Determination of Density from Seismic Data; #42456 (2019)

Ritesh Kumar Sharma, Satinder Chopra

Search and Discovery.com

... to conditioned gathers using partial-angle stacks, a reliable low-frequency model and angle-dependent wavelets. The attributes derived from the simultaneous...

Enabling the Next Generation of Hydrocarbon Exploration

Stefano Volterrani, Tim Matava, Zakir Hossain, Shihong Chi, Brian W. Horn

GEO ExPro Magazine

... instances, basin analysis uses only information from the applied geological model. This workflow is common in the methods of basin analysis; however, modern...

Seismic Meta-Attributes and the Illumination of the Internal Reservoir Architecture of a Deepwater Synthetic Channel Model, #41267 (2014)

Staffan Van Dyke, Renjun Wen

Search and Discovery.com

... Abstract We applied workflows of seismic attribute analysis and facies classification to a synthetic 3-D seismic volume, which was generated from velocity...

Abstract: Better Imaging of the Subsurface using Primaries and Multiples: A Synthetic Example

Abdul Rahim Md Arshad, Deva Ghosh

Geological Society of Malaysia (GSM)

...Abstract: Better Imaging of the Subsurface using Primaries and Multiples: A Synthetic Example Abdul Rahim Md Arshad, Deva Ghosh EatamahShaImaahR...

Evolution of Offshore Seismic Exploration: ABSTRACT

W. Harry Mayne

AAPG Bulletin

... by the advent of the common reflection point method, and the Lamont-type air gun has become the most popular present-day source. Concurrently, the vessels...

Abstract: DMO Accuracy Requirements for AVO Analysis

Craig J. Beasley

Geological Society of Malaysia (GSM)

... al., 1984). For 2-D DMO, in which the "processing unit" is typically a large group of traces, such as common-offset data or shot gathers, f k DMO...

Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)

Peter W. Cary, Albert Zhang

Search and Discovery.com

... analysis. Based on the theory developed by Bleistein (2001), new formulas of true amplitude weights for both 2D common offset and 3D common-offset vector...

Advances in Seismic Acquisition in the Sabana de Bogotá, Colombia

Jair Rodrigues de Salles Scares Filho, Mario Geraldo de Freitas

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... this analysis, group and shot point intervals of 25 meters were selected. An asymmetric split spread was chosen, so as to adequately image both shallow...

Deep Dix: Enhancing interval velocity model estimation through adversarial regularization

Joseph Stitt, Robert Clapp, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

..., leading to the correct identification of velocity models as either smooth or blocky. After training, we performed Dix inversion tests using synthetic...

Learning from 40 Years Experience: Risking Seismic Amplitude Anomaly Prospects; #110139 (2010)

Mike Forrest

Search and Discovery.com

... in Interpretation and Risk Analysis Work Process “Geology Studies” Regional geology studies – easy to undervalue Prospect Probability of Success using...

Incorporation of Geology, Wells, Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth ModelŽ, #40862 (2012)

Huyen Bui, Peck Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Martiris Smith

Search and Discovery.com

.... This step is very important to tie the seismic events with the well markers into correct depth as well as flatten the common image point (CIP) gathers...

Improving Stratigraphic and Structural Interpretation of Suban 3D Through Advanced Reprocessing

Safitri Nurida, Irfan Yuliandri Syukri, Ludy Andria

Indonesian Petroleum Association

.... Five iterations were performed, including 5 iterations of velocity update using tomographic velocity iterations and basement sweep analysis. Each new...

Overpressured Carbonate Reservoirs, Offshore Sarawak; Methods of Pore Pressure Prediction (Paper B11)

P. Baltensperger, W. Zanussi, S. Bordoloi, S. Nath

Geological Society of Malaysia (GSM)

... to detailed velocity analysis using These claystones overlie and in some areas are in pressure a stratigraphic interpretation of the prograding clastic wedges...

Fracture Detection Interpretation Beyond Conventional Seismic Approaches, #41035 (2012)

Gary Jones, Rocky Roden

Search and Discovery.com

... this study was in the gas prone area of the play, it was decided to include an analysis of the pre-stack seismic data and attributes Pre-Stack Gathers were...

