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The AAPG/Datapages Combined Publications Database

Showing 4,277 Results. Searched 200,357 documents.

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Using Multiazimuth Seismic Data for Anisotropy Estimation in an Unconventional Reservoir

Surabhi Mishra

Petroleum Exploration Society of Australia (PESA)

... of reservoir is to understand these proxies to predict production behaviour. Natural fracture density and azimuth, as well as horizontal stress azimuth...

2018

Imaging Subsurface Structures Under Gas Clounds by Multi-Component Technology

Xiaogui Miao, Loh Fong Cheen, Libo Zi, Jing Du, Magali Beele, Jacques Bonnafe, Natalia Anggriani, Gilles Vallon, Claudio Strobbia

Indonesian Petroleum Association

... are the key to the success. The Bekapai OBC acquisition has produced a high fold coverage and good quality wide azimuth 4C dataset. Dedicated...

2014

Assessment of a Marcellus Shale Prospect Using Seismic, Microseismic, and Completions Data

Scott Singleton, Mark Suda

GCAGS Transactions

... derived interval velocities using azimuthally sectored volumes (Tsvankin, 1997). This is performed to derive the azimuth of the fracture strike (φ...

2012

Bigger is Better … Hydraulic Fracturing in the Williams Fork Formation in the Piceance Basin

Leen Weijers, Yusuf Kama, Julie Shemeta, Stephen Cumella

Search and Discovery.com

... allows accurate calculation of the position of events detected during the fracture treatment. The calibrated (horizontal) layer velocities for various...

2009

Migration Velocity Analysis by Migration of Velocity Spectra

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

... reasonably be met, even for large 3-D surveys. Migration velocity estimates are typically based on stacking velocities obtained from dip moveout (DMO...

1992

Pre-Stack Imaging: Time or Depth? (Paper 25)

Carl Notfors, Peter Whiting, Geoff Mansfield

Geological Society of Malaysia (GSM)

... accurate estimation of the diffraction surface. Conventional normal-moveout (NMO) is a second-order approximation to the true moveout curve...

2000

Unconventional Play Fracture Characterization Through Orthorhombic Depth Model Building

Guy Hilburn, Amit Pendharkar, William Keller, René Mott, Jorge Peinado, Austin Jumper, Victor Kriechbaum

Unconventional Resources Technology Conference (URTEC)

... velocity anisotropy can be seen in full azimuth seismic datasets as differential azimuthal moveout in image gathers. The typical seismic industry...

2018

Extracting Meaningful Estimates of Rock Properties from 3-D Anisotropic Velocity Models Derived from Borehole Microseismic

Scott Taylor, Jeremy King, Ben Schaeffer, Todd Hibbitts, Lucas McGreaham, Khaled Ghuneim

Unconventional Resources Technology Conference (URTEC)

..., velocities and earth models remain the key challenge for high confidence (low-risk) depth prediction. We need to extract more value from microseismic...

2016

Abstract: AVAZ and VVAZ Practical Analysis to Estimate Anisotropic Properties; #90224 (2015)

Yexin Liu

Search and Discovery.com

... and VTI anisotropy. One method is seismic travel-time variations or velocity variations with azimuth (VVAZ) from seismic offset-gathers and another...

2015

High-resolution elastic full-waveform inversion using ocean-bottom nodes in Santos Basin, Brazil

Marilia Carneiro, Nathalia Ladeira Casado, Juliana Igarashi da Cruz, Pedro Barros, Chirag Parekh, Emmanuel Saragoussi, Bernardo Quijano

International Meeting for Applied Geoscience and Energy (IMAGE)

...., 2010). The workflow incorporates residual moveout (RMO) multi-parameter picks from down going wavefield with 12 azimuth ranges covering the full 360...

2024

High-End Model Building Techniques for Revealing a Pre-Carbonate Reservoir Offshore East Natuna Basin, Indonesia

Jun Wang, Yonghe Guo, Yitao Chen, Muhammad Nauvall Juliansyah, Nick Crabtree

Indonesian Petroleum Association

... (FWI) is the natural choice for building velocity models in areas of complex structures. However, narrow-azimuth (NAZ) streamer data with limited offsets...

2023

Abstract: Practical Implementation of SRME for Land Multiple Attenuation; #90187 (2014)

Juefu Wang and Shaowu Wang

Search and Discovery.com

... higher moveout parameters in tau-p domain compared with primaries at the same time level (Hampson, 1987; Sacchi and Ulrych, 1995). A successful separation...

