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The AAPG/Datapages Combined Publications Database

Showing 17,716 Results. Searched 200,756 documents.

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Abstract: Parallel Implementation of Pre-stack Least-squares Migration for Distributed Systems; #90171 (2013)

Sam T. Kaplan

Search and Discovery.com

... of a distributed system. We consider the case of n r MPI processes, n m common midpoint gathers, nω realizations of frequency, and n z realizations...

2013

Considerations in Azimuthal Processing and Velocity Inversion for Unconventional Plays

Michael J. Perz, William Keller, Victor Kriechbaum

Unconventional Resources Technology Conference (URTEC)

... to characterize the interval velocity azimuthal anisotropy using the surface seismic data. Processing was performed within an azimuthallyAVO-compliant...

2018

Seismic Detection of Upper Dakota Sandstones on the Moxa Arch, Green River Basin, Wyoming, Using Amplitude Versus Offset Data

C. Dean Lausten

Wyoming Geological Association

.... Normal Incidence Models Normal incidence synthetics were made for general reflection identification using available sonic logs for every well within...

1989

The Fabric, or Internal Structure, of Rocks … The Patterns of Anisotropy; #42188 (2018)

Heloise B. Lynn

Search and Discovery.com

... seismic reflection data, with frequencies of 5-100 Hertz (5-100 cycles per second). Permeability and Velocity Examples of anisotropic quantities...

2018

Unlocking the potential of narrow-azimuth streamer acquisition with extended FWI and least-square RTM: A case study for an Eastern Mediterranean field

Lei Zhuo, Guojian Shan, Brian Church, Lin Christianson, Jeff Bergeron, Yue Wang, Ao Cai, Mark Fan, Megan Stearman, Jeff Fabre

International Meeting for Applied Geoscience and Energy (IMAGE)

...-azimuth acquisitons. As a result, a relatively mature velocity model was derived with a top-down approach combining reflection tomography, interpretation...

2024

A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods

Kriyanti Setiyono, Ken H. Matson

Indonesian Petroleum Association

... a normal moveout is applied to the CMP gathers with a velocity that flattens primary events and undercorrects the multiples. The NMO-corrected gather...

2000

A case study of cavity excitation method for seismic acquisition in the limestone outcrop area of eastern Sichuan, China

Xiaoyang Wang, Min Li, Xiaobin Zhang, Shuqin Li, Zhichao Yang, Longjiang Jing, Zhen Yang, Yanfa He, Xiaohong Zhao, Mingyi Li, Hao Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... the comparative analysis of the 6 shot gathers (Figure 5a) excited by the single well cavity excitation method and nearby 6 shot gathers (Figure 5b...

2022

Fracture reservoir prediction method based on AVO disturbance variance

Guangrui Xiao, Yao Li, Yuru Zhang, Dekui Xu

International Meeting for Applied Geoscience and Energy (IMAGE)

..., Reflection coefficients and azimuthal AVO analysis in anisotropic media: SEG. Shen, F., J. Sierra, D. Burns, and M. N. Toksoz, 1999, Azimuthal offset...

2022

Abstracts: A Practical Approach for Estimating Receiver Statics in 2D/3C Seismic Data Processing; #90173 (2015)

Dumitru Ion and Mike Galbraith

Search and Discovery.com

... correction (Slotboom, 1990). All the involved procedures (e.g. common velocity stacks and semblance) were based on the true surface formulation, using...

2015

Abstract: Cost Efficient Acquisition to Reduce Coarse Land 3D Line Spacings Through Beyond Nyquist Interpolation and Wavefield Reconstruction for Signal and Noise; #90187 (2014)

Bill Goodway

Search and Discovery.com

... reflection point domains. By contrast, 2D linear spatial sampling is regular and dense with fold that is higher by the same line to station spacing ratio...

2014

Seismic Reservoir Characterisation of a Channel Sand Oil and Gas Field, Malaysia (Paper A11)

T. J. Focht, M. Sams, D. Brookes, J. Ting

Geological Society of Malaysia (GSM)

... percent. Petrophysical analysis of all the wells in the field indicates that the reservoir shares common gas-oil and oil-water contacts. Rock physics...

2012

Seismic simulations of experimental strata

Lincoln Pratson, Wences Gouveia

AAPG Bulletin

... velocity; and (C) vertical incidence reflection coefficients. (D) Seismic wavelet or seismic source used with the physical property models to create...

