Exploration of the North Seribu Area, Northwest Java Sea

Roberto Fainstein

Indonesian Petroleum Association

... wavefield at two-way time was used for comparison with the original seismic line (Fig. 7). In this display, the deconvolution operator used was estimated...

Seismic sparse time-frequency representation via GAN-based unsupervised learning

Youbo Lei, Yang Yang, Naihao Liu, Shengtao Wei, Jinghuai Gao, Xiudi Jiang

International Meeting for Applied Geoscience and Energy (IMAGE)

... methods. to 2D STFR image, while the discriminator is used to constrain the generator to generate the real STFR image. To promote the model...

Abstract: Interpolation by Angular Deconvolved prior MWNI (AdMWNI); #90224 (2015)

Mark Ng and Dan Negut

Search and Discovery.com

... . The adjoint operator giving the transform model at ω is  mk x  TF ' D  H d x  D FTd x (5) . The first a priori used is mk x  D (6) . Note...

A shallow velocity model building using full-waveform inversion on 3D onshore dataset

Young Seo Kim, Jewoo Yoo, Tong Fei, Ali Almomin

International Meeting for Applied Geoscience and Energy (IMAGE)

... dataset used in this study are dominated by noises and a legacy velocity model in the survey area is not existed. To overcome these problems, a two-stage...

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)

... model could be obtained. This more accurate velocity model was then used within the pre-stack time migration processing. After pre-stack time migration...

Seismic impedance inversion via neural networks and linear optimization algorithm

Bo Zhang, Yitao Pu, Ruiqi Dai, Danping Cao

International Meeting for Applied Geoscience and Energy (IMAGE)

... model used for synthetic testing is modified from the impedance model that was generated by Zeng et al. (1998). The Zeng’s impedance model was designed...

Coupling Seismic Data with Simulated Annealing Method Improves Reservoir Characterization

D. Abdassah, L. Mucharam, I. Soengkowo, H. Trikoranto, R. Sumantri

Southeast Asia Petroleum Exploration Society (SEAPEX)

... and Exhibition, Washington, DC, October 4-7, 1992. 3. Bashore, W. M. and Araktingi, U. G.: “The Importance of The Geological Model reservoir...

Abstract: Greedy Least-Squares and its Application in Radon Transforms; #90171 (2013)

Juefu Wang and Mark Ng

Search and Discovery.com

..., conjugate gradients (CG), but it is utilized adaptively in amplitudeprioritized local model spaces, thereby giving rise to a greedy algorithm. The adaptive...

Building high-resolution models and synthetic seismic data to evaluate interpretation scenarios

Tiago Santos Cabral, Rodrigo Lopes Fernandes, Daina Popic Bendoraitis, Josair Estrela Gonalves Junior, Luiz Alberto Santos

International Meeting for Applied Geoscience and Energy (IMAGE)

...; Le Diagon et al., 2017), and it is a core component of most imaging and velocity model update algorithms used in seismic processing. However...

Acoustic target-level full-waveform inversion: Applied to ocean-bottom seismic data

Carlos A. N. da Costa, João M. de Araújo, D.J. Verschuur, Aydin Shoja

International Meeting for Applied Geoscience and Energy (IMAGE)

... 1200 1.5 1050 2.0 900 Figure 2: Subsurface model used for modeling the observed data set. (a) P-wave velocity model. (b) Mass density model. (8) k...

Abstract: Attenuation, Velocity Dispersion and the Fate of the Vibroseis Signal; #90211 (2015)

Bernd Milkereit, Flora Sun, Wei Qian, and Thomas Bohlen

Search and Discovery.com

... with strong attenuation, uncorrelated Vibroseis data should be acquired and Q-dependent Vibroseis deconvolution should be applied prior to correlation...

Resolving Structural Uncertainty using DAS VSP Survey in Central Australia

Konstantin Galybin, Cameron Jones, Frank Nicholson, Ryan Chapman, Rob Twigg

Petroleum Exploration Society of Australia (PESA)

... also match, validating the 1D model that is built for this wellbore. The offset VSP model used for wavefield separation is then used to migrate...

