AVO Analysis of a Pennsylvanian Age Channel Sandstone in the Arkoma Basin, Oklahoma

Eric Kubera

Oklahoma City Geological Society

..., and shows significant amplitude variation. The Amplitude Variation with Offset (AVO) signature of the channel sand is determined to be a positive...

Seismic Foldout: Quad 35 Hybrid MC3Ds: Innovative multi-parameter FWI for near field exploration

Tor Akermoen, Jeroen Hoogeveen, GEOEX MCG, Kristen Berli, Seismic Partner, Tom Rayment, Percy Mellar

GEO ExPro Magazine

... distribution is not yet fully understood due to the variation in age and deposition of the reservoirs. For example, the Gjøa field was discovered by the 35/9-1...

High Frequency Borehole Seismic Acquisition and Its Applications for Reservoir Delineation of the Bunyu Field, Onshore Kalimantan, Indonesia

Adriansyah, Patricius Sembiring, Mohammed Badri, Azhar Akhtar

Indonesian Petroleum Association

... the reservoir static model that integrates the geological and geophysical data. Seismic attributes such as amplitude, frequency, and phase can reveal...

Impact of an Integrated Seismic Data Processing Approach: A Case Study in Central Sumatra

Mars E. Semaan, Eddy Murhantoro, Maryanto, Achmad Bermawi, Budi Subianto, Hari Santoso

Indonesian Petroleum Association

... were pre-stack migrated. These gathers were then analyzed for Amplitude Variation with Offset (AVO) to understand the lithology, both spatially...

Pitfalls in Marine Heat Flow Probe Data Acquisition and Interpretations: Examples from the Gulf of Mexico

Seiichi Nagihara

GCAGS Transactions

...) A marine heat flow probe measures the geothermal gradient and thermal conductivity of the uppermost 3- to 5-m section of the seafloor sediment...

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)

.... But for the near offset, the multiples are generally retained in order to protect the effective signal, which seriously affecting the subsequent...

Abstract: Intrinsic and Apparent Seismic Attenuation in VSP Data; #90211 (2015)

Arnim Haase and Robert Stewart

Search and Discovery.com

.... For non-zero offset cases, these synthetic VSP’s show multiples and multimodes on reflection and transmission. At small source offsets, trace maxima...

Revisiting the Brazilian Equatorial Margin with FWI and its impact on interpretation in an exploratory frontier

Diego Costa, Edmarley Ramos, Giuseppe Loconte, Filipe Rudrigues, Olivier Brachet

International Meeting for Applied Geoscience and Energy (IMAGE)

... heterogeneities, and channel-fan systems). Moreover, short-period multiples, as well as limited offset reflections, decrease the reliability...

Abstract: MWD for Shallow Water Demultiple: A Hibernia Case Study; #90174 (2014)

Hongzheng Jin, Min Yang, Ping Wang, Yan Huang, Mervyn J. Parry, and Yvonne Paisant-Allen

Search and Discovery.com

...-bottom primary reflections based on a user-supplied water-layer model, then convolving it with the recorded data to predict water-layer-related multiples...

Abstract: Point Receiver Acquisition and Processing for Arctic Near Surface Challenges; #90171 (2013)

C. Strobbia, A.Glushchenko, A. Laake, P.L.Vermeer, S. Papworth, and Y. Ji

Search and Discovery.com

... large magnitude statics. The ice cover on frozen lakes may generate flexural waves, with large amplitude and very short wavelength. To evaluate...

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

J. Ostby, C. Johnston

Petroleum Exploration Society of Australia (PESA)

..., whereas the combined F-k and Radon demultiple is very clean, and high amplitude multiples are more effectively removed, compared to either the Radon...

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

.... Seismic events other than reflections and multiples are seldom included. Source-to-geophone offset distance is sometimes allowed for, and a multitrace...

Impedance Inversion Transforms Aid Interpretation, by Satinder Chopra and Ritesh Kumar Sharma; #41622 (2015).

Search and Discovery.com

Seismic Signature as a Porosity Indicator in Early Miocene Reefs in the Madura Strait Via AVO Inversion and Modelling

Bimal R. Banerjee

Indonesian Petroleum Association

... to variation of acoustic parameters on either side of the interface. 3. For high porosity rocks the reflection amplitude is normally low at Normal...

An optimal aperture crosscorrelation imaging condition for Marchenko imaging

Xiaochun Chen, Yezheng Hu, Yukai Wo, Weiping Cao, Xuri Huang

International Meeting for Applied Geoscience and Energy (IMAGE)

... of spurious artifacts related to internal multiples. The foundation of Marchenko imaging is applying a specific imaging condition to the retrieved Green...

Paleocene exploration along the UK Atantic Margin

Search and Discovery.com

Abstracts: Oilsands: Not Your Average Seismic Data; #90173 (2015)

David Gray

Search and Discovery.com

... for the radon transform to model the huge amplitude variation with offset expected for converted waves. This effect is worse than leaving the converted wave...

Stability of Continental Shelf and Slope off Louisiana and Texas: Geotechnical Aspects: 4. Character of the Sediments

David J. Watkins , Leland M. Kraft Jr.

AAPG Special Volumes

... forces applied to the seafloor are a major factor affecting the stability of soft soils on the continental shelf. The amplitude and wavelength...

Integration of AVAz/VVAz and Coherence/Curvature Seismic Attributes; #42355 (2019)

Satinder Chopra, Ritesh Kumar Sharma, Kurt J. Marfurt

Search and Discovery.com

... and (in this case, anisotropic) velocity, such fractures also give rise to amplitude variation with offset (AVAz). Such variations can be expressed in the form...

Investigation of Possible Shallow Gas Accumulations Associated with Pockmarks on the Otago Slope Southeast of New Zealand

Jasper Hoffmann, Andrew Gorman, Gareth Crutchley

Petroleum Exploration Society of Australia (PESA)

... and bathymetry data collection is underway. High-density velocity analysis and amplitude variations with offset (AVO) will be assessed around the bright...

What is Horizontal Resolution?

L. R. Denham, R. E. Sheriff

Indonesian Petroleum Association

... significant conversion of compressional energy into transverse waves, and a variation in the reflectivity. This changes the amplitude of the reflection from...

Abstract: Carbonate Reservoir Characterization Using Seismic Velocity and Amplitude Variation with Offset Analysis: Hardeman Basin, Texas, Test Case, by J. D. Pigott, R. K. Shrestha, and R. A. Warwick; #91004 (1991)

Search and Discovery.com

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...

Advances in seismic acquisition and processing technologies steered the success of exploration and development in Kuwait

Adel El-Emam

International Meeting for Applied Geoscience and Energy (IMAGE)

... which provides data with regular offset/azimuth sampling, in addition to advanced multiples attenuation, time and depth imaging. The near surface geology...

Abstract: Offset Dependent Attribute Scanning: A Seismic Interpretation Tool and Data Evaluation Technique

Howard Renick, Jr., Steven L. Roche

West Texas Geological Society

...). Very little or no variation in the amplitude with offset is observed across this production. Finally, offset dependent variations in amplitude (Fig...