Yonghe Guo, Putri Supriandini, Bahrul Yusrie, Natalia Anggriani

Indonesian Petroleum Association

... define the velocity model. Pratt, R. G., 1999, Seismic waveform inversion in the frequency domain, part 1: Theory and verification in a physical scale...

2021

Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method

Tianfei Zhu

Search and Discovery.com

... Consider the wave equation in the frequency domain: ’2 <  Z2 V 2 (x ) < 0. (1) ART seeks an approximate solution to the wave equation in the form...

Unknown

Phase-Ray Maslov Summation: A Complete Finite-Frequency Ray Method

Tianfei Zhu

Search and Discovery.com

... Consider the wave equation in the frequency domain: ’2 <  Z2 V 2 (x ) < 0. (1) ART seeks an approximate solution to the wave equation in the form...

Unknown

Abstract: Nisku Multiple Attenuation with Interpolation and Sparsity: A Case Study; #90172 (2014)

Lee Hunt, Scott Reynolds, Mark Hadley, Scott Hadley, Mike Perz, Ye Zheng

Search and Discovery.com

... it for both parabolic and hyperbolic applications that could be solved in either the time or frequency domain (Sacchi, 2009). The use of sparsity constraints...

2014

Abstracts: Color Correction for Gabor Deconvolution: A Test with Field Data; #90173 (2015)

Peng Cheng, Gary F. Margrave, David C. Henley

Search and Discovery.com

... the above comparison in time domain and frequency domain, we can see that spectral color correction strengthens the high frequency components of seismic data...

2015

Abstract: Model Parametrization Strategies for Newton-Based Acoustic Full Waveform Inversion; #90224 (2015)

Amsalu Y. Anagaw

Search and Discovery.com

... Stekl, I. and R. G. Pratt, 1998, Accurate viscoelastic modeling by frequency-domain ïnAnite differences using ˘¸ rotated operators: Geophysics, 63...

2015

Abstract: Deterministic Marine Deghosting: Tutorial and Recent Advances; #90224 (2015)

Mike J. Perz and Hassan Masoomzadeh

Search and Discovery.com

... is minimum phase. We can easily express this operator in the frequency domain as (2) 𝐺(𝑤) = 1 − 𝑟𝑒 𝑖𝑤𝑡 𝑑 , and its minimum phase inverse as: 1...

2015

Characteristics of the Free Surface Multiple Attenuation Using Wave Field Extrapolation; #40504 (2010)

Patrícia P. Ferreira, Marco Antonio, Cetale Santos, and Luiz Landau

Search and Discovery.com

... for a medium characterized as a volume D enclosed by a surface S. It can be described in the frequency domain by (Wapenaar and Berkhout, 1989): , (1...

2010

Integrated Reservoir Characterization of Thin Bed Reservoir in Desert Area, #20391 (2017).

Jie Chen, Jixiang Lin, Jie Li, Yu Lin, Yaonan Li, Jing Bie, Yuzhen Wang

Search and Discovery.com

.... Wu, 2005, Spherical divergence and absorption in time and frequency domain: Oil Geophysical Prospecting, v. 40, p. 176–182. Sen, M.K., 2006, Seismic...

2017

Increasing The Resolution of Seismic Imaging With Spectral Blueing, Spectral Decomposition RGB And HSV Blending to Delineate The Fluvial Facies on Fluvio Deltaic Environment

Aji Darma Maulana, Nine Safira, Ongki Ari Prayoga, Egie Wijaksono, Alit Ascaria

Indonesian Petroleum Association

... surveys (Partyka et al., 1999). Spectral decomposition is carried out by converting seismic data into the frequency domain using time-frequency...

2022

Stochastic inversion method based on a priori information of compression-sensing divided-frequency waveform indication

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

International Meeting for Applied Geoscience and Energy (IMAGE)

... with seismic waveform indication in different frequency bands. The a priori models at different frequency bands are integrated in the frequency domain to obtain...

2023

Application of Fullwaveform Tomography to VSP Walkaway Data

Eric Takam Takougang, Youcef Bouzidi

Petroleum Exploration Society of Australia (PESA)

..., Abu Dhabi [email protected] SUMMARY VSP walkaway data were collected in an oil field in the United Arab Emirates. 2D frequency domain fullwaveform...

2016

Abstract: Full-Waveform Inversion of Field Data in the Foothills: Results and Challenges with Long-Offset Seismic; #90172 (2014)

Andrew J. Brenders, R. Gerhard Pratt, Sylvestre Charles

Search and Discovery.com

... itself to frequency-domain methods, since in the discrete Fourier domain, this is equivalent to using a complex-valued frequency, defined by i...

2014

Australian National Ocean Bottom Seismograph Fleet Advances Conventional Exploration

Alexey Goncharov, Michal Malinowski, Dejan Sekulic, Ashby Cooper, Peter Chia, Alexander Gavrilov, Garrick Paskos

Australian Petroleum Production & Exploration Association (APPEA) Journal

...). Crustal seismic imaging from multifold ocean bottom seismometer data by frequency domain full waveform tomography: Application to the eastern Nankai trough...

2017

Broadband data with a new low frequency source Acquisition and processing example from the Gulf-of-Mexico

Xuefeng Shang, Maksym Kryvohuz, Hamish Macintyre, Guido Baeten, Thibaut Allemand, Philippe Herrmann, Stephane Laroche, Shuki Ronen

International Meeting for Applied Geoscience and Energy (IMAGE)

... reverse time migration results of TPS (top) and the conventional array (bottom) data. The images are converted into time domain after migration...

2023

Accurate seismic data interpolation based on multiband intelligent training

Xueyi Sun, Benfeng Wang, Tongtong Mo

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the frequency domain (Porsani, 1985; Spitz, 1991; Naghizadeh and MD Sacchi, 2009; Li et al., 2018). The second is the rank reduction-based...

2023

Seismic signatures of pore fluid mobility in heterogeneous reservoirs

Qiuzi Li, Brent Wheelock, Tuan Tran, Fadil Santosa

International Meeting for Applied Geoscience and Energy (IMAGE)

... applications and in the time-frequency domain. Prior studies showed that evaluated the influence of CO2 saturation on the seismic data AVA and spectral...

2023

Data selection for velocity model estimation using a circular shot OBN survey

Felipe T. Costa, Sergio L. E. F. da Silva, Ammir A. Karsou, Felipe Capuzzo, Roger M. Moreira, Jorge Lopez, Marco Cetale

International Meeting for Applied Geoscience and Energy (IMAGE)

... by Pratt (1999), which solves a linear least-square problem in the frequency domain. Since in our experiments the number of receivers (nodes) is smaller...

2023

An approach to reduce exploration risk using spectral decomposition, prestack inversion, and seismic facies classification

Carlos Jesus, Wagner Moreira Lupinacci, Patricia Takayama, Joana Almeida, and Danilo Jotta Ariza Ferreira

AAPG Bulletin

... decomposition to frontier basins of high geologic complexity can help overcome the challenges because in the frequency domain, it is possible to better define...

2020

Improved Subsurface Imaging and Interpretability Through Broadband Reprocessing of Legacy Seismic Data: Examples from North West Shelf Australia

Stephen Malajczuk, Rajesh Saklani, Dean Clark, David Eastwell

Petroleum Exploration Society of Australia (PESA)

... Inversion methods has also been a driver for the recovery of low frequencies. The ghost G(kz) can be formulated in frequency domain as: 1 (1) Where...

2016

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