Estimating CO2 saturation maps from seismic data using deep convolutional neural networks

Zi Xian Leong, Tieyuan Zhu, Alexander Y. Sun

International Meeting for Applied Geoscience and Energy (IMAGE)

... the connection between seismic shot gathers and CO2 leakage mass. Li et al. (2021) used a fully convolutional neural network to predict time-lapse velocity...

Elastic-AdjointNet: A physics-guided deep autoencoder to overcome crosstalk effects in multiparameter full-waveform inversion

Arnab Dhara, Mrinal Sen

International Meeting for Applied Geoscience and Energy (IMAGE)

...) based auto encoder whose outputs are used as P-wave, Swave and density models that are used to compute synthetic seismograms using the stress-velocity...

Application of acoustic anisotropic time-lapse full-waveform inversion at the Sleipner Field

Sea-Eun Park, Alexey Stovas, Hyeong-Geun Ji, Ju-Won Oh

International Meeting for Applied Geoscience and Energy (IMAGE)

.... We first build an initial anisotropic velocity model using the Backus averaging. Then, we compare the accuracy of velocity models from...

Combined Diving Wave Refraction Tomography and Reflection Tomography for PSDM Velocity Model Building (Bekapai Field, Indonesia)

Andi Kusuma, Florent Bertini, Jacques Bonnafe, Artem Sazykin, Swee Leng Ng

Indonesian Petroleum Association

... with picked PSTM velocity field and (3) updating the PSDM initial velocity model using a grid-based reflection tomography algorithm. METHODOLOGY The key...

Best Practices for Sub

Search and Discovery.com

Application of land multiple numerical simulation identification and well-driven suppression technology in ultra-deep layers of S Basin

Zhang Shurui, Zang Dianguang, Li Guangpeng, Diao Yongbo, Du Jiajun, Liu Shumin

International Meeting for Applied Geoscience and Energy (IMAGE)

... by using the confocal focal point (CFP) gathers, so as to realize the prediction of internal multiples. This method is highly dependent on accurate multiple...

A Simple Guide to Depth Conversion: Part I

Ashley Francis

GEO ExPro Magazine

... Reservoir Sources of Velocity Measurements Seismic reflection data records the two-way travel time (TWT) to a reflection event from the surface. Depth...

Seismic Reservoir Characterization of the Bone Spring and Wolfcamp Formations in the Delaware Basin with Efforts at Quantitative Interpretation - A Case Study

Satinder Chopra, Ritesh Kumar Sharma, James Keay

Unconventional Resources Technology Conference (URTEC)

... velocity field using well-log data, the usual practice is to low-pass filter (<10 Hz) the available sonic well-log curves and use one or more...

Re-imaging of 2D legacy data in Brazils Equatorial Margin via pseudo-3D model building

David Butler, Daryineth Fernandez, Oscar Perez, Raul Ysaccis, Jason Thekkekara, Juan Perdomo, Christopher McMorland, Aurora Rodriguez Castelan

International Meeting for Applied Geoscience and Energy (IMAGE)

...al reprocessing and 2) pseudo-3D velocity model building (Mantovani et al., 2016). Pseudo-3D model building using 3D common-image-point (CIP) tomography (Woodwa...

Echo phone for direct attenuation indication

Lu Liu, Tong Fei, Fuhao Qin, Yi Luo

International Meeting for Applied Geoscience and Energy (IMAGE)

... attenuation using partial signals of common midpoint gathers. Chapman et al., (2005) analyze the influence of high attenuation medium to AVO signature...

Abstract: Rock Physics guided Earth model building and Sub-salt angle gather tomography for imaging and pore pressure; #90254 (2016)

Bhaskar Deo, Mohamed F. Doheim, Mahmoud Ahmed, Abdallah Ibrahim, Hany Hussein, Christoph Koeninger, Yousry Ibrahim, Hatem Ewida

Search and Discovery.com

.... In this study we constrain the subsalt tomography using geology in conjunction with thermal history modelling and rock physics principles. This is referred...