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)

... attenuation and phase distortion could significantly impact the velocity model building and obscure and dim the imaging under the gas clouds. Visco-acoustic...

Imaging Solutions for Geophysical Challenges in South East Asia (Paper A13)

N. El Kady, Z. Mohd Dom, Y. Prasetyo, M. Bayly, G. Nyein, P. Vasilyev, N. Mat Don Ya

Geological Society of Malaysia (GSM)

... building techniques have become increasingly complex, shifting towards the derivation of “earth models”. The “earth model” not only includes interval...

Timing of Deformation in Overthrust Belt and Foreland of Idaho, Wyoming, and Utah: DISCUSSION

James G. Schmitt

AAPG Bulletin

... ago and which are currently in progress. Wiltschko and Dorr attribute deposition of the Late Triassic Timothy Sandstone and Higham Grit in eastern...

ABSTRACT: The Use of Structural Modelling in the Simulation of Naturally Fractured Reservoirs: An Example from the Tarija Basin, South American Andes as an Analogue for Algerian Atlas Uplift Reservoirs; #90016 (2003)

Stuart Bland, Carlo Sanders, Massimo Bonora, Alan Gibbs

Search and Discovery.com

.... The derivation and understanding of fracture attribute data is complex with fractured reservoirs having many additional barriers to correct examination...

Abstract: Oil Sands Reservoir Characterization: An Integrated Approach; #90171 (2013)

Laurie Weston Bellman

Search and Discovery.com

... and is therefore a good lithology indicator. In this process I incorporate an estimate of density obtained from seismic using a multi-attribute analysis approach3...

Evaluation of Naturally Fractured Reservoirs in Indonesia Using Formation Imaging and Sonic Logs

William H. Borland, Richard E. Netherwood, Sanggam Hutabarat, Dedi Juandi, Leo Anis, Hari Kurniawan, Ramsin Eyvazzadeh

Indonesian Petroleum Association

... and Stoneley "acoustic" aperture derivation. Stoneley fracture aperture requires fracture dip, available from electrical/ultrasonic imager...

Middle Miocene Paleogeography of Coastal Southern California and the California Borderland „ Evidence from Schist-Bearing Sedimentary Rocks

Charles J. Stuart

Pacific Section SEPM

... and associated mineral and rock grains in sedimentary rocks of this region (Stuart, 1976) indicates derivation from a spatially unique basement rock type...

Explanatory Text: Derivation of the Geothermal Temperature Gradient

Arne J. Aadlan, Rudy S. K. Phoa

Indonesian Petroleum Association

...Explanatory Text: Derivation of the Geothermal Temperature Gradient Arne J. Aadlan, Rudy S. K. Phoa 1981 6 7 Derivation of the Geothermal Gradients...

Abstract: Strontium Isotope Stratigraphy: LOWESS Version 2. A Revised Best-Fit Line to the Marine Sr-isotope Curve for 0 to 206 Ma, with a Revised Look-Up Table for Derivation of Numeric Age, by J. M. McArthur and R. J. Howarth; #90937 (1998).

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Moment tensor inversion of perforation shots using distributed acoustic sensing

Milad Bader, Robert G. Clapp, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

...Moment tensor inversion of perforation shots using distributed acoustic sensing Milad Bader, Robert G. Clapp, Biondo Biondi Moment tensor inversion...

Accurate simulations of pure P-waves in attenuating transversely isotropic media

Qiang Mao, Jianping Huang, Xinru Mu

International Meeting for Applied Geoscience and Energy (IMAGE)

... wave equations have low accuracy because the approximations are adopted in the derivation of the wave equation. In this paper, starting from the exact...

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)

... processes. This data exhibits a strong vertical compressional acoustic velocity change between the younger clastics and the harder, older basement...

All Eyes are on Denmark

William Reid, Emily Kay, Karen Romand

GEO ExPro Magazine

... was built using automatic picking and gridded tomography as well as using full wavefield inversion (FWI) and key horizons at strong impedance boundaries...

