Seeing through the shear zone for the first time: The impact of seismic technologies on the clarity of seismic image over Bahrah field

Ali Mohamed, Adel El-Emam, Nacim Brika, Halis Bayri, Amr Issa, Kashif Adeel

International Meeting for Applied Geoscience and Energy (IMAGE)

.... The finer near-offset sampling improved the quality of the predicted multiples and facilitated accurate updates of the velocity model in both the near...

Evolution of Pre-stack Multiple Suppression Based on Velocity Discrimination

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Enhancing Subsurface Imaging and Reservoir Characterization in the Marcellus Through Advanced Reprocessing of Wide Azimuth 3D Seismic, #11159 (2018).

Jinming Zhu, Chris Perll, Trevor Coulman,

Search and Discovery.com

... related multiples with small moveout • Automatic velocity picking algorithms and inexperienced interpreters could mistakenly pick the energy as primaries...

Abstract: Reducing the ambiguity in seismic data processing through the use of well data: a case study from offshore UAE; #90254 (2016)

Oleg Khakimov, Mark A. Benson, Frantisek Janik, Grzegorz Kwasny, Roger J. May

Search and Discovery.com

... an individual company choice, and demultiple, where the primaries and multiples are so difficult to identify and separate that often interpreters ultimately...

High-resolution seismic imaging of shallow karstified carbonate overburden offshore Indonesia

Xiaobo Li, Yonghe Guo, Yi Xie, Barry Hung, Ilham Panggeleng, M. R. Husni Sahidu, Sarah Putri

International Meeting for Applied Geoscience and Energy (IMAGE)

... carbonate overburden, TLFWI was applied to derive a detailed velocity model, and then both primaries and multiples were used to optimize the shallow images...

Delineation of the Reservoir by Seismic Methods: Chapter 3

Roberto Sarmiento

AAPG Special Volumes

... be interpreted. For instance, multiples have the same type of normal move-out relationships as do primaries. Multiples have not traveled as deep as primaries...

ABSTRACT: A Strike 3D Seismic Survey at the Zafar and Mashal Prospective Structures, South Caspian Basin, Azerbaijan: Acquisition, Processing and Interpretation; #90007 (2002)

Christine Krohn, Tom Steinhilber, Judy Amery-Ryland, Jan Mikkelsen, Emin Jafarov, Elena Effendiyeva

Search and Discovery.com

... that with strike orientation, multiples appear more hyperbolic and have a better velocity discrimination compared to the primary reflectors. Removal...

ABSTRACT: Seismic Modeling with One-Way Wave Equation, by Jiao, Jianwu; Saleh, Saleh M.; Verschuur, Eric; #90141 (2012)

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Multiple Suppression by the CRS Technique

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Land surface-related multiple attenuation based on wave-equation deconvolution

Gordon Poole, Brandon Li, Mattia Miorali, Keith Mills, John Tickle

International Meeting for Applied Geoscience and Energy (IMAGE)

... generators using the multiple periodicity. The image is then used to model multiples which are subsequently subtracted from the input data. The approach...

Assessing FWI imagings potential to tackle illumination issues and internal multiples in the Brazilian presalt

Cyril Dolymnyj, Filipe Rudrigues, Amanda Porto, Leandro Galves, Asdrubal Ovalles

International Meeting for Applied Geoscience and Energy (IMAGE)

..., a full account of the relative amplitude of internal multiples and primaries is not possible. Figure 2: Top: RTM and velocity model before update...

Seismic Processing Strategies in the Deep Water Kutai Basin … Gendalo Hub Pre-Stack Depth Migration

Xiuyuan Li, Harmit Singh, Joe Zhou, Graham Hodgkiss, Neil Young, Helmut Hsiao

Indonesian Petroleum Association

... events, both primaries and weaker multiples. Due to the rugosity of the seabottom topography, particularly in the slope area, the use of 3D SRME...

Value of elastic full-wavefield inversion in derisking clastic reservoirs in presence of noise

Partha Routh, Soumya Nayak, Jake Dorsett, Kaushik Banerji, Young Ho Cha, Vijay Gottumukkula, Gopal Palacharla, Vikas Gudipati, Ramesh (Neelsh) Neelamani, Seth Conway, Andrea Raphael

International Meeting for Applied Geoscience and Energy (IMAGE)

... data, we demonstrate how eFWI enables more accurate reservoir fluid prediction by explaining both primaries and noises (converted modes and multiples...

