Q-land Enters Australia: Overview of a Seismic Survey Pilot Study in the Cooper Basin

Tim Bunting

Petroleum Exploration Society of Australia (PESA)

... spectrum is 3 dB down) of t he seismic energy is 11 -84 Hz, effectively limiting the delivery of low frequency energy in the sou rce signature. The Q...

Long Period Long Duration Seismic Events During Hydraulic Stimulation of a Shale Gas Reservoir, #40761 (2011)

Indrajit Das, Mark D. Zoback,

Search and Discovery.com

... tube waves that propagate along the monitoring well from the heel toward the toe with a velocity along the borehole of ~1.5km/s. The tube waves...

Well Log Analysis and Seismic Attenuation in a Heavy Oilfield: Ross Lake, Saskatchewan; #20294 (2015)

Zimin Zhang, Robert Stewart

Search and Discovery.com

... values and rock properties can be seen from these curves. Generally, high attenuation corresponds to low velocity, high porosity and high Vp/Vs, and vice...

Breakthrough Business Opportunities in the Oil Industry for YPs and Small TeamŽ Geoscientists; #70325 (2018)

Susan Nash

Search and Discovery.com

... Learning Today • Storing, accessing, and processing data across wide spectrum of possibilities (cloud-based, distributed) • Instantaneous access at low...

Modified Residual Migration

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

...: Removing the restrictions on depth-varying velocity: Geophysics, 53, 881–893. Black, J., and Brzostowski, M., 1990, High-dip time migration: 60th Ann...

Abstract: Full Waveform Inversion of Borehole Data in the Presence of High-Velocity Screens; #91204 (2023)

Ali Aldawood, Andrey Bakulin, Fuqiang Chen

Search and Discovery.com

...Abstract: Full Waveform Inversion of Borehole Data in the Presence of High-Velocity Screens; #91204 (2023) Ali Aldawood, Andrey Bakulin, Fuqiang Chen...

ABSTRACT: Sandstone Exhumation Effects on Velocity and Porosity: Perspectives from the Ferron Sandstone, by R. D. Jarrard and S. E. Erickson; #91021 (2010)

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Abstract: Near-surface Velocity Characterization through 3D Joint Inversion of Seismic Travel-Times and Gravity Data, by D. Colombo, D. Rovetta, and E. Sandoval Curiel, #90188 (2014)

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Estimation of Migration Velocity by Forward Modelling of Old Seismic Stacks

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Processing and Interpretation Considerations for Full Waveform Inversion of PSDM Velocity Fields

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ABSTRACT: Hidden Structure Revealed by a Simple 3D Velocity Model„McAllen Ranch Field, Hidalgo County, Texas; #90117 (2010)

Richard C. Bain

Search and Discovery.com

...ABSTRACT: Hidden Structure Revealed by a Simple 3D Velocity Model„McAllen Ranch Field, Hidalgo County, Texas; #90117 (2010) Richard C. Bain Hidden...

Abstract: Geostatistics and Gradient-Based Structure Coupling for Integration of Uphole Data with Tomography; #91204 (2023)

Ersan Turkoglu, Daniele Colombo, Ernesto Curiel, Hala Alqatari

Search and Discovery.com

... and detailed near-surface velocity models. Tomographic or full waveform inversions provide detailed velocity models but accuracy of these models at very...

Prestack 3-D TAU Migration and Velocity Analysis: Focusing 3-D data from Offshore Abu Dhabi

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Application of Sequential Offset Technique in Full Waveform Inversion; #42598 (2025)

Binggang Wang

Search and Discovery.com

..., Hebei, China Introduction Full waveform inversion technology is a precise modeling technique for velocity inversion that is becoming increasingly...

Sedimenit Gravity Flows

Gerard Middleton, John B. Southard

Special Publications of SEPM

.... The grains are falling relative to the fluid at a velocity w, so in order to keep them in suspension the fluid must be lifting them at the same rate...

A recipe for practical iterative LSRTM with synthetic and real data examples from Brazil

Valeriy Brytik, Gopal Palacharla, Rishi Bansal, Diwi Snyder, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Dmitriy Pavlov, Carey Marcinkovich

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the amplitude and phase spectrum and appropriate offset (or angle) selection of the input data, the results could be interpreted as broad-band...

Underwater Study of Ripples, Southeastern Lake Michigan

Richard A. Davis, Jr.

Journal of Sedimentary Research (SEPM)

... of the spectrum with respect to common ripples. Crests are rounded and generally not distinct from troughs. In cross section they appear almost the same when...

Seismic Processing Applications on a Personal Computer

Geophysical Service (Malaysia) Sdn. Bhd.

Geological Society of Malaysia (GSM)

... now be performed on a PC workstation include refraction modelling, vertical seismic profiling (VSP) and velocity modelling for CDP stacking. Before we...

Permian glacial paleo-valley identification and characterization using geometrical attributes and 2D forward modelling

Leticia Itzel Flores-Sanchez, Michael LeStrat, Robert H. Richards

International Meeting for Applied Geoscience and Energy (IMAGE)

.... This ilustrates the pull-up effect at the Ordovician level due to the high velocity on the Permian sands. From this model and the relationship of velocity...

Estimating elastic wave velocities, attenuation factors, and their frequency dependency by inverting ultrasonic waveforms

Michel M. Nzikou, Alexey Yurikov, Maxim Lebedev, Boris Gurevich

International Meeting for Applied Geoscience and Energy (IMAGE)

... by distortion of waveforms caused by frequency dependent attenuation and velocity dispersion. These difficulties can be overcome by using viscoelastic...

Applications of near-field hydrophone data imaging in a shallow water environment: A case study from offshore Egypt

Mahmoud El-Attar, Omar Hossam, Azat Kireev, Arindam Kanrar, Usama Fathy Abdel-Kader, Kai Zhang, Jacob Deeds, Jordan Hassler

International Meeting for Applied Geoscience and Energy (IMAGE)

... data guides traditional processing steps, with benefits such as improved multiple attenuation, a more precise velocity model and better identification...

High Resolution Seismic Data Derived From Prestack Inversion and Machine Learning to Accurately Position Horizontal Wells in the Midland Basin, Texas

Robert Meek, Buzz Davis, Hector Bello

Unconventional Resources Technology Conference (URTEC)

... including acoustic impedance, shear impedance, p-wave velocity, s-wave velocity, Young’s modulus, Poisson ratio, brittleness, and critical strain...

Abstract: Pre-survey Planning for Microseismic Monitoring Projects; #90174 (2014)

Brad Artman, Ben Witten, and Brad Birkelo

Search and Discovery.com

... from the source equal to the depth of the source for this constant velocity example. In a medium where velocity increases with depth, the surface...

Abstract: Inverse Scattering Series Internal Multiple Attenuation: A Western Canada Case Study; #90224 (2015)

Frederico Xavier de Melo, Murad Idris, Jason Gardner, Jill Woods

Search and Discovery.com

... such as known velocity field and generating horizons. Adaptive subtraction is employed to match the predicted model with the internal multiples present...

Applications of Broadband Land Seismology; #70253 (2017)

Zhang Ruijie

Search and Discovery.com

..., Accurate velocity, Anisotropy, PSTM/PSDM. Low frequency technology 15-20 August 2010 Review the value and challenges of frequencies below what...