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The AAPG/Datapages Combined Publications Database

Showing 19,842 Results. Searched 196,436 documents.

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Abstract: Analysis of Time-lapse Multicomponent Seismic Data from a Potash Mining Area in Saskatchewan, Canada; #90174 (2014)

Andrew Nicol and Don Lawson

Search and Discovery.com

... Bay carbonates. Furthermore, interval velocity analysis shows an increase in Vp/Vs ratio indicating a decrease in shear wave velocity through...

2014

Abstract: Recent Advances and Future Challenges in Geopressure Prediction; #90211 (2015)

Alan Huffman

Search and Discovery.com

... simplistic estimates of the Earth’s velocity field. The advent of the effective stress concept and the pressure prediction methods that developed...

2015

Abstract: Full-Waveform Inversion by Multi-Scale Temporal Integration; #90255 (2017)

Pan Deng, Wei Huang, Hua-Wei Zhou

Search and Discovery.com

... and satisfies the wave equation through a temporal integrated source wavefield. The new method is validated using the Marmousi synthetic velocity model. Using...

2017

Abstract: Seismic Reservoir Characterization and Discrimination over 'Aib-EX' Oil Field, Niger Delta; #90255 (2017)

Sunday Olotu, Ibukun Olorunniwo, Olatunbosun Alao, Adekunle Adepelumi

Search and Discovery.com

... and discriminated reservoir element: shale, sandy-shale, shaly-sand, and sand (with respective GR counts and P-wave velocity of 110-130 API and 2400-3750 m...

2017

Abstract: Automatic Time Picking and Velocity Determination on Full-Waveform Sonic Logs; #90171 (2013)

Lejia Han, Joe Wong, John C. Bancroft, and Robert R. Stewart

Search and Discovery.com

...Abstract: Automatic Time Picking and Velocity Determination on Full-Waveform Sonic Logs; #90171 (2013) Lejia Han, Joe Wong, John C. Bancroft...

2013

Seismic Applications of the Velocity Log

W. G. Rimmer

CSPG Bulletin

... = rock velocity formation 2 = "incremental change in" Thus the amplitude of the wave reflected from any incremental change in acoustic impedance...

1960

Results of Seismic Surveying with Surface Sources of Excitation in the Pripyat Depression

A. L. Kauzov, I. B. Krylov, A. I. Luginets, I. I. Rotfel’d

Petroleum Geology: A Digest of Russian Literature

...; longitudinal wave velocity in the sandy-clayey sediments here is 440-500 m/sec. The rocks beneath the low velocity zone are water-bearing sandstones...

1976

ABSTRACT Monitoring CO2 Injection with Seismic and EM Methods, #90104 (2010)

Shalek Kyle; Cox Kyle; Daniels Jeffrey J.

Search and Discovery.com

... supercritical CO2 has on the velocity and  density of the units, is showing the following: 1) a decrease in P‐wave velocity until CO2 saturation reaches...

2010

Abstract: Application of Viscoacoustic Full Waveform Inversion to Shallow-Water, Shallow-Gas Data; #90246 (2016)

Xin Cheng, Ronan Petton, Ian Anstey, Wai-Leong Lai, Denes Vigh, Gavin Menzel-Jones

Search and Discovery.com

... to fully resolve the compartmentalized nature of the gas bodies, a wave equation-based method to derive the Earth model is required. Many current...

2016

Abstract: Sensitivity Analysis and Application of Time-lapse Full Waveform Inversion: Synthetic Testing, and Field Data Example for Monitoring An Underground Gas Blowout, The North Sea, Norway; #90254 (2016)

Hadi Balhareth, Martin Landro

Search and Discovery.com

... conventional P-wave reflection methods. However, the utilization of refracted energy for time-lapse studies has lagged behind typical methods due, in part...

2016

Abstract: A Comparison of 3D Azimuth-Angle Domain Common Image Gathers using Poynting Vector and Optical Flow Methods; #90254 (2016)

Young Seo Kim, Constantine Tsingas

Search and Discovery.com

... to estimate the accuracy and reliability of background velocity models used in prestack depth migration. Also, ADCIGs can provide information during...

2016

Abstract: Reducing Fault-related Structural Uncertainties by Ranking Models using Seismic Data Misfit Functions; #90286 (2017)

Modeste Irakarama, Gabriel Godefroy, Paul Cupillard, Guillaume Caumon, Paul Sava

Search and Discovery.com

... GeoRessources, Universit´e de Lorraine / CNRS / CREGU, ENSG, Vandoeuvre-l`es-Nancy, France Center for Wave Phenomena, Colorado School of Mines, Golden, CO...

2017

A Critical Review of Data Quality and Content Applied to FWS and Similar Tools

M. Wiltshire

Petroleum Exploration Society of Australia (PESA)

... velocities, resulting from compaction, dominate the velocity profile. If combined with other log data, detailed S and P wave velocity data, measured...

2004

Tackling data challenges in land FWI: A case study

Victor Lopez, Yun Dong Guo, QingYang Li, Bin Yu, Changhua Zhang

International Meeting for Applied Geoscience and Energy (IMAGE)

... significant improvements to the velocity and seismic imaging were achieved. 4. Reflection Tomography. The initial velocity model was created using well...

2023

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