Combining high resolution modelling and one-way wave field extrapolation migration to image beneath a complex overburden: A case study from Porcupine Basin, Ireland

Partha Pratim Mandal, Weidi Koh, Julien Bluteau, David Laws, Jennifer Greenhalgh

Petroleum Exploration Society of Australia (PESA)

... layers produces a velocity inversion which makes the discrimination and removal of multiple arrivals difficult. Lateral variations of impedance contrast...

Reflection waveform inversion assisted by full-wavefield imaging

Mikhail Davydenko, Eric Verschuur

International Meeting for Applied Geoscience and Energy (IMAGE)

..., LSRTM maps interbed multiples as crosstalk in the estimated image. Such artifacts can potentially bring spurious velocity updates when performing de...

Try Before You Buy!

Lars Zühlsdorff, Trond Haugland

GEO ExPro Magazine

... containing primaries, multiples, converted waves, or different types of noise. However, when generating these for fieldsize surveys or higher frequency...

Understanding Multiples to Upgrade Low-Relief Prospects

Sunu H. Praptono, Witan O. Ardjakusumah

Indonesian Petroleum Association

...Understanding Multiples to Upgrade Low-Relief Prospects Sunu H. Praptono, Witan O. Ardjakusumah 1996 367 375 In an area with thick horizontal shale...

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

J. Ostby, C. Johnston

Petroleum Exploration Society of Australia (PESA)

..., but has its own limitations including: very good pre-Radon velocity analyses are required to distinguish multiples from primaries when their velocity...

Seismic Multiples can be Responsible for Completely Masking Underlying Data: A Case Study Shows a Remarkable Example of Hidden Information Revealed, by John DeWildt, Derek Skoyles, Halle Rhea, and Nigel Payne; #90052 (2006)

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Abstract: Exploration De-Risking Using Dense Seismic Acquisition and G&G Integration: a Case Study of Lower Cretaceous, Abu Dhabi UAE; #91204 (2023)

Bertrand Six, Ishinaga Kiyotaka, Yuki Tateo, Cristina Bosquet, Ibrahim Zoukaneri, Ahmed Barakat, Mohamed Mahgoub, Miiad Al Hammadi, William Mills

Search and Discovery.com

.... In addition, poor dip discrimination between recorded primary and multiples energy due to gently dipping bathymetry and low relief-almost horizontal...

2.2 Basement Involved: 2.2.2 Rifts: A Half-Graben and Tilted Fault Block Structure in the Northern North Sea

A. C. Evans and D. N. Parkinson

AAPG Special Volumes

... attenuation by over-correction of primaries and dip filtering to remove under-corrected multiples Deconvolution: Whitening and predictive CDP stack: 48-fold...

Application of accurate sedimentology interpretation method based on cost function in reservoir characterization

Huihuang Tan, Xinyi Duan, Xiaojie Zhang, Wei Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

... velocity of multiples are great different from that of primaries, so it is quite effective to use the conventional filtering method in suppress multiples...

A 20-Year Retrospective on the Future of Seismic Technology

Andrew Long

Petroleum Exploration Society of Australia (PESA)

... rces I 65 seismic technology Imaging of primaries Imaging of multiples resolution, often ambiguous (e.g. volcan ics can resemble hyd rocarbons...

Chapter 10-part 3: 3-D Depth Image Interpretation

William L. Abriel, Joseph P. Stefani, Robert D. Shank, David C. Bartel

AAPG Special Volumes

... waves, refractions, mode conversions, multipaths and multiples. These are most common in areas of complex structure and high velocity contrasts...

Limitations on Resolution of Seismic Reflections and Geologic Detail Derivable from Them: Section 1. Fundamentals of Stratigraphic Interpretation of Seismic Data

Robert E. Sheriff

AAPG Special Volumes

... interface or sequence of interfaces. Comparison between actual field records and synthetic seismograms made for primaries-only and primaries-plus...