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The AAPG/Datapages Combined Publications Database

Showing 31,878 Results. Searched 195,354 documents.

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ABSTRACT: Subsalt Imaging: beyond depth migration and model building; #90051 (2006)

Biondo Biondi

Search and Discovery.com

... operator. The second project developed a robust Migration Velocity Analysis (MVA) method based on wave-equation operator, that can be used where...

Unknown

The Wave Equation Applied to Migration

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

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... One obvious route to pursue is the application to the migration of unstacked seismic data, which could well lead to more accurate velocity analysis...

1978

Rapid Multiple-Scenario Depth Structure Risk Analysis Case Study in Cuulong Basin, Vietnam

Nguyen Nam, Hong Shien Lee

Indonesian Petroleum Association

... the use of picks helps to identify the reliability of picks and then eliminate the bad picks or bad horizons 1- Seismic velocity is PSTM migration...

2008

Residual Temperature Analysis--Tracking Subsurface Fluid Migration: ABSTRACT

R. H. Pilger, Jr., Jeffrey A. Nunn

AAPG Bulletin

...Residual Temperature Analysis--Tracking Subsurface Fluid Migration: ABSTRACT R. H. Pilger, Jr., Jeffrey A. Nunn 1982 618 618 66 5. (May) Positive...

1982

Integrating Basin Modelling with Geophysical Methods; #120108 (2013)

Hans Martin Helset, Zhijun Du, and Erling Fjær

Search and Discovery.com

... rock maturation and hydrocarbon migration. Sediment velocity and resistivity are dependent on the temperature and effective stress history...

2013

Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey

Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham

Indonesian Petroleum Association

... azimuth sectors for migration velocity © IPA, 2012 - 35th Annual Convention Proceedings, 2011 analysis and azimuthal tomography velocity model...

2011

Unlocking the Potential of Conventional Narrow Azimuth Data by Full-Waveform Inversion: a Deep Carbonate Imaging Case Study, Offshore Indonesia

Jun Wang, Yonghe Guo, Putri Supriandini, Bahrul Yusrie, Natalia Anggriani

Indonesian Petroleum Association

... velocity model for FWI was derived from a prestack time migration velocity that was converted to a depth interval velocity with smoothing applied. Water...

2021

Wave equation traveltime Kirchhoff with real data applications

Hu Jin, Vladimir Bashkardin, Petr Jilek, Chandan Kumar, Han Liu, John Etgen, Madhav Vyas, Ganyuan Xia

International Meeting for Applied Geoscience and Energy (IMAGE)

... high-resolution models. However, migration gathers are still needed for verifying the quality of the velocity model and for performing post-migration...

2023

Resolving complex velocity and gas absorption features with full-waveform inversion in the Taranaki Basin, New Zealand

Yuelian Gong, Dominic Fell, Robert Hunn, Richard Bisley, Alexander Karvelas, Bee Jik Lim

Petroleum Exploration Society of Australia (PESA)

...Resolving complex velocity and gas absorption features with full-waveform inversion in the Taranaki Basin, New Zealand Yuelian Gong, Dominic Fell...

2019

Abstract: Quantitative Interpretation on Presalt Carbonate Reservoir From Deepwater Offshore Angola; #90310 (2017)

Chyril Anwwar Ibrahim, Trisakti Kurniawan

Search and Discovery.com

.... A Kirchhoff pre-stack depth migration with input of anisotropic velocity model were used in order to produce the seismic data that would have better...

2017

Prestack Depth Migration for "Easy" Unconventional Plays?, #41056 (2012)

Morgan Brown

Search and Discovery.com

..., and expectations must be calibrated. 4) Dense, iterative velocity analysis is key to PSDM success. 5) Anisotropic PSDM is the only rigorous way to handle...

2012

Reflection or Refraction?

Aleksandr Nikitin, Nikolay Amelin, Sergei Pokrovskii, Andrey Lekomtsev

GEO ExPro Magazine

... a refracted wavebased velocity model can be a better, more stable and reliable alternative for signal enhancement data processing, migration procedures...

