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The AAPG/Datapages Combined Publications Database

Showing 493 Results. Searched 195,364 documents.

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Abstract: DMO Accuracy Requirements for AVO Analysis

Craig J. Beasley

Geological Society of Malaysia (GSM)

... processing because of its proven ability to image events with conflicting dips and thereby increase lateral resolution in stacked data. Many different...

1990

Abstract: Tau-P Seismic Data Processing: Fast Slant Stack Using the Hartley Transform

Leong Lap Sau, Ng Tong San

Geological Society of Malaysia (GSM)

... transformed to the T-P plane assigns the upgoing and downgoing wave fields to different T-P quadrants according to their dips. Either wave field can...

1991

Fractured Reservoir Prediction … A Case Study in the Sichuan Basin; #10512 (2013)

Ling Yun, Xiangyu Guo, Qianggong Song, and Weisheng He

Search and Discovery.com

... is between 0.004×10 -3 to 0.847×10-3μm2. There are several formations of hydrocarbon source rocks. Six wells have been drilled in the high position...

2013

Enso and Sunspot Cycles in Varved Eocene Oil Shales from Image Analysis

Maurizio Ripepe , Lillian T. Roberts , Alfred G. Fischer

Journal of Sedimentary Research (SEPM)

... in variations in the thickness of the intervening mineral layers. In some cases, (Fischer and Roberts, this volume, fig. 7) several discrete laminae...

1991

A Case Study of Seismic Exploration in the Offshore Bonaparte Basin

J. Durrant, A. Young

Petroleum Exploration Society of Australia (PESA)

... after F I K demultiple and normal• move-out (NMO) correction. This was designed to attenuate multiples with short to medium length periodicity while...

1988

Hybridised Weighted Boot-Strap Differential Semblance

Hamish Wilson, Lutz Gross

Petroleum Exploration Society of Australia (PESA)

... of this final model is velocity analysis. Conventional normal moveout (NMO) velocity analysis is utilised to produce a move-out or stacking velocity field...

2016

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

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

Search and Discovery.com

... spectral notches (Soubaras, 2010). No assumption is needed regarding the amplitude spectrum of the reflectivity, which is arbitrary and unknown...

2014

Abstract: Application of Target-oriented VVAZ on Relatively thin Fracture Reservoir; #90174 (2014)

Stephen K. Chiu, Jack Howell, Jason A Stein, Samik Sil, and Jeff Malloy

Search and Discovery.com

... independently without any layer stripping, by picking the residual NMO travel times separately for the first and second HTI layers. The first HTI...

2014

Developing a robust geologic conceptual model using pseudo 3-D P-wave seismic reflection data

Adrian D. Addison, Michael G. Waddell, Camelia C. Knapp, Duke T. Brantley, John M. Shafer

Environmental Geosciences (DEG)

... and tritium. Several plumes have been identified, and the plume of interest is a trichloroethylene (TCE) plume that emanates from the northwest section...

2009

Abstract: Effects of Lateral Heterogeniety Scales on AVO Trends; #90174 (2014)

Ramin Saleh, Emmanuel Bongajum, and Bernd Milkereit

Search and Discovery.com

..., wave conversion, plane and spherical waves, and arbitrary source and receiver locations. For all the models used in this study, the top layer...

2014

Joint Anisotropic Parameter Inversion Based on Nonhyperbolic Moveout and Azimuthal Amplitude Variance

Fangyu Li, Jie Qi, Bin Lyu, Kurt J. Marfurt

Unconventional Resources Technology Conference (URTEC)

..., for weak anisotropy, the P wave normal moveout (NMO) velocity at an arbitrary azimuth is given by Tsvankin (1997): Vnmo    V0 1  2 cos2...

2016

Seismic Acquisition in the Papuan Fold Belt: A New Approach

G. S. Hill, S. J. Price, M. S. Foster, R. W. Stephenson, D. Ellis, J. A. Lyslo

Papua New Guinea (PNG) Petroleum Convention Proceedings

... Properties • The rain forest floor comprises dead vegetation, including leaves and logs, often extending to a depth of several metres. Beneath...

1996

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

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

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

Geological Society of Malaysia (GSM)

... and conflicting dips. Performed correctly, velocity analysis after DMO is supposedly independent of dips and thus would allow an easier decision...

1996

Seismic Acquisition and Processing

Bruce S. Hart

Special Publications of SEPM

... acquisition people need to know the depth to the targets of interest, their di ensions and structural dips . Seis ic processing incorporates "judg ent...

2000

Abstract: Raypath-Consistent Shear Wave Statics; #90224 (2015)

Raul Cova, David Henley, and Kris Innanen

Search and Discovery.com

... to very low velocity values the magnitude of the S-wave statics is several times larger than the P-wave statics, producing a very destructive effect...

2015

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

David W. Bell

AAPG Special Volumes

... is increased proportional to the cosine of the dip angle. For stacked layers with variable dips, simple corrections based on analytical expressions...

2001

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)

... in data conventional NMO and Stack. The 2005 seismic section shown in Figure 3 is an example of data with this sequence applied. Recent advances in noise...

2015

Implementation of the DIPSCAN Method to Estimate Boundary Dips in Complicated Structures by VSP Data

A. A. Tabakov, V.N.Ferentsi, H. Gravini

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... model of medium with different layers dips Turn of initial system of coordinates around of point O so that the plane XOY became parallel to a plane π...

2006

Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)

Lynn Burroughs and Stewart Trickett

Search and Discovery.com

... bound for the rank. NMO correction is recommended prior to filtering - by flattening the data, we decrease the number of distinct dips, permitting...

2013

Abstract: Prestack Rank-Reduction-Based Noise Suppression: Practise; #90171 (2013)

Lynn Burroughs and Stewart Trickett

Search and Discovery.com

... bound for the rank. NMO correction is recommended prior to filtering - by flattening the data, we decrease the number of distinct dips, permitting...

2013

Application of Robust Noise Reduction on a Land 3D Seismic Data

Agus Abdullah, Jesse Shaw

Indonesian Petroleum Association

... when 2 < xc < , where vn is an arbitrary dummy variable in the form of reference velocity, the beamformed field can then be expressed in the form...

2012

Abstract: Azimuthal Simultaneous Elastic Inversion; #90172 (2014)

Jon Downton, Benjamin Roure

Search and Discovery.com

... would like to generalize the model to the case of a stack of anisotropic layers. Secondly, as Goodway et al. (2006) argue, the near offset...

2014

Seismic Inversion

Michel Kemper

Petroleum Exploration Society of Australia (PESA)

..., t hough, there may be a phase shift or some residua l NMO/ misalignment in the data to correct for prior t o inversion. Here some recommended seismic data...

2010

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