Abstract: Land Demultiple without Velocity Discrimination: Tau-P Deconvolution on High Fold Desert Data; #90211 (2015)

Qiang Li and Shelton Hubbell

Search and Discovery.com

... problems, lower s/n ratio, source coupling, and variable character and amplitude of both signal events and multiples within source records as well...

Abstract: The Use of a Source-to-Sink Methodology in Petroleum Exploration – Examples from the Mesozoic of the North Sea, by Tor O. Sømme, Christopher Jackson, and Ole J. Martinsen; #90124 (2011)

Search and Discovery.com

The Role of Regional Seismic Surveys in the Exploration of the North West Shelf

J. Ostby, C. Johnston

Petroleum Exploration Society of Australia (PESA)

.... This, coupled with the fact that the source used by AGSO is fairly low frequency, results in a signal and noise relationship which does not suffer...

Marchenko redatuming and seismic interferometry based internal multiple prediction for salt structures

Zhiwei Gu, Jianhua Geng, Ru-Shan Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... an internal multiple removal algorithm called inverse scattering series (ISS). This scheme can predict all possible internal multiples in the wavenumber...

The Jason Geoscience Workbench: "Teamware" for Finding Oil & Gas - The Smart Way

Paul D. Vrolijk

Petroleum Exploration Society of Australia (PESA)

... methods for 44 PESA News February/March 1997 single well/single wavelet estimation and multi well/ multi wavelet estimation . Deviated wells...

Enhanced Resolution Seismic and New Subsurface Insights: Miocene Section, St. Mary Parish, Louisiana

V. Egorov, C. I. Puryear, R. Tharimela, J. Jurasin

GCAGS Transactions

... of following the approach of boosting the amplitudes at noisy frequencies using an inverse operator, our process takes advantage of the reflectivity...

Abstract: Curvelet Denoising: Application to Crustal Reflection Data; #90171 (2013)

Jounada Oueity, Vishal Kumar, Ron Clowes and Felix Herrmann

Search and Discovery.com

... the noise suppression. The problem can be cast as an inverse one and the solution is found by updating results at each iteration. In this work, we extend...

Abstract: A Study from Source Rock Causing False Bright Spots, by Ravindra K. Singh, Mohammed G. Al-Otaibi, and Harianto H. Soepriatna; #90105 (2010)

Search and Discovery.com

The Gravity Method: Part 7. Geophysical Methods

T. R. LaFehr

AAPG Special Volumes

..., depending upon their sources. Two general approaches can be taken toward the interpretation of the residual anomaly: forward and inverse...

Abstract: Deblended-Data Reconstruction Using a Closed-Loop Approach for Time-Lapse Seismic Monitoring; #90319 (2018)

Tomohide Ishiyama, Mohammed Y. Ali, Gerrit Blacquiere, Shotaro Nakayama

Search and Discovery.com

... the incoherency of blending noise in the pseudo-deblended domain. This process can be posed as an inverse problem with quantifying the coherency and its...

Direct monitoring of fluid saturation using time-lapse full-waveform inversion

Amir Mardan, Bernard Giroux, Gabriel Fabien-Ouellet, Mohammad Reza Saberi

International Meeting for Applied Geoscience and Energy (IMAGE)

... x where s is the source function and the particle velocities in xand z-directions (vx and vz ) in addition to normal (txx and tzz ) and shear...

Viability of long-short term memory neural networks for seismic refraction first break detection … a preliminary study

Tasman Gillfeather-Clark, Eun-Jung Holden, Daniel Wedge, Tom Horrocks, Carlie Byrne, Matthew Lawrence

Petroleum Exploration Society of Australia (PESA)

... of an elastic wave at a ground-based sensor at a known distance from a seismic source. For details of its method and processing the reader is directed to Hawkins...

Joint full-waveform inversion of time-lapse OBN data at Thunder Horse field

Simon Luo, Esteban Diaz, Madhav Vyas, Ganyuan Xia

International Meeting for Applied Geoscience and Energy (IMAGE)

... baseline velocity and (b) true time-lapse velocity changes. RESULTS and inverted using a 6Hz Ricker wavelet, and the maximum source-receiver offset...

