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The AAPG/Datapages Combined Publications Database

Showing 31,478 Results. Searched 189,922 documents.

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Abstract: Anisotropic Frequency-Dependent Spreading of Seismic Waves from VSP Data Analysis; #90174 (2014)

Amin Baharvand Ahmadi and Igor Morozov

Search and Discovery.com

...: 10.4401/ag-4780. Figure 3: Effect of anisotropy: a) Fitting expression (5) for layer 2 by using  =  = 0, b) The same using anisotropic parameters. Note...

2014

Abstract: AVO Crossplotting II: Examining Vp/Vs Behavior; #90171 (2013)

Heath Pelletier

Search and Discovery.com

...Abstract: AVO Crossplotting II: Examining Vp/Vs Behavior; #90171 (2013) Heath Pelletier AVO Crossplotting II: Examining Vp/Vs Behavior Heath...

2013

Abstract: Calculation of Amplitude and Velocity in General Anisotropic Media; #90224 (2015)

M. Malehmir and D. R. Schmitt

Search and Discovery.com

... the effect of anisotropy on elastic wave propagation. Hearmon’s (1960) research involved the application of elasticity on wave propagation through...

2015

UK Continental Shelf: Raising the Bar for Regional 3D Seismic in the Central North Sea

Gregor Duval, Steve Hollingworth, Luke Twigger, CGG

GEO ExPro Magazine

.... The Right Seismic in the Right Place model. The initial velocity model and subsequent iterations of tomography along with anisotropy parameters were...

2015

Abstracts: Sonic Scanner Logging at Site C0009 of IODP Expedition 319, NanTroSEIZE; #90173 (2015)

Hisao Ito

Search and Discovery.com

... S wave anisotropy. Dispersion analysis was applied to find that stress induced anisotropy is dominant for almost entire depth interval. We also found...

2015

AVO Analysis and Simultaneous Inversion of Spec Survey Data in Arafura Sea

Feby Hapsari, Irfan Saputra, John Coffin, Liyanto

Indonesian Petroleum Association

..., showing separation between Gas effect and Lithology. Figure 5 - Synthetic from AVO Forward Modelling with Gas and Brine case. The Gas case shows...

2008

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

... azimuthal fracture detection techniques: P wave azimuthal velocity analysis (VVAZ), P wave azimuthal AVO analysis (AVAZ), and converted wave shear wave...

2014

ABSTRACT: Anisotropic PP and PSv Prestack Depth Migration of 4C _OBC_ Seismic Data, Pamberi, Offshore Trinidad

Tony Johns, Carmen Vito and Raul Sarmiento

Geological Society of Trinidad & Tobago

... to examine another form of anisotropy, HTI (or azimuthal anisotropy), and its possible effect on PSv imaging and data quality as a consequence of shear...

2007

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

Peter W. Cary, Albert Zhang

Search and Discovery.com

... the downgoing P-wave and up-going S-wave travel at different speeds and are affected by anisotropy differently. Some technical issues, such as velocity...

2015

Well Log Data Conditioning Using a Rock Physics Modeling Approach: Examples From the Banyu Urip Field, Cepu KKS, East Java Basin

Shiyu Xu, Soman Chacko

Indonesian Petroleum Association

... to be much larger than in clastics, indicating a correspondingly greater effect on sonic logs. Incorporating the effects of seismic anisotropy...

2008

Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)

Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson

Search and Discovery.com

... and Pratt, 1992). It should be noted that the effects of weak anisotropy on the traveltimes has a higher-order effect on the seismic velocities. Figure...

2015

Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad

Tony Johns

Search and Discovery.com

...-based tomography with a top-down pseudo layer-stripping approach. The Pamberi-1 well information was used to constrain the anisotropy in the shallow...

Unknown

Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad

Tony Johns

Search and Discovery.com

...-based tomography with a top-down pseudo layer-stripping approach. The Pamberi-1 well information was used to constrain the anisotropy in the shallow...

Unknown

Abstract: Physical Testing of the Effect of Tilting on the Reflection Coefficient in an Anisotropic Material; #90172 (2014)

Miryam Ortiz-Osornio, Douglas R. Schmitt

Search and Discovery.com

... more notable at the critical angle vicinity. Those results support former theoretical work. Introduction The effect of tilting in AVO is an important...

2014

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

Ramin Saleh, Emmanuel Bongajum, and Bernd Milkereit

Search and Discovery.com

...Abstract: Effects of Lateral Heterogeniety Scales on AVO Trends; #90174 (2014) Ramin Saleh, Emmanuel Bongajum, and Bernd Milkereit AAPG Datapages...

2014

Abstract: The Influence of an Anisotropic Overburden on Azimuthal AVO; #90211 (2015)

Peter Cary and Xinxiang Li

Search and Discovery.com

...Abstract: The Influence of an Anisotropic Overburden on Azimuthal AVO; #90211 (2015) Peter Cary and Xinxiang Li Datapages/Search and Discovery...

2015

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

Marina Pervukhina, Patrick N. J. Rasolofosaon

Search and Discovery.com

... of the considered samples actually corroborate the effect of burial both on densities and on velocities. Effect on the Anisotropy Parameters Up to now we did...

2015

Abstract: Geomechanics Approach to Management of Naturally Fractured Reservoirs: Interrelationship Between Natural Fractures, In-Situ Stress, and Reservoir Permeability Anisotropy

Lawrence W. Teufel

Four Corners Geological Society

..., and Reservoir Permeability Anisotropy Lawrence W. Teufel 1999 137 138 Fractures are present in almost all hydrocarbon reservoirs, but it is only when...

1999

PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study

Morgan P. Brown, Joseph H. Higginbotham, Dave List, Chris Lang

Unconventional Resources Technology Conference (URTEC)

... faulted, and we observed fractures in FMI data. Azimuthal anisotropy analysis measures a bulk overburden effect. Amplitude versus azimuth (AVAZ) methods...

2013

An Example of 3-D AVO for Lithology Discrimination in Widuri Field, Asri Basin, Indonesia

Steven W. Smith, Larry Danahey, Romina Himawan, William E. Harmony, H. Lee Gilmore, John W. Armon, Tony L. Bowman, Wayne Smith

Indonesian Petroleum Association

... correlates with the strength of the AVO effect. For example, coals which have strongly decreasing AVO responses also have large negative amplitudes...

1995

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