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The AAPG/Datapages Combined Publications Database

Showing 33,058 Results. Searched 195,372 documents.

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II. Migration to Remedy Geometric Distortions

Robert E. Sheriff

AAPG Special Volumes

... repositioning data elements and changing from a system referenced to the observing points to a system referenced to the reflector locations. The input...

1981

Seismic Migration: Part 7. Geophysical Methods

Ken Larner, David Hale

AAPG Special Volumes

... and downward to their reflecting locations. All current computer-based approaches to migration involve this backward solution to the wave equation...

1992

A Synthesis of Marine Geological/Geophysical Data for Ocean Margin Drilling on Continental Margin of Morocco: ABSTRACT

Philip D. Rabinowitz, Dennis E. Hayes, Karl Hinz

AAPG Bulletin

... plotted normal to the ship's tracks, seismic velocity crustal structure, reflection time to basement, blue reflector (upper Jurassic) and red reflector...

1983

Abstract: Imaging Oblique Reflectors with Prestack Migration; #90174 (2014)

John C. Bancroft, Thais Guirigay, and Helen Isaac

Search and Discovery.com

... of the oblique reflector. An example in Figure 1 shows two 2D poststack migrations of the same zero-offset data with migration velocities (a) at VRMS and (b...

2014

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

... relations rather than underneath the locations at which the data are observed. Wave-equation migration clarifies stratigraphic evidences End_Page 3...

1977

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

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

AAPG Special Volumes

... different locations on the reflector, so that a pre-stack process will be required to correct for this. Figure 10-30. Common midpoint ray trajectories...

2011

Star: Shallow Time Anomaly Replacement

Michael O. Marcoux, Lee Lu

Southeast Asia Petroleum Exploration Society (SEAPEX)

... depth in the section then its effect on reflections will vary with reflector depth. The dynamic characteristics of such a “buried static” feature...

1982

3-D Seismic Recognition of the Jurassic Smackover Reservoir of Grayson Field Using Leading-Edge Reservoir Characterization Seismic Processing

Kevin B. Hill

GCAGS Transactions

... will be presented that 1) relative amplitude of the Smackover reflector does not define the reservoir's stratigraphic parameters, 2) attributes of the acoustic...

2001

Stratigraphic Evolution of Blake Outer Ridge

R. G. Markl , G. M. Bryan

AAPG Bulletin

... of the Blake Outer Ridge, and Site 391 in the Blake-Bahama Basin; the locations of subsequent Sites 533 and 534 (Scientific Party, Leg 76, 1981) were based...

1983

Anisotropy

Search and Discovery.com

N/A

The Wave Equation Applied to Migration

D. Loewenthal, L. Lu, R. Roberson, J. Sherwood

Southeast Asia Petroleum Exploration Society (SEAPEX)

... will not discuss the effect of the migration on multiple reflections or on reflections from locations outside the plane of the section. Finally, an inherent...

1978

Seismic Detection of Source Rocks

Ian Davison, Karyna Rodriguez, David Eastwell

GEO ExPro Magazine

... in sedimentary rocks. However, all shales exhibit an AVO effect, so the source rock reflector has to be compared with ‘background’ shale reflectors...

2018

Gas-Hydrate Horizons Detected in Seismic-Profiler Data from the Western North Atlantic

Brian E. Tucholke , George M. Bryan , John I. Ewing

AAPG Bulletin

... have been reported in two locations off the United States east coast--one along the crest of the Blake Outer Ridge, and another beneath the upper...

1977

Structural and Stratigraphic Interpretation of the Muddy Formation Using the Manderson Field 3D Seismic Survey, Big Horn County, Wyoming

J. Chris Besler, Mark T. Kramer

Wyoming Geological Association

... in the Muddy reflector correspond to thick Muddy sands. Modeling of the seismic data indicates that the strong amplitude/thick Muddy sand relationship...

2001

Seismic Reflections from a Lau Basin Magma Chamber

Janet L. Morton, Norman H. Sleep

Circum Pacific Council Publications

... interval velocity for the material between the seafloor and reflector A. We used this velocity, 4.8 km/s, for the migration. Our velocity analysis assumes...

1985

Abstract: TTI Anisotropic Depth Migration: Which Tilt Estimate Should We Use?; #90211 (2015)

Francois Audebert and Volker Dirks

Search and Discovery.com

... is Our Industry Heading? Calgary, AB, Canada, May 15-18, 2006 The Simple Dipping Facet Case To study the effect of different migration models...

2015

A Practical Review of Migration Issues and Solutions; #40723 (2011)

Ian F. Jones

Search and Discovery.com

... the shot down to the reflector, or coming back up from the reflector to the receiver (Figure 3). Most migration algorithms that have been in commercial...

2011

I. Relation of Structural Section to Seismic Section

Robert E. Sheriff

AAPG Special Volumes

... rather than at the reflector location on an unmigrated section. But the crest of the diffraction locates the fault correctly. The migration process...

1981

Quaternary Development of Channels, Levees, and Lobes on Middle Laurentian Fan

William R. Normark , David J. W. Piper , Dorrik A. V. Stow

AAPG Bulletin

... of sediment above the youngest correlatable reflector (S, Fig. 5A) shows that the levee crest migrated north as depositio continued. This migration, in turn...

1983

UNDERSTANDING THE FRESNEL ZONE

Search and Discovery.com

N/A

Abstract: 2D Depth Velocity Analysis without Tomography; #90187 (2014)

J. Patrick Butler and Randy Kolesar

Search and Discovery.com

... of incidence equals angle of reflection on the reflector is an NMO, as opposed to, a migration technique. If we could pick all the dips on the section...

2014

Abstract: Which Curvature is Right for You? Part - 2; #90174 (2014)

Satinder Chopra and Kurt J. Marfurt

Search and Discovery.com

..., and reflector rotation about a fault. The progradations may look smooth and relatively coherent, except at locations where they intersect a AAPG Datapages...

2014

Reservoir Compartmentalization of the Morrow Sandstone at Sorrento Field, Southeastern Colorado

Sandra McDonald Mark

Rocky Mountain Association of Geologists

... in compartmentalization. Consistent picking of these discontinuous reflectors for the entire 3-D compressional seismic survey results in stratigraphic reflector maps...

1998

Abstract: Variable Depth Streamer Acquisition: Enhancing Interpretation with Broadband Marine Seismic; #90174 (2014)

R. Soubaras, R. Dowle, and R. Sablon

Search and Discovery.com

... is described, based on computing both a migration and a mirror migration and performing a joint deconvolution of the two, either post-stack where...

2014

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