2017

Chapter Ten-part 2: Depth Conversion

Leslie R. Denham, Dave K. Agarwal

AAPG Special Volumes

... as horizontally (it is not isotropic). And the layers used for velocity analysis are rarely uniform. Finally, the reflections are not, in general, horizontal...

2011

Incorporation of Geology, Wells, and Rock Physics into Anisotropy Estimation for Seismic Depth Imaging Enables True Earth ModelŽ, #40828 (2011)

Huyen Bui, Peck-Hwa David Ng, Jenny Zhou, Chih-Wen Kue, Mart Smith

Search and Discovery.com

... be wrong at zero offset because the most important parameter that can cause the wrong depth is the vertical seismic velocity used in migration. To create...

2011

NMO Application in VTI Media: Effective and Intrinsic Eta (Geophysics Paper 6)

Joel Starr, Maz Farouki

Geological Society of Malaysia (GSM)

... Brazil. Values of ηeff range from 0 – 0.141. The ηeff field was determined by residual migration velocity analysis using the Alkhalifah NMO equation...

2008

Abstract: Depth Imaging of the Drake Structure in the Ultra-Deep Shelf Play of the Gulf of Mexico

George Zemlicka, Robert J. Bruce, Peter Gale, John E. G. Savage, Karen L. Sherlock, Dong-Sheng Li, Mike Plumlee, William J. Schneider, Glen Denyer, Randol Haworth, Jay Menard, Ricardo J. De Campos

GCAGS Transactions

... to the high quality depth image was the construction of a detailed velocity model, with sediment velocities derived from tomography and migration...

2006

Scale Modeling of Bed Forms: Abstract

John B. Southard, Lawrence A. Boguchwal

Dallas Geological Society

... d, mean flow velocity U, fluid density p and viscosity μ, sediment size D and density ps, and gravity g), dimensional analysis provides four model...

1977

Scale Modeling of Bed Forms: Abstract

John B. Southard, Lawrence A. Boguchwal

CSPG Special Publications

... d, mean flow velocity U, fluid density p and viscosity μ, sediment size D and density ps, and gravity g), dimensional analysis provides four model...

1977

Overview of Exploration Geophysics: Recent Breakthroughs and Challenging New Problems: Hydrocarbons

B. S. Flowers

AAPG Special Volumes

..., but accurate velocity measurements that will give proper depth conversions are not possible. The ordinary time-migration section produced with migration-before...

1976

Overview of Exploration Geophysics--Recent Breakthroughs and Challenging New Problems

B. S. Flowers

AAPG Bulletin

... enough to be visible, but accurate velocity measurements that will give proper depth conversions are not possible. The ordinary time-migration...

1976

Seismic Time to Depth Conversion and Uncertainty Analysis for Horizon Prediction in a Proposed Well-Site of Sungai Gelam Field, Jambi Subbasin

Muhamad Wildan P., Imam Muda Gunawan, Andry Pujiriyanto, Sudarmaji

Indonesian Petroleum Association

... depending on the purpose and the availability of existing data sources. In seismic data, processing in the form of migration also involves velocity modeling...

2013

Abstract: Prestack Depth Migration with the Gabor Transform; #90211 (2015)

Yongwang Ma and Gary Margrave

Search and Discovery.com

... migration, dealing with lateral velocity variation while keeping the advantages of the phase-shift method, i.e., accuracy and efficiency. Other phase-shift...

2015

Abstract: Seismic Imaging near and within the Basement Offshore Malaysia; Including Comparisons of Imaging Algorithms (Geophysics Paper 19)

Nabil El Kady, M. Shah Sulaiman, Zabidi M Dom, Tang Wai Hoong, Lee Mei Lu, Pavel Vasilyev, Martin Bayly

Geological Society of Malaysia (GSM)

...; velocity model building and migration methods applied to successfully image the data. The basement fractures are present at a variety of scales but to aid...

2011

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