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The AAPG/Datapages Combined Publications Database

Showing 463 Results. Searched 188,963 documents.

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Understanding Multiples to Upgrade Low-Relief Prospects

Sunu H. Praptono, Witan O. Ardjakusumah

Indonesian Petroleum Association

... relief, draping over a slightly tilted basement high. However, on Line B, the basement high is not as evident, it is flat before curving up...

1996

AVO Analysis for Direct Hydrocarbon Detection in Field X in the Persian Gulf (Paper 5)

Mohammad Ali Riahi, Mohammad Emami Niri

Geological Society of Malaysia (GSM)

... Hydrocarbon Indicator (DHI)". For many years, it has been a common practice to use Bright Spots, Flat Spots and Dim Spots in seismic data...

2006

Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands, #41762 (2016).

Geoff Mansfield, Subhash Chandra, Peter Carver

Search and Discovery.com

... of the highlands despite its simplistic flow and reliance on the flat layer assumptions of conventional NMO and Stack. The 2005 seismic section shown...

2016

Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands, #41762 (2016).

Geoff Mansfield, Subhash Chandra, Peter Carver

Search and Discovery.com

... of the highlands despite its simplistic flow and reliance on the flat layer assumptions of conventional NMO and Stack. The 2005 seismic section shown...

2016

Moho, Basin Dynamics, Salt Stock Family Development, and Hydrocarbon System Examples of the North German Basin Revisited by Applying Seismic Common Reflection Surface Processing

Heinz-Juergen Brink, Dirk Gajewski, Mikhail Baykulov, Mi-Kyung Yoon

AAPG Special Volumes

.... Gierse, and J. Pruessmann, 2001, The common reflection surface (CRS) stack: Structural resolution in time domain beyond the conventional NMO/DMO stack...

2012

Tectonic Analysis of a Viking Graben Border Fault

Nils Fagerland

AAPG Bulletin

... deconvolution before stack; 1:2:1 mix with differential NMO correction. Twenty-four lines were migrated. Line 150 in the south and lines 171, 173, 175...

1983

Shipboard Processing and Interpretation

D.M. Angstadt

Geological Society of Malaysia (GSM)

... • PREDICTIVE DECONVOLUTION • BAND PASS FILTERING • SET GEOMETRY - > CoMoPo GATHER • VELOCITY ANALYSIS • NMO CORRECTION, MUTING • TRACE MIX 1:3:1 • BAND...

1992

Abstract: Fracture Detection Via Azimuthal Analysis of Seismic Data: Snake Oil or silver Bullet?; #90187 (2014)

Mike Perz, Peter Cary, Xinxiang Li, and Satinder Chopra

Search and Discovery.com

..., AB, Canada and P wave NMO velocity differences parallel and perpendicular to fractures, respectively), while the VVAZ and SWS responses depend...

2014

Investigation of DMO Algorithms during Test-Line Processing: Some Recommendations

Ng Tong San, Mohd. Hashim Abas, Leong Lap Sau

Geological Society of Malaysia (GSM)

... it is related with the reflector dip angle 8. The above suggests that the DMO process is a two-stage correction viz: NMO followed by DMO (see Yilmaz, 1987...

1996

Common Reflection Surface (CRS) Stack: Limitations and Opportunities for High-Resolution Seismic Imaging; Real Data Cases

M. S. Jaya, E. A. Sentani, Yendri, Widjonarko, D. Santoso

Indonesian Petroleum Association

... in a higher S/N ratio image then the conventional (NMO/DMO-) stack. The underlying theory of CRS stack is, however, developed for imaging primary events...

2007

Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)

Peter W. Cary, Albert Zhang

Search and Discovery.com

... of a converted-wave seismic trace, the regular processing flow of NMO plus DMO and poststack migration can have difficulty achieving an optimal image...

2015

Recent Advances in Borehole Seismic

W. L. Nutt

Indonesian Petroleum Association

... the subsurface model. This NMO correction has the effect of replacing the oblique reflector travel times from the source to the receiver by the corresponding...

