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The AAPG/Datapages Combined Publications Database

Showing 45 Results. Searched 187,797 documents.

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Ascending

Unveiling and Imaging Karst Through Refined Wavefield Separation

Riaz Alai, M Afiq B Mokhtar, Yonghe Guo, Pongga Wardaya, Jun Wang , Rizki Krishna Pratama, Haryono Haryanto

Indonesian Petroleum Association

... wave field has been separated into specular reflections and diffractions. Diffraction energy, in general is much lower in amplitude and separate...

2018

Abstract: Ground penetrating radar transect of the Gilbert-type, glaciomarine Pocologan delta, southwestern New Brunswick

M. T. West, K. E. Butler, S. Allard, T. Webb

Atlantic Geology

... and channel-fill deposition, as well as enigmatic zones of chaotic, discontinuous reflections and diffractions are also observed. The water table was evident...

2009

Enhancing Fault Interpretation Through Broadband Processing and Diffraction Imaging: The First and Successful Experience from Madura Offshore Area

Pongga Wardaya, Rino Saputra, Syaeful Amin

Indonesian Petroleum Association

... diffractions independently from the reflections, or with imaging algorithms that separate reflections and diffractions internally. A diffraction image can...

2018

III. Evidence of Faulting

Robert E. Sheriff

AAPG Special Volumes

... blocks and diffractions from the upper and lower termination points. Note the continuity of amplitude between reflections and diffractions. End_Page 51...

1981

Spectral Decompostion for a More Accurate Image; #41807 (2016)

Rongfeng Zhang

Search and Discovery.com

... of subsurface events, which include reflections, diffractions and refractions, as well as noise and other factors unrelated to subsurface geology...

2016

Abstract: A Case Study of the Seismic Reflection Method Applied to Subsurface Geological Mapping in the Kuala Lumpur Area

J. K. Raj, Preamakanthan

Geological Society of Malaysia (GSM)

... bedrock. It should'be noted however, that sev~ral factors including signal source, background noise, side reflections, diffractions and multiples...

1986

Field Development with Three-Dimensional Seismic Methods in the Gulf of Thailand — A Case History

C. G. Dahm, R. J. Graebner

Southeast Asia Petroleum Exploration Society (SEAPEX)

... from the interference of both reflections and diffractions coming in from out of the plane of the section. These “ signals” appear as noise...

1980

Synthetic Seismic-Reflection Profiles of Rift-Related Structures

Martha O. Withjack , D. J. Drickman Pollock

AAPG Bulletin

... program. It creates a synthetic seismic section composed of normal-incident primary reflections and diffractions. The amplitudes of the reflections...

1984

What are Interpreters for? The Impact of Faster and More Objective Interpretation Systems

Martyn Millwood Hargrave, Andrew Deighan, Jamie Haynes

Indonesian Petroleum Association

..., these include: direct fault plane reflections and diffractions, changes in reflector continuity, offsetting patterns in reflector shape either side of a fault...

2003

1.2 Seismic Stratigraphy: 1.2.5 Clastics: Regional Seismic Lines in the National Petroleum Reserve in Alaska

C. E. Kirschner, G. Gryc, and C. Molenaar

AAPG Special Volumes

...). It is also delineated from the Brooks Range province by the virtual absence of high velocity reflections and diffractions common in the Ellesmerian rocks...

1983

Seismic Modelling in 3D for Migration Testing

Search and Discovery.com

... ) medium. Consisting of 1681 source gathers, each having 1681 receivers, it is shown to be very high frequency and to contain both specular reflections...

2013

Using Multi-Focusing 3-D Diffraction Imaging to Predict Fracture Swarms in Unconventional Reservoirs

Marianne Rauch-Davies, Alex Berkovitch, Kostya Deev

Unconventional Resources Technology Conference (URTEC)

... are usually much weaker than those of specular reflections. Diffractions are essentially lost during the conventional processing/migration sequence...

2013

Cocorp Deep Seismic Reflection Traverse Across the Southern Oklahoma Aulacogen

J. A. Brewer, R. Good, J. E. Oliver, L. D. Brown, S. Kaufman

Oklahoma City Geological Society

... reflections and diffractions from this area, together with the moderate dip of the Mountain View and Meers Faults, strongly suggest...

1984

3.2 Basement Involved: 3.2.2 Basement Thrust and Reverse Faults: COCORP Deep Seismic Reflection Traverse Across the Southern Oklahoma Aulacogen

R. Good, L. Brown, J. Oliver, and S. Kaufman

AAPG Special Volumes

... of the Anadarko basin lie within the Frontal Fault System (Harlton 1963, 1972; Takken, 1967). Discontinuous reflections and diffractions from...

1983

High Resolution Diffraction Imaging of Small Scale Fractures in Shale and Carbonate Reservoirs

Alexander M. Popovici, Ioan Sturzu, Tijmen J. Moser

Unconventional Resources Technology Conference (URTEC)

... the wave energy from reflections and the other that contains the wave energy from diffractions. Each component is used to provide an image through...

2015

Unconventional Reservoir Characterization Using Azimuthal Seismic Diffraction Imaging

Dmitrii Merzlikin, Sergey Fomel, Xinming Wu, Mason Phillips

Unconventional Resources Technology Conference (URTEC)

... their orientation. Method A crucial step in diffraction imaging workflows is the separation of reflections and diffractions. Different separation methods can...

2017

An Integrated Approach to 3D Seismic Acquisition Feasibility Studies: Review of Present Techniques and Future Trends

Claude Bordenave, Frederic Merlet, Lotfi Ben Brahim, Nyoman Swatika

Indonesian Petroleum Association

..., an alternative to this method consists in using 3D ray-tracing. With such a tool, 3D dipping plane layers and diffractions can be generated from a 3D acquisition...

1998

Abstract: Using-MultiFocusing 3D Diffraction Imaging to Predict Fracture Corridors/swarms in the Bazhenov Formation; #90187 (2014)

Marianne Rauch-Davies, Alex Berkovitch, Danil Pelman, and Kostya Deev

Search and Discovery.com

... reflections. Diffractions are essentially lost during the conventional processing/migration sequence, or they are masked in conventional seismic stacked...

2014

Gulf of Mexico Continental-Slope Sediments and Sedimentation: 2. The Concepts

H. O. Woodbury , J. H. Spotts , W. H. Akers

AAPG Special Volumes

... bathyal faunas. The coarse fraction is dominated by the tests of foraminifers. Discontinuous, discordant reflections and diffractions are correlated...

1978

Deterministic and Statistical Wavelet Processing

Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... reflections as well as reflections and diffractions from discontinuities well away from the spatial location of the seismic trace under consideration...

1980

The Bass, Gippsland and Otway Basins, Southeast Australia: A Branched Rift System Formed by Continental Extension

M. A. Etheridge, J. C. Branson, P. G. Stuart-Smith

CSPG Special Publications

... manual migration of the reflections and diffractions in (a), and checked against the fully migrated section. The solid line adjacent to the dashed fault...

1987

I. Relation of Structural Section to Seismic Section

Robert E. Sheriff

AAPG Special Volumes

.... The point where reflections terminate is often not clear because the reflections blend into diffractions and reflections are seen from the downdip direction...

1981

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