Abstract: The Effect of Resistivity Anisotropy on Transient Electromagnetic Earth Responses; #90171 (2013)

Bruce Hobbs, Dieter Werthmuller, and Folke Engelmark

Search and Discovery.com

... in the original anisotropic model – the smaller the offset, the shallower the target. (A survey over a calibration well could be used to determine...

Suppression of coherent and random noise using adaptive thresholding method in seismic-while-drilling

Yue Ma, Yujin Liu

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the seismic processing and imaging techniques, such as deconvolution, migration, and inversion are modeled as noise-free processes. When random...

Abstract: Progress and Challenges in the Processing and Use of Land Seismic Data Acquired via Compressive Sensing; #91204 (2023)

Gregory Culianez, Tahar Ben Youssef, Mohammad Farooqui, Ahmed Al Harthi

Search and Discovery.com

... model building techniques such as Multi-Wave Inversion (MWI) and Full-Waveform Inversion (FWI). A 170 km2 subset of a conventionally acquired dataset...

Enhancing conventional VSP data to broadband and its quantitative improvement on lookahead inversion

Hussain Almarzooq

International Meeting for Applied Geoscience and Energy (IMAGE)

... potentially be extended for both 2D and 3D VSP imaging. Furthermore, the Lookahead part may be used for building the low frequency model for surface seismic...

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

J. Ostby, C. Johnston

Petroleum Exploration Society of Australia (PESA)

... specific examples from the North West Shelf. The authors believe that, when used in conjunction with local prospect development, regional data can...

Bayesian variational auto-encoder for seismic wavelet extraction

Ammar Ghanim, Ricard Durall, Norman Ettrich

International Meeting for Applied Geoscience and Energy (IMAGE)

... wavelet. Moreover, we demonstrate the capability of the model to capture uncertainty in a synthetic case, where ground-truth is present and demonstrate...

Geophysics applied to geotechnical study in Ouro Preto, MG, Brazil

Gabriel do Nascimento Cardoso, Maria Slvia Carvalho Barbosa, Lus Artur Souza Oliveira, Joney Justo da Silva, Pedro Loureno dos Reis, Henrique Rodrigues Alves de Souza, Aline Terezinha de Souza Rodrigues, Silvia Amlia de Jesus, Fernando Antnio de Oliveira, Julia Ferreira Schiavon

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The processing of these images aims to obtain the digital elevation model (MDE) and terrain (MDT) and orthophoto. Maps of elevation, slope and land use...

Strachan and Ricinus West Gas Fields, Alberta, Canada

M.E. Hriskevich, J.M. Faber, J.R. Langton

AAPG Special Volumes

... with orientation to the appropriate geologic model, showed that the key well was on the flank of what is now called the Strachan reef. In 1968, Banff...

AVO Analysis for Direct Hydrocarbon Detection in Field X in the Persian Gulf (Paper 5)

Mohammad Ali Riahi, Mohammad Emami Niri

Geological Society of Malaysia (GSM)

... processing was applied to data using Vista package software. To obtain broadband data and suppression of noise and multiples, deconvolution and radon...

4D Microgravity Monitoring in a Mature Waterflood Field: A Case History at Minas Field, Central Sumatra

Afifudin, Wing B. Yudhiarto, Susanti Alawiyah, Syarkowi, Wawan G. A. Kadir

Indonesian Petroleum Association

..., the model is iteratively updated until calculated and observed values are almost matched. Density Contrast Distributions are estimated using deconvolution...

Integrated Analysis of Borehole and Seismic Data

E. Poggiagliolmi, R. D. Allred

Indonesian Petroleum Association

... models used by contractors for wavelet estimation. An idea of statistical wavelet model proliferation can be gained by reading through the proceedings...

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)

... were envisaged in the data domain (Nemeth et al., 1999). Later, image-domain LSM was developed and is also known as migration deconvolution (Hu et al...

Spectral Balancing Can Enhance Vertical Resolution, by Kurt J. Marfurt and Marcilio C. de Matos; #41357 (2014).

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