A 3D Seismic Interpretation - Flounder Field, Gippsland Basin

A. J. Young, R. R. Coenraads

Petroleum Exploration Society of Australia (PESA)

... every tenth dip line. The normal moveout velocity profiles were smoothed and the values posted and con• toured. This smoothed normal moveout velocity map...

TTI Wave Equation Migration by Phase-Shift Plus Interpolation

Richard A. Bale

Search and Discovery.com

... is able to handle multi-pathing in a natural way, and is not based upon a high-frequency approximation to the wave equation. Shan and Biondi (2005...

TTI Wave Equation Migration by Phase-Shift Plus Interpolation

Richard A. Bale

Search and Discovery.com

... is able to handle multi-pathing in a natural way, and is not based upon a high-frequency approximation to the wave equation. Shan and Biondi (2005...

Structural Interpretation of the Table Rock Area 3-D Survey, Sweetwater County, Wyoming

Cynthia B. Russell, Donald S. Stone

Rocky Mountain Association of Geologists

... was performed after the second pass of surface-consistent residual statics. After the data were corrected for normal moveout (NMO) and the statics were...

Pressure prediction using converted shear waves from OBN data: A rock physics approach

Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser, Terence Krishnasami

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Eaton’s method (Eaton, 1975). The iterative method involves pre-stack depth migration (PSDM), automatic picking of residual moveout and examination...

Corrected Record Sections

Ernest M. Hall Jr.

CSPG Special Publications

... moveout. The weathering and elevation or “static” corrections are constant for a given trace throughout the length of the record. The normal moveout...

Oil Column Calculations in Stratigraphic Traps

Robert R. Berg

GCAGS Transactions

... (Fig. 4). Before the field was discovered a down-dip hole, such as well A, penetrated 25 feet of porous and highly permeable, bar sandstone. A second...

Large-Scale Pore Pressure Prediction After Pre-Stack Depth Migration in the Caspian Sea (Geophysics Paper 24)

Norbert van de Coevering, Hazim Hameed Al-Dabagh, Liau Min Hoe, Tony Jolly

Geological Society of Malaysia (GSM)

... are refined to calibration data such as mud weight, pressure measurements and drilling events. A second prediction based on resistivity logs is carried out...

Uncertainty in Surface Microseismic Monitoring; #41258 (2013)

Mike Mueller, Michael Thornton, and Leo Eisner

Search and Discovery.com

... can we be that the detected events are, in fact, true microseismic events and not spurious noise? The second relates to the event localization: How...

Prediction of Normal-Fault Geometries--A Sensitivity Analysis

Martha Oliver Withjack, Eric T. Peterson

AAPG Bulletin

...-Chevron and dip-line constructions of Williams and Vann (1987) conserve cross sectional area. Second, case studies have shown that inclined simple shear...

Three-Dimensional Seismic Method: Part 7. Geophysical Methods

Oz Yilmaz

AAPG Special Volumes

... deviations from a single hyperbolic moveout within a common-cell gather. For land 3-D surveys, azimuth-dependent moveout within a common cell gather...

Abstract: A Comparison of Standard Migration with EOM for Hussar Data; #90174 (2014)

Thais A. Guirigay, John C. Bancroft, and J. Helen Isaac

Search and Discovery.com

.... After the CSPs are formed, the second step in the EOM method consists of scaling, filtering, normal moveout (NMO) and stacking to complete...

Enhanced 3D Seismic Interpretation Using Display of Combined Seismic Attributes

Bill Higgs, Bill Kowalik, Yi Luo

Indonesian Petroleum Association

... to intensity include edge defection and dip azimuth attributes. Seismic attributes suitable for mapping to hue include seismic amplitude, instantaneous...

Rock Physics Inversion: A Montney Case Study, #41295 (2014)

James Johnson, Lisa Holmstrom, Satwant Diocee, Rob Tilson, Sean Johnson

Search and Discovery.com

... AVO inversions, and a second rock physics inversion. The AVO inversion uses the Aki and Richards linear approximation to the Zoeppritz equations...

Elastic Anisotropy of Shales ƒ Revisited; #41557 (2015)

Marina Pervukhina, Patrick N. J. Rasolofosaon

Search and Discovery.com

... publication (Thomsen, personal communication). It is composed of 59 samples of shales or shaly formations. The second database (Pervukhina et al., 2013...

A method for assessing earth model uncertainty in the Taranaki Basin, New Zealand

Edward Lewis, Dennis van der Burg, Tony Martin, Lorenzo Russo, Tony Bell

Petroleum Exploration Society of Australia (PESA)

... envelope. This is adjusted to account for local dip giving a 3D error envelope. The second method uses model integration to create a volumetric 1D depth...

Understanding Seismic Amplitudes, by Steve Henry, #40135 (2004).

Search and Discovery.com

Slalom Line

R. Garotta

Indonesian Petroleum Association

... 12, at about 1.9 second. Figure 12. Slalom Line, Raw Stack WLP processing takes care of the lateral dip, as is apparent in figure 13. All the five...

Comparison of Magnetic Vector Inversion With Sparse Norm Susceptibility Inversion Accounting for Demagnetization

John M. Weis, Lindsey J. Heagy, Douglas W. Oldenburg

International Meeting for Applied Geoscience and Energy (IMAGE)

... χHS is significant. For an isolated body, this term tends to reduce the magnetization in comparison to the linear approximation. This phenomenon...

The Wave Equation Applied to Migration

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

Southeast Asia Petroleum Exploration Society (SEAPEX)

... with the assumed properties, a relatively simple transformation of A(x, t) will yield a reasonable approximation to the desired migrated section B(x, τ). Method...

Elastic multiparameter full-waveform inversion application on sparse ocean-bottom node data

Denes Vigh, Xin Cheng, Bing Bai, Zongcai Feng, Kate Glaccum

International Meeting for Applied Geoscience and Energy (IMAGE)

... using the acoustic approximation has produced success in deriving P-wave velocity models to achieve an accurate and high-resolution image...

Seismic Expression of the Boundaries of a Miocene Carbonate Platform, Sarawak, Malaysia

Guido L. Bracco Gartner, Wolfgang Schlager, Erwin W. Adams

AAPG Special Volumes

... (e.g., by dip moveout and velocity analysis, normal moveout correction, and Kirchoff migration) and an increase in resolution by zero phasing...

Mapping of Rock Property Changes in Space and Time Using Microseismic Data through Full-Waveform Inversion

Jyoti Behura

Unconventional Resources Technology Conference (URTEC)

... result in seismic activity might be below the noise threshold. Second, the imaged hypocenters are most likely inaccurate. This is because the imaging...

Abstract: The Approximate use of 1D Internal Multiple Prediction in a Multidimensional World: Errors and Recommendations; #90224 (2015)

Pan Pan and Kris Innanen

Search and Discovery.com

..., and in principle require the use of 1.5D, 2D and/or 3D versions. But in practice errors from dip and offset accrue gradually. To maximize the usefulness...

Key Aspects of Multi-Azimuth Acquisition and Processing

James Keggin, Ted Manning, Walter Rietveld, Chris Page, Eivind Fromyr, Roald van Borselen, Mazin Farouki

Indonesian Petroleum Association

..., Mazin Farouki © IPA, 2011 - 32nd Annual Convention Proceedings, 2008 IPA08-G-159 PROCEEDINGS, INDONESIAN PETROLEUM ASSOCIATION Thirty-Second Annual...