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The AAPG/Datapages Combined Publications Database

Showing 463 Results. Searched 188,956 documents.

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Beam Migration for Imaging of Complex Structures

Karl Schleicher, John Sherwood, Lynn Comeaux, Mazin Farouki

Indonesian Petroleum Association

... method. Alternatively, a poor focus value can be used to recognize a multiple reflection wavelet, or a converted wave event, with its NMO offset dip (dt...

2009

Azimuthal Velocity Analysis of 3-D Pre-Stack Seismic Data for Fracture-Induced Anisotropy in the Altamont-Bluebell Field

Khaled Al Dulaijan, Gary Margrave

Unconventional Resources Technology Conference (URTEC)

...) derived an elliptical NMO equation for TI media where source-receiver offsets do not exceed the depth of the reflector which is ଶ ܶ ଶ = ܶ଴ + ௫మ మ ௏...

2016

Non-First-Break Solution for Shallow Velocity Anomaly Problem; #41602 (2015)

Emil Blias

Search and Discovery.com

... velocities and imaging. This technology includes four main steps: (i) High-density automatic non-hyperbolic NMO picking, (ii) Analytical NMO inversion...

2015

N/A

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

Martin Bennett

Indonesian Petroleum Association

... the brightening of the top sand reflector over the crest of the structure, the flat spot at the GWC, and internal structure of the sand bodies including...

2000

Abstract: Investigation of Seismic Imaging Capabilities for Small, Shallow Carbonate-Hosted Massive Sulphide Deposits; #90187 (2014)

Laura Quigley and Bernd Milkereit

Search and Discovery.com

... in this data. Processing sequences are tailored so stretch mutes applied after NMO corrections do not remove the far offset signal. Methods Synthetic...

2014

Seismic Migration: Part 7. Geophysical Methods

Ken Larner, David Hale

AAPG Special Volumes

... section for a subsurface consisting of a single dipping reflector. For a constant-velocity subsurface, the many weak diffractions from very closely...

1992

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

Francois Audebert and Volker Dirks

Search and Discovery.com

... medium, seismic propagation can be fully described with the same parameters as for polar anisotropy with the addition of a reflector dip field...

2015

Abstract: Local Stretch Zeroing NMO Correction; #90174 (2014)

N. Kazemi and H. R. Siahkoohi

Search and Discovery.com

...Abstract: Local Stretch Zeroing NMO Correction; #90174 (2014) N. Kazemi and H. R. Siahkoohi AAPG Datapages/Search and Discovery Article #90174 CSPG...

2014

Abstract: Seismic Data Gather Conditioning for Prestack Seismic Data Inversion; #90319 (2018)

Gang Yu, Yusheng Zhang, Ximing Wang, Xing Liang, Benjing Liu, Scott Singleton, Maggie Smith

Search and Discovery.com

... wave-transmission effects that are commonly removed or reduced in pre-inversion gather conditioning are random noise, NMO wavelet stretch, and non-flat...

2018

Combination of Seismic Velocity Gradient and Sonic Gradient Variation as a Hydrocarbon Indicator: A Case Study in Clastic Reservoirs in South Sumatra

Iswani Waryono, Wahyu Triyoso

Indonesian Petroleum Association

... hydrocarbon charged reservoir from brine reservoir. RMS Velocity field is main driver of VVO or VVA. It is generated automatically from Normal Move Out (NMO...

2012

Abstract: Robust Surface-Consistent residual Statics and Phase Correction…Part 1; #90224 (2015)

Nirupama Nagarajappa and Peter Cary

Search and Discovery.com

... synthetic datasets that illustrate the method: (a) a flat reflector with no noise (b) a flat reflector with noise and (c) a pinch-out model...

2015

Processing the KTK 3D seismic Survey for Azimuthal Information: San Joaquin Basin, California; #41649 (2015)

M. Lee Bell and Gary Myers

Search and Discovery.com

... mapped. The Antelope Member is in light blue. It is underlain by the McDonald Shale Member (approximated by the high amplitude continuous reflector). Note...

2015

Abstract: Predicting Free Surface Multiples without the Water: SRME on Land; #90224 (2015)

Keith Wilkinson, Richard Bale, and Ken Gray

Search and Discovery.com

... data, multiples are often easy to spot on a stack because of their similarity to the multiplegenerating reflector; this is usually the water bottom...

2015

Amplitude Versus Offset (AVO) Analysis: Part 7. Geophysical Methods

Allan T. Long, R. C. Anderson

AAPG Special Volumes

.... Normal moveout (NMO) and residual statics corrections must be performed as accurately as possible, for any AVO analysis is degraded by inappropriate...

1992

Abstract: DMO and NMO as Applied in Seismic Data Processing

Jiunnyih Chen

Geological Society of Malaysia (GSM)

...Abstract: DMO and NMO as Applied in Seismic Data Processing Jiunnyih Chen - 256 - Geological Society of Malaysia - Petroleum Geology Seminar /988...

1988

Derivation of Seismic Depth Sections

H. Buchholtz, W. Houba

Geological Society of Malaysia (GSM)

... the same point, the dipping reflector segment B is exhibiting an extended reflection area. Since stacking velocities depend on dip obviously the NMO...

1987

AAPG Memoir 76, Chapter 18: Velocity Estimation for Pore-Pressure Prediction

David W. Bell

AAPG Special Volumes

..., as a function of vertical two-way traveltime (T) for each major reflector. V nmo assumes that the measured traveltime is a hyperbolic function of the offset...

2001

An Analysis of a Seismic Reflection from the Base of a Gas Hydrate Zone, Offshore Peru (1)

JOHN J. MILLER , MYUNG W. LEE , and ROLAND VON HUENE

AAPG Bulletin

... 910 924 75 5. (May) Seismic reflection data recorded near ODP Site 688, offshore Peru, exhibit a persistent bottom-simulating reflector (BSR) from...

1991

Lithology Identification Using Amplitude Variations with Offset: Examples from South Sumatra

Soman Chacko

Indonesian Petroleum Association

... information above the reflector, and the CDP geometry, it is possible to model the observed amplitude variation. Such modeling can result in useful...

1986

The Deer Lake Basin, Newfoundland: Structural Constraints from New Seismic Data

James A. Wright, Brian H. Hoffe, George S. Langdon, Garry M. Quinlan

CSPG Bulletin

... et al., 1992) collected regional-scale seismic data along the western edge of the basin. Waldron and Stockmal (1994) correlate a well defined reflector...

1996

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