Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... image. The methodology inherently allows the attenuation of multiple energy, and coherent as well as non coherent noise. This powerful filtering...

Sub-L1 norm regularized inversion deblending in local 3D FK domain for ocean-bottom node data

Jun Sun, Zhaojun Liu, Manhong Guo, Graeme Stock, Bin Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., then the system is underdetermined and has multiple solutions. To reach a unique solution, the constraint of sparsity in a transformed domain is added...

Seismic Velocity Model Building in an Area of Complex Geology, Southern Alberta, Canada

Helen Isaac and Don Lawton

Search and Discovery.com

... to the Devonian. 10 Time domain seismic data processing • Refraction statics • Spike and noise burst edits • Air blast attenuation • Surface wave noise...

Characteristics of Microzonation Modelling in Reservoir Evaluation

Search and Discovery.com

Delivering a Step-Change in Imaging from Indonesias First Ocean Bottom Node 3D Seismic Survey at Tangguh

Christopher Birt, Hery Prastowo, Danang Priyambodo, Simon Wolfarth, Johnathan Stone

Indonesian Petroleum Association

... model building, noise attenuation, receiver de-ghosting, water-bottom de-multiple, Reverse Time Migration (RTM) and simple poststack processing...

Abstract: New Petroleum Generation Model of the Middle Magdalena Basin, Colombia: Is The Luna Formation the Most Prolific Source Rock; #90063 (2007)

Search and Discovery.com

Automated velocity model building using Fourier neural operators

Guanghui Huang, Sean Crawley, Ramzi Djebbi, Jaime Ramos-Martinez, Nizar Chemingui

International Meeting for Applied Geoscience and Energy (IMAGE)

... bandwidth of the synthetic data used in the training. No multiple attenuation is performed in the data. We show sample shot gathers in Figure 4. Individual...

ABSTRACT: Future of Seismic in Oman, Advantages of WAZ Compared to NAZ, by Klaassen, Rini; Smith, Richard; Benjamin, Nigel; Cramp, Richard; Wah-Hong, Teo; #90141 (2012)

Search and Discovery.com

Stacking common-image gathers via the flatten-illumination-similarity method

Chengliang Wu, Huazhong Wang, Bo Feng, Chao Ning, Xianggong Tang

International Meeting for Applied Geoscience and Energy (IMAGE)

... influences (such as Q attenuation, uneven illumination, and observation system) in the Hessian operator. It offers better continuity, resolution...

An anti-aliasing plane wave decomposition method based on local linear Radon transform

Jian Xiang, Huazhong Wang, Bo Feng, Chengliang Wu

International Meeting for Applied Geoscience and Energy (IMAGE)

... processing, such as multiple attenuation (Amundsen, 2020; Seher et al., 2022), plane wave migration (Tieman,1997). LRT is a commonly used method...

Abstract: Removing Blended Sources Interference Using Stolt Operator; #90224 (2015)

Amr Ibrahim

Search and Discovery.com

...., 2003, Interpolation and multiple attenuation with migration operators: Geophysics, 68, 2043–2054. Trad, D., T. Ulrych, and M. Sacchi, 2003, Latest...

Abstract: Case Study- High Resolution Velocity Model Building to Improve Carbonate Reefs Image in Tz Area; #91204 (2023)

Hongjun Zhang, Yang Chen, Zhengzheng Zhou, Xiang Li, Hotma Yusuf, Haryono Haryanto, Farid Dasa Marianto

Search and Discovery.com

... inversion in acquired shallow water seismic data. Accurate first break pick give positive input of inversion, small and hybrid grid tomographic with multiple...

Implementation of Seismic Data Quality Characterisation Using Supervised Deep Learning

Joshua Thorp, Krista Davies, Julien Bluteau, Peter Hoiles

Australian Petroleum Production & Exploration Association (APPEA) Journal

... the analysis. Traditionally, the quality of seismic data has been characterised through the domain expertise of geoscientists and through traditional analytical...

Physics-based preconditioned multidimensional deconvolution in the time domain

David Vargas, Ivan Vasconcelos, Matteo Ravasi, Nick Luiken

International Meeting for Applied Geoscience and Energy (IMAGE)

... in the frequency domain where multiple inverse problems are solved independently. Inverting each frequency one by one is challenging since little...

Seismic Imaging Technology: Part II: Lessons from Wide Azimuth Subsalt Imaging in Deepwater Gulf of Mexico

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

..., and importantly, improved multiple attenuation, particularly with regard to multiple diffractions. Although new multiple suppression techniques...

Tectonic evolution of the Kwanza basin, offshore Angola

Search and Discovery.com

Fracture Geometry Measurements by Analyzing Multiwell Communications

Sofya Sizova, Roman Korkin

Unconventional Resources Technology Conference (URTEC)

... with a viscous fluid and surrounded by a poroelastic formation. Attenuation depends highly on the width of the channel, formation parameters...

Resolving Multiphase Fractions in Horizontal Wells Using Speed of Sound Measured with Distributed Acoustic Sensors and a PVT Database

Peyman Moradi, Brian Seabrook, Neal Adair, Ricardo Garza

Unconventional Resources Technology Conference (URTEC)

... volume fraction tracking approach tailored for horizontal oil wells with multiple inflow points. This approach aims at producing multiphase production...

Leveraging legacy data: An onshore reprocessing case study from eastern Australia

Bahaa Soliman, Catalina L. Ocampo, Oscar Garcia, Andy Walz, Anthony Goodall, Emily Guidry

International Meeting for Applied Geoscience and Energy (IMAGE)

... to geometry, random offsets and skips. The residual airwave and random noise attenuation was based on multiple pases in different domains of anomalous...

Breaking Up is Never Easy: The Complexities That Create Opportunities in the Distal Domain

Helen Doran, Gianreto Manatschal

GEO ExPro Magazine

...Breaking Up is Never Easy: The Complexities That Create Opportunities in the Distal Domain Helen Doran, Gianreto Manatschal Exploration Breaking Up...

A New Approach Towards Optimized Passive Seismic Survey Design with Simultaneous Borehole and Surface Measurements; #41143 (2013)

Debotyam Maity and Fred Aminzadeh

Search and Discovery.com

... With the increasing potential for use of multiple microseismic arrays in hydraulic fracturing and waste water injection programs for shale reservoirs...

Abstract: The Aklavik Range as an Analogue for Basin-Margin Structures, Mackenzie Delta Region; #90213 (2015)

Larry S. Lane

Search and Discovery.com

... in the Aklavik Range. A western low-strain domain, located between the Donna River Fault zone (DRFZ) and the Cache Creek uplift, preserves open doubly-plunging...

3D pre-trained transformers for seismic fault detection, image denoising and dense horizon interpretation

Enning Wang, Peter Lovely, Lachlan Wright, Sarah Vitel, Anusha Sekar, Maisha Amaru

International Meeting for Applied Geoscience and Energy (IMAGE)

... image databases such as ImageNet, there are few geologically diverse, public 3D field seismic databases of similar scale in post-stack domain for model...

Relation Between Extensional Geometry of the Northern Grant Range and Oil Occurrences in Railroad Valley, East-Central Nevada

Karen Lund , L. Sue Beard , W. J. Perry, Jr.

AAPG Bulletin

... and lower structural levels are separated into multiple structural plates by a prominent series of stacked low-angle attenuation faults...

Deterministic and Statistical Wavelet Processing

Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... attenuation and dispersion, especially at higher frequencies, on passing through the earth. This means that the character of the wavelet changes...