A prior regularized 3D full-waveform inversion using 2D generative diffusion models

Fu Wang, Tariq Alkhalifah, Xinquan Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... in observation, this inverse problem is highly ill-posed, especially for recovering a 3D velocity model. To solve this problem, regularization is often...

Phase Decomposition for Predicting Carbonate Reservoir Properties

Umberto Barbato

Unconventional Resources Technology Conference (URTEC)

... isolates seismic facies that are obscured by interference from adjacent reflections. For thin layers with a zero-phase wavelet, the -90° phase highlights...

Abstract: Stratigraphic Patterns in Carbonate Source Rock Distribution – With Special Attention to Cretaceous Intrashelf Basins of the Southern Arabian Plate, by Frans S. Van Buchem; #90101 (2010)

Search and Discovery.com

Application of improved shearlet transform algorithm in noise filtering of complex fault block oilfield in eastern Bohai Sea

Yu Xiong, Cai Li, Yongqiang Yao, Shaoxuan Li, Lei Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

..., wavelet transform is an important method of seismic data processing, which can almost perfectly deal with the singularity of one-dimensional signal, but its...

Application of Frequency-Dependent Attributes for Gas Prospect Identification

Vittorio De Tomasi, Alfonso Junio Marini, Maurizio Ferla, Francesca de Finis

International Meeting for Applied Geoscience and Energy (IMAGE)

...., 2014) to time-frequency methods like short Fourier transform, wavelet transform, etc. We demonstrate here a method based upon Tikhonov regularization...

Delineation of CBM Reservoir Using Sparse Layer Inversion: Tanjung II CBM Field Case Study

Sunarli Ardi, Hanif Widya Nugraha, Shabrina Paramitha, Dian Larasati, Gathuk Widiyanto, Dinda Larasati Rahmani, Alfian Usman

Indonesian Petroleum Association

... and smoothness. BPI implementation relies on the proper wavelet, which is usually derived from seismic data based on the target, however, this method...

High Performance Computation by Graphics Processor Unit Technology for Geophysical Seismic Signal Processing, #40727 (2011)

Sunjay Sunjay

Search and Discovery.com

... of the world. Imaging of the subsurface is a nonlinear inverse problem which plays the role of optical lens. The key challenge that the oil industry must...

Improved subsalt imaging in Brazil Campos basin Cascaded application of hybrid interbed demultiple, P- and S-salt velocity joint migration, and subsalt converted wave suppression

Riaz Alai, Faqi Liu, Darrell Armentrout, David Brookes, Terry Johnson, Milos Cvetkovic, Gundogan Coskun, Shah Sulaiman, Kien Kok Lee, Afiq Mokhtar, Christopher Lee Slind, Hafizan Wahab, Wan Ching Low, Ali Andrea B. Hashim

International Meeting for Applied Geoscience and Energy (IMAGE)

... of a secondary source (red dot at high amplitude base-salt edge). Scattering is observed when the waves propagate through the salt (indicated in blue...

Deep learning seismic full-waveform inversion and transient EM joint inversion for near surface velocity modeling

Daniele Colombo, Ernesto Sandoval-Curiel, Ersan Turkoglu, Weichang Li

International Meeting for Applied Geoscience and Energy (IMAGE)

... that are equally spaced in a grid by 50 m and 10 m respectively (Figure 1), where all the receivers simultaneously record each source. A time-domain...

Comprehensive lithological description, reservoir property, and pore-pressure prediction for unconventional shale reservoirs using rock physics: Midland reservoir characterization case study

Sagnik Dasgupta

International Meeting for Applied Geoscience and Energy (IMAGE)

... horizontal wells clearly demonstrate the complexity of these source rocks. Inversion of seismic data plays a critical role in understanding...

Bakken Well Performance Predicted from Shale Capacity

C. Newgord, M. Mediani, A. Ouenes, P. O'Conor

Unconventional Resources Technology Conference (URTEC)

... to correlate the well logs in depth to the seismic data in time. This produces a wavelet and acoustic impedance logs that we use for the inversions...

Joint data and physics model driven full-waveform inversion using CMP gathers and well-logging data

Shuliang Wu, Jianhua Geng

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The Ricker wavelet with a dominate frequency of 8 Hz is high-pass filtered at 4 Hz as the source to simulate the seismic data. We select one velocity...