2014

Seismic Foldout: New plays in Southern Santos Basin revealed by large-scale, high quality 3D Multi-Client seismic

Milos Cvetkovic, Francisco Colina, TGS

GEO ExPro Magazine

.... For Fast Track model building, we are updating Vp model with reflection-based tomography using non-parametric moveout picker and invert for global, dip...

2024

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

Peter W. Cary, Albert Zhang

Search and Discovery.com

... moveout on the NMO-corrected gathers. The converted-wave prestack migration algorithm needs to account for the different intrinsic VTI anisotropy...

2015

Key Aspects of Multi-Azimuth Acquisition and Processing

James Keggin, Ted Manning, Walter Rietveld, Chris Page, Eivind Fromyr, Roald van Borselen, Mazin Farouki

Indonesian Petroleum Association

...Key Aspects of Multi-Azimuth Acquisition and Processing James Keggin, Ted Manning, Walter Rietveld, Chris Page, Eivind Fromyr, Roald van Borselen...

2008

Machine learning-based residual moveout picking

Farhad Bazargani, Wenjun Zhang, Anu Chandran, Zaifeng Liu, Harry Rynja

International Meeting for Applied Geoscience and Energy (IMAGE)

...Machine learning-based residual moveout picking Farhad Bazargani, Wenjun Zhang, Anu Chandran, Zaifeng Liu, Harry Rynja Machine learning-based...

2022

Hybridised Weighted Boot-Strap Differential Semblance

Hamish Wilson, Lutz Gross

Petroleum Exploration Society of Australia (PESA)

.... It requires the picking of moveout velocities on the semblance spectra. The semblance spectra is hampered with noise and lack of resolution around...

2016

P-Wave Azimuthal Anisotropy and Its Application in Sandstone-Conglomeratic in Yani Oil Field

Zha Chaoyang, Shen Shuirong, Hairunnisa, Xia Tianfang

Indonesian Petroleum Association

...). Geological Setting An AVAZ (amplitude vs. azimuth) feature has been successfully applied to detect fracture orientation and density. To quantitatively...

2008

Integrated Interpretation of Seismically Derived Rock and Fracture Attributes for Shale Gas Reservoir Characterization

Gang Yu, Yusheng Zhang, Xing Liang, Uwe Strecker, Maggie Smith

Unconventional Resources Technology Conference (URTEC)

... elliptical velocity inversion indicates that anisotropy varies horizontally and vertically, and that it is dominantly controlled by stress azimuth, which...

2014

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

Heloise B. Lynn

Search and Discovery.com

... the azimuth-dependent velocities and builds the ORT velocity field from the observed travel times. There are other methods for preserving azimuth...

2018

Pressure prediction using converted shear waves from OBN data: A rock physics approach

Prajnajyoti Mazumdar, Kevin Searles, Bjorn Olofsson, James Gaiser, Terence Krishnasami

International Meeting for Applied Geoscience and Energy (IMAGE)

... pressure prediction methods use P-wave velocities. While it is common to collect good quality shear wave data in deep-water assets such as ocean...

2023

Abstract: Azimuthal Anisotropy as a Potential Fracture Diagnostic from 3D Surface Seismic Data: Example from Wildcat Hills, Alberta; #90211 (2015)

Draga Talinga and Don Lawton

Search and Discovery.com

..., Alberta, Canada Abstract In azimuthally anisotropic media, normal-moveout velocity is represented as an ellipse in the horizontal plane...

2015

PS reflection-based full-waveform inversion using single-mode propagator

Yongbo Zhai, James Xu, James Rickett, Peng Wang, Xin Cheng, Denes Vigh, Suyang Chen, Cara Smith

International Meeting for Applied Geoscience and Energy (IMAGE)

... of weak TI anisotropy, we express the dependence of P and S velocities in terms of the angle from the symmetry axis (Thomsen, 1986): 𝑣 2 ≈ 𝑣 2 [1 + 2ε...

2024

Angle Gathers for Gaussian Beam Depth Migration, #41593 (2015).

Samuel Gray

Search and Discovery.com

... and rock properties. On common-midpoint (CMP) gathers of unmigrated data, this information has come from moveout and amplitudes. Moveout, the behavior...

2015

Monument Butte 3DReprocessing case study in Uinta Basin

Mitch Preston, Xinxiang Li, Seth Berman, Phillip Keith, Christopher Egger, Josef Heim, Nebojsa Pralica, David Brookes, James Beck

International Meeting for Applied Geoscience and Energy (IMAGE)

... amplitude and azimuth-friendly workflow. The sequence includes multiple iterations of surface consistent amplitude balancing and surface consistent...

2022

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