Resolving Multiphase Fractions in Horizontal Wells Using Speed of Sound Measured with Distributed Acoustic Sensors and a PVT Database

Peyman Moradi, Brian Seabrook, Neal Adair, Ricardo Garza

Unconventional Resources Technology Conference (URTEC)

...Resolving Multiphase Fractions in Horizontal Wells Using Speed of Sound Measured with Distributed Acoustic Sensors and a PVT Database Peyman Moradi...

Onshore–offshore correlations of Cretaceous fluvial-deltaic sequences, southern Baltimore Canyon trough

William J. Schmelz, Kenneth G. Miller, Gregory S. Mountain, James V. Browning, and Kimberly E. Baldwin

AAPG Bulletin

.... S. Mountain, M. A. Bassetti, D. Monteverde, M. E. Katz, J. Inwood, J. Lofi, and J.-N. Proust, 2013a, Sequence boundaries are impedance contrasts: Core...

Halokinetic rotating faults, salt intrusions, and seismic pitfalls in the petroleum exploration of divergent margins

Carlos L. Varela, Webster U. Mohriak

AAPG Bulletin

... amplitudes (Figure 2). The presence of salt bodies encased in clastic sediments is generally characterized by strong positive acoustic impedance...

Rock Physics of Fractured Carbonates

Lev Vernik, Alan Mur

International Meeting for Applied Geoscience and Energy (IMAGE)

... elastic velocity or impedance space. Results Using a database consisting of six different wells in a known fractured reservoir, we calibrated both...

Chapter Nine: Characterization of Thin-Bedded Turbidites in the North Brae Field, South Viking Graben, North Sea

Bayonle A. Omoniyi, Dorrik A. V. Stow, Andy R. Gardiner

AAPG Special Volumes

... of TBT and VTBT facies in a variety of deep-water architectural elements. Combination of the attributes enables derivation of four attribute indices...

Towards understanding the impact of the evanescent elastodynamic mode coupling in Marchenko equation-based demultiple methods

Marcin Dukalski, Christian Reinicke, Kees Wapenaar

International Meeting for Applied Geoscience and Energy (IMAGE)

... in 1-D acoustic media, however it needs to be expanded to account for the presence of 2- and 3-D elastodynamic wavefield phenomena, such as compressional (P...

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A Risk-Reduction Recipe Using Frequency-Based Pore Pressure Predictions from Seismic

Roger A. Young, Robert D. LoPiccolo

GCAGS Transactions

... the control well are predicted. Figure 1 illustrates the seismic processing flow, going from raw velocities to pore pressures. The derivation...

Assessing The Stratigraphic Variations In Geomechanical Properties Of The United Kingdom Bowland Shale Using Wireline And Seismic Data: How Could These Guide The Placement Of Lateral Wells?

Iain Anderson, Jingsheng Ma, Xiaoyang Wu, Dorrik Stow, John R. Underhill

Unconventional Resources Technology Conference (URTEC)

... and faulting will likely influence its geophysical behavior and impact seismic processing, interpretation and attribute inversion. Finally, the structural...

Spatiotemporal relationships of deep-marine, axial, and transverse depositional systems from the synrift Upper Jurassic of the central North Sea

Adam D. McArthur, Adrian J. Hartley, Stuart G. Archer, David W. Jolley, and Hugo M. Lawrence

AAPG Bulletin

... depth ∼76 m [250 ft]). Seismic lines are displayed such that a downward increase in acoustic impedance is represented by a trough (black...

Abstracts: Padé Approximation for Analyzing Multiple Reflections; #90173 (2015)

Dali Zhang, Michael P. Lamoureux, and Gary F. Margrave

Search and Discovery.com

... a derivation of reflection and transmission coefficients in layered media which are related to infinite impulse response (IIR) filters as a rational...