2002

Middle and Upper Jurassic Depositional Environments at Outer Shelf and Slope of Baltimore Canyon Trough

L. A. Gamboa , M. Truchan , P. L. Stoffa

AAPG Bulletin

... Bulletin, v. 64, p. 1658-1680. Le Pichon, X., J. Ewing, and R. E. Houtz, 1968, Deep-sea sediment velocity determination made while reflection profiling...

1985

Towards more accurate reservoir imaging using FWI: An OBN case study at Trion

Zhen Wang, Sen Mei, Zhuocheng Yang, Joakim Blanch, Ezequiel Genova, Juan-Mauricio Florez-Nino, Humberto Salazar-Soto, Alfredo Vazquez-Cantu

International Meeting for Applied Geoscience and Energy (IMAGE)

...-offset seismic data with good lowfrequency content. Time-lag FWI (TLFWI) using this OBN data was able to improve the tilted orthorhombic (T-ORT) velocity...

2022

Full phase-velocity spectrum inversion of multimode Rayleigh waves

Yanlong Niu, Yunyue Elita Li, Siau Chen Chian

International Meeting for Applied Geoscience and Energy (IMAGE)

..., 2012, Advantages of using multichannel analysis of love waves (male) to estimate nearsurface shear-wave velocity: Surveys in Geophysics, 33, 841–860...

2022

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

... analysis from PP reflection data: Ph.D dissertation, The University of Calgary. Zheng Y., J. Wang, and M. Perz, 2008, Pitfalls and tips for seismic fracture...

2014

Differentiable dynamic time warping divergences in full-waveform inversion

Mahesh Kalita, Lorenzo Casasanta

International Meeting for Applied Geoscience and Energy (IMAGE)

.... This improvement is further supported by Figure 5, which displays a set of common image gathers calculated at an interval of 2 km to QC the updated models...

2023

Elastic full-wavefield inversion for presalt carbonate reservoir characterization in offshore Brazil

Young Ho Cha, Partha Routh, Olivier Burtz, Valeriy Brytik, Ratnanabha Sain, Jeffrey Sitgreaves, Jay Barr, Dez Chu, Michael Passarello

International Meeting for Applied Geoscience and Energy (IMAGE)

... reservoirs in off-shore Brazil from raw seismic gathers. By the tight integration of various types of FWIs and conventional velocity model building tools...

2022

Multicomponent Seismic Technology Assessment of Fluid-gas Expulsion Geology and Gas-hydrate Systems: Gulf of Mexico

B. A. Hardage, P. E. Murray, R. Remington, M. De Angelo, D. Sava, H. H. Roberts, W. Shedd, J. Hunt Jr.

AAPG Special Volumes

... be recorded at all offsets.SEISMIC DATA PROCESSINGCommon midpoint (CMP) and common-conversion point (CCP) trace gathers created by WesternGeco were used...

2009

Advanced Approach Toward Understanding Geologically Complex Area Using MDRS (Multi-Dip CRS): A Case Study

Naoshi Aoki, Shogo Narahara, Akihisa Takahashi, Tsukasa Nishiki

Indonesian Petroleum Association

... based on the common-reflection-surface (CRS) technology. The method offers not only an improved signal to noise ratio of data but also a higher...

2011

Intra-Muda Shallow Gas in Cumi-Cumi PSC, Natuna Sea - a Driller's Nightmare Becomes a Geophysicist's Dream

Martin Bennett

Indonesian Petroleum Association

.... Seismic Stacking Velocity Analysis It was noted during processing that a significant inversion in RMS velocities occurs within the Muda Fm over...

2000

Multiple Aliasing Problems in Marine Data

P. Chia, C. O. Kuek, P. Ward, K. S. Lee

Geological Society of Malaysia (GSM)

... of the aliased noise associated with multiples depends rather strongly on the velocity of the multiples. To illustrate this point, CDP gathers...

1992

Statistical imaging through strongly scattering near-surface with path summation techniques

Andrey Bakulin, Ilya Silvestrov, Maxim Protasov, Dmitry Neklyudov

International Meeting for Applied Geoscience and Energy (IMAGE)

...-surface clutter significantly degrades reflection images. While migration using an exact velocity model of the clutter can recover reflections, albeit...

2024

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