1984

New constraints on buried Triassic basins and regional implications for subsurface CO2 storage from the SeisData6 seismic profile across the Southeast Georgia coastal plain

Olusoga M. Akintunde, Camelia C. Knapp, James H. Knapp, David M. Heffner

Environmental Geosciences (DEG)

... of subhorizontal reflectors below the topmost reflector. We reinterpreted the topmost reflector to originate from a change in velocity and density between...

2013

Seismic Sequences and Their Distribution on the Wilkes Land Margin

S. L. Eittreim, G. L. Smith

Circum Pacific Council Publications

... with an unknown thickness of flat-lying sediments according to radio-echo sounding data of Steed and Drewry ( 1 9 8 2 ) . Gradients in the magnetic field indicate...

1987

Abstract: Azimuthal Anisotropic NMO Analysis for Amplitude Stripping Removal in Sumandak 3D Reprocessing (Geophysics Paper 15)

Mazlan Ghazali, Edgardo Padron, Mehmet Ferruh

Geological Society of Malaysia (GSM)

...Abstract: Azimuthal Anisotropic NMO Analysis for Amplitude Stripping Removal in Sumandak 3D Reprocessing (Geophysics Paper 15) Mazlan Ghazali...

2011

New Data Reveals Sub-Salt Levantine Basin

Øystein Lie, Per Helge Semb

GEO ExPro Magazine

... and NMO stack. The up-going pressure wavefield (P-up) derived from the dual-sensor data was extrapolated to the 2006 survey streamer depth...

2009

Abstract: A Seismic Workstation Solution to Bakken AVO; #90174 (2014)

D. Meisinger and N. H. Kalmanovitch

Search and Discovery.com

... a measure of interference between P and S waves at a reflector and since fractures change S waves AVO should provide the ability to distinguish between...

2014

AVO Inversion in Marine Gas Hydrate Studies; #41603 (2015)

Marc-André Chen, Stan Dosso, George Spence, Michael Riedel, Roy Hyndman

Search and Discovery.com

...-simulating reflector (BSR) on low frequency seismic records. One of the methods that may provide constraint on the concentration of gas hydrate...

2015

Vertical Seismic Profiling--A Measurement that Transfers Geology to Geophysics: Chapter 2

B. A. Hardage

AAPG Special Volumes

..., the geophone is clamped at a fixed recording depth, but the source is moved to various offset distances. In both instances, a flat, horizontal reflector can...

1985

Seismic Profiles of the Powder River Basin, Wyoming

W. Richard Moore

Rocky Mountain Association of Geologists

... reflector is diminished over the top of the remnant, possibly indicating deposition of thinner sandstones. Reflections above the Dakota, up to the Sussex...

1985

A Comprehensive Approach to Depth Imaging in Thrust Belt Environments

Ron Schmid, Brian Link, Patrick Butler

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... violates our traditional NMO and CDP assumptions. Added to these subsurface challenges are the additional considerations of rapid elevation changes (up...

1997

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

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

Search and Discovery.com

... are overlain on the water bottom reflector for reference. The resolvability of the dipping nearsurface reflectors is greatly improved with the deghosted...

2014

Pre-Stack Calibration to Well Data: Intercept & Gradient Scaling … A Case Study From the Norwegian North Sea

Nguyen Nam, Larry Fink

Indonesian Petroleum Association

... the seismic wavelet, are not discussed in this paper. The causes for AVO scaling problems, such as multiples, incorrect velocity, residual NMO...

2007

Where's the Data? Acquisition and Processing of Seismic Data in the PNG Highlands

Subhash Chandra, Geoff Mansfield, Peter Carver

Petroleum Exploration Society of Australia (PESA)

... data to enhance the imaging . simplistic flow and reliance on the flat layer assumptions of conventional NMO and Stack. The 2005 seismic section...

2015

G. Non-Normal Incidence Reflections and the Determination of Lithology - Use of Shear Waves and Amplitude with Offset

Norman S. Neidell

AAPG Special Volumes

... approaches as represented by seismogram synthesis assume a flat-layered subsurface and so the vertical travel paths employed are also taken to be normal...

1987

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