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The AAPG/Datapages Combined Publications Database

Showing 3,664 Results. Searched 195,364 documents.

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Multispectral Volumetric Curvature Adding Value to3D Seismic Data Interpretation, #41540 (2015).

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

..., where u is an inline or crossline component of reflector dip, and where α is a fractional real number that typically ranges between 1 (giving...

2015

Seismic Attributes for Fault/Fracture Characterization, #41539 (2015).

Satinder Chopra, Kurt J. Marfurt

Search and Discovery.com

... along the dip and azimuth of seismic reflector. The coherence images clearly reveal buried deltas, river channels, reefs, and dewatering features...

2015

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

J. Patrick Butler and Randy Kolesar

Search and Discovery.com

... for the reflector and is not time variant NMO, so the data will dip above and below the reflection time (Figure 3). However, it is easy to see this; and some...

2014

Subsurface temperature from seismic reflections: Application to the post-breakup sequence offshore Namibia

Arka Dyuti Sarkar and Mads Huuse

AAPG Bulletin

... hydrate bottom-simulating reflector is used to derive a shallow heat flow proxy (averaging 64 mW m−2). Deriving subsurface thermal conductivity from...

2023

The Wedge Model Revisited; #41545 (2015)

Joanna K. Cooper, Don C. Lawton

Search and Discovery.com

...-difference exploding reflector models using a numerical version of the same wedge velocity models were also produced. Migration of the physical model...

2015

Dome Structure, Atlantic Outer Continental Shelf East of Delaware: Preliminary Geophysical Report

Robert E. Sheridan

AAPG Bulletin

... that the early Miocene reflector surface has a significant reversal in dip near the shelf edge, so that it dips west at about 3 m/km (Fig. 3a), then dips east...

1975

The Limitations of Seismic Modelling of Geological Structures

B. L. N. Kennett

Petroleum Exploration Society of Australia (PESA)

... reflector' model, which is often augmented by including diffraction points with a spray of rays. Such modelling depends on the assump• tion of pointwise...

1985

Seismic-Profiler Survey of Blake Plateau

John Ewing , Maurice Ewing , Robert Leyden

AAPG Bulletin

... is remarkably smooth except near western edge. Sub-bottom reflectors all show stratification. Westward dip of 3 and 4 and roughness in reflector 4 shown...

1966

The Application of 2D Common-Offset Common-Reflection-Surface (CO CRS) Stack Method Towards Synthetic Data

Parapaty Halley, Rachmat Sule, Teuku Abdullah Sanny

Indonesian Petroleum Association

... the subsurface to be set up by reflector segments with arbitrary location, orientation, and curvature. This method does not require an explicit knowledge...

2009

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

Ian F. Jones

Search and Discovery.com

..., but are in general more dip-limited (as they use a truncated series expansion for the square root terms in the migration operator). Kirchhoff and beam techniques...

2011

Late Cretaceous-Cenozoic Development of Outer Continental Margin, Southwestern Nova Scotia

Stephen A. Swift

AAPG Bulletin

... North Atlantic seismic reflector and unconformity eroded by abyssal currents in the Oligocene (Tucholke and Mountain, 1979). The section above horizon...

1987

Structure and Stratigraphy of the Blake Escarpment Based on Seismic Reflection Profiles: Rifted Margins

R. E. Sheridan , C. C. Windisch , J. I. Ewing , P. L. Stoffa

AAPG Special Volumes

... section the deep reflector would continue to dip westward to a depth of approximately 3.4 km under the Blake Plateau from the shallower depth of 2.8 km...

1979

Understanding the causes of low frequency shadow below gas hydrates

Ayman Noor M. Qadrouh, Saad Alajmi

Petroleum Exploration Society of Australia (PESA)

... events of the ocean bottom and lower interface, respectively, while the red curves in Figure 3b represent the exact traveltimes of the events reflected...

2019

Abstract: Kirchhoff Prestack Time Migration with Angle Domain Common Image Gathers; #90174 (2014)

Jianhua Pan, Robert Tilson, Gerry Schlosser, and Elvis Floreani

Search and Discovery.com

... method angle gathers are extracted at each image point by gradients of travel time from the source and the receiver to the reflector. In the second...

2014

Lithologic Prediction from Seismic Attributes in the Balcon Field, Colombia

J. E. Calderon

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... events overprinted by the Tertiary Andean deformation style, which is dominantly compressional and dip slip (Dengo & Convey, 1993). J. E. CALDERON Figure...

2004

Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)

Sunjay Sunjay,

Search and Discovery.com

... and is independent of the reflector dip. For an inhomogeneous overburden RNIP represents the distance between the image point and the reflector...

2011

Shallow Velocity Model Building Considerations for Prestack Depth Migration in Unconventionals

Mike Perz, Josef Heim, Candace Bruins

Unconventional Resources Technology Conference (URTEC)

... diving ray tomography to the ideal velocity distribution, Although the diving ray estimate is reasonably accurate in terms of its longwavelength structure...

2019

DMO and NMO as Applied in Seismic Data Processing

Jiunnyih Chen

Geological Society of Malaysia (GSM)

... (dip-moveout) is recognized as the technique to image the steep dip events which are indiscriminately smeared when the data are processed...

1989

Identification of Third (10(6) yr) and Fourth (10(5)/10(4) yr) Order Stratigraphic Cycles in the Louisiana Offshore

Allen Lowrie , Patricia J. Meeks , Karen Hoffman

GCAGS Transactions

... with the descriptive terms of high stand deposits (HS) and low stand wedges (LSW) as defined in Haq et al. (1987). Third order cycles, and their component glacial...

1996

Intra-Muda Shallow Gas in Cumi-Cumi PSC, Natuna Sea - a Driller's Nightmare Becomes a Geophysicist's Dream

Martin Bennett

Indonesian Petroleum Association

... amplitude maps were produced: the peak value of the top reservoir reflector, and the root-mean-squared (RMS) amplitude for the interval top to base...

2000

Seismic and Thermal Characterization of a Bottom-simulating Reflection in the Northern Gulf of Mexico

Deborah R. Hutchinson, Patrick E. Hart, Carolyn D. Ruppel, Fred Snyder, Brandon Dugan

AAPG Special Volumes

... reflector (BSR). The BSR, which covers a small area of about 15 km2 (6 mi2), is identified by crosscutting relationships with seismic stratigraphy. Two...

2009

ABSTRACT: THE SEISMIC CHARACTERISATION OF GAS HYDRATES; #90018 (2003)

Robert Galvin

Search and Discovery.com

... in energy terms as a fossil fuel. It is estimated that methane hydrates contain approximately twice as much carbon as all fossil fuels, which illustrates...

2003

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