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The AAPG/Datapages Combined Publications Database

Showing 33,169 Results. Searched 200,691 documents.

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Velocity model building and imaging driven by FWI with dual-azimuth data in a complex salt environment: Brazil case study

Xu Li, Christine Gans, Young Ho Cha, Diwi Snyder, Gopal Palacharla, Vijay Gottumukkula, Yaofeng He, Hongchuan Sun, Tetyana Vdovina, Xueyi Jia, Valeriy Brytik, Inmaculada Dura-Gomez

International Meeting for Applied Geoscience and Energy (IMAGE)

... migration, pre-stack shot illumination compensation for RTM, and multi-azimuth smart merge. These key factors combined to produce significant velocity...

2022

Hierarchical elastic velocities reconstruction with Eikonal-equation-based characteristic reflection traveltime tomography

Jianhua Wang, Jianming Zhang, Liangguo Dong, Yandong Wang

International Meeting for Applied Geoscience and Energy (IMAGE)

... systems, and analysis of stress distribution characteristics. In the multi-component data processing workflow, the reconstruction of S-wave velocity stands...

2024

Can Sparse OBN Equal Savings and Data Quality?

Yannick Cobo, Rodrigo Felicio, Carlos Calderon, Paul Farmer, ION

GEO ExPro Magazine

... to compare how different geometries might impact the ability to build accurate velocity models. Geology The study area is in ultradeep waters (2 km...

2021

The Role of Statics Application in the Imaging of Sub-Surface in Fold Belt Areas, #40746 (2011)

Arun Kumar Arya, Bharat Chandra Joshi, Narinder Pal Singh,

Search and Discovery.com

... of velocity analysis. A velocity model was conceived based on the previously mentioned velocities and picked semblances in velocity spectrum. The velocity...

2011

Abstract: Compaction and Overpressure in Shales: Practice and Theory

Phil Heppard and Dan Ebrom

Houston Geological Society Bulletin

... the migration of fluids, including hydrocarbons, and hence are of interest not only to drillers (whose wells must deal with these pressures) but also...

2010

Abstract: Full Anelliptic Time Processing (Paper 7)

Charles Zeltser

Geological Society of Malaysia (GSM)

... of seismic events follow hyperbolic behaviour. Of course neither is true, the velocity of propagation within a seismic layer can vary between horizontal...

2003

Recent Advances in Passive-Margin Research: ABSTRACT

R. E. Sheridan, J. A. Grow, D. G. Roberts, L. Montadert, E. Seibold, K. Hinz, P. R. Vail

AAPG Bulletin

... wells have provided geologic calibration. Reefal-carbonate-bank underpinnings provided a mechanism for slope migration seaward of the original...

1979

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)

... analysis focuses on azimuthal changes on either velocity or amplitude. It is obvious that in the field application both HTI and VTI exist...

2016

Enabling the Next Generation of Hydrocarbon Exploration

Stefano Volterrani, Tim Matava, Zakir Hossain, Shihong Chi, Brian W. Horn

GEO ExPro Magazine

... migration ensures seismic ties wells across three basins using the newly developed anisotropy derived from velocity model building methods. The use...

2018

Improved 3D Seismic Imaging through Depth Migration and Tomography: An Indonesia Case Study

Jianli Song, Cristina Reta-Tang, Xuening Ma, Jim Wilhite, Laurie Geiger

Petroleum Exploration Society of Australia (PESA)

... model refinement and hig h-resolut ion anom alies are found with in the th in reservoirs Fig. 2. Left: Initial depth migration velocity model...

2011

Time-lapse crosswell seismic monitoring of CO2 injection at the Nagaoka CCS site using elastic full-waveform inversion

Rie Nakata, Nori Nakata, Aaron Girard, Masaru Ichikawa, Ayato Kato, David Lumley, Zique Xue

International Meeting for Applied Geoscience and Energy (IMAGE)

... the characteristics of the observed waveforms. The estimated velocity changes clearly depict the CO2 plume migration along a 10 m layer as velocity decreases...

2022

Aspects to the Resolving Power of 3D Seismic Surveys

Wolfgang Houba

Geological Society of Malaysia (GSM)

... to an optimum velocity field determination for stacking and migration. RESOLVING POWER OF 3D SEISMIC SURVEYS 39 Spatial aliasing and migration...

1985

Least-squares reverse time migration of seismic source coding based on Shearlet transform

Yingkaer Nabi, Xiangbo Gong, Zhuo Xu

International Meeting for Applied Geoscience and Energy (IMAGE)

... and Technology, Jilin University Summary The reverse time migration can accurately image the vertical structure and complex velocity model, but it has serious...

2022

Exploration and Development based on RTH Technology and AI

Gennady Erokhin, Mariia Erokhina, Kirill Safran, Alexandre Iakovlev

Unconventional Resources Technology Conference (URTEC)

... in common image gathers, using the time-reversal algorithms and on synthesis a seismic attributes. It is shown that a detailed analysis of the joint...

2023

AAPG/Datapages Discovery Series No. 7: Multidimensional Basin Modeling, Chapter 15: Simple 3-D Modeling of Hydrocarbon Migration

Wangen, M., T. Throndsen

AAPG Special Volumes

... and the grid spacing are given.The velocity of buoyancy-driven oil migration in a carrier bed with a dip angle can be approximated bywhere ko is oil...

2003

Abstract: Enhanced Surface Seismic Data Processing Using Simultaneous Acquired DAS-VSP Data; #91204 (2023)

Gang Yu, Jinliang Xiong, Junjun Wu, Yuanzhong Chen, Yingshui Zhao

Search and Discovery.com

... the correct anisotropic parameters and Q volume as well as more accurate velocity model for the 3D anisotropic and Q migration. Figure 4 shows the surface...

2023

High-resolution imaging using least-squares migration in the image domain (LSMi) for a marine distributed acoustic sensing (DAS) 3D-VSP

Ali Sayed, Francesca Twynam, Ran Bachrach, Maud Cavalca, Leo Leon, Maria Shadrina, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

... operator combines the action of forward modelling and migration for a given acquisition geometry and subsurface velocity model. It is estimated...

2023

Model-Based, 2-D Seismic Definition of Subthrust Structure in the Uranium Peak Area, Northwest Colorado

George C. Robertson, Dirk W. McDermott, Rex L. Tang

Rocky Mountain Association of Geologists

... and geometric variables during prestack depth migration. Post-drilling analysis, including detailed dipmeter interpretation, proved the pre-drilling depth...

1995

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