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The AAPG/Datapages Combined Publications Database

Showing 6,935 Results. Searched 195,387 documents.

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Abstract: VSP-driven Model Building for Converted Waves Processing; #91204 (2023)

Ali Shaiban, Hussain Nassir, Mohammad Tayeb, Hussain Aldhaw

Search and Discovery.com

... of surface seismic converted waves data. We propose to use VSP data to estimate the velocity for converted waves, from P to S waves, in an area...

2023

Seismic HC Reservoir Prediction: A (Critical) Review on the Determination of Lithological Parameters from Seismic Data

Burkhard Buttkus

Geological Society of Malaysia (GSM)

... the problems in estimating physical parameters from seismic data. In principle, we do not explore for seismic velocity or impedance...

1985

Improving Depth Prediction Accuracy of Quantified Drilling Hazards

W. Scott Leaney, William H. Borland

Geological Society of Malaysia (GSM)

... Ib/gal = 2.4 gmIcc; 0.7 psi/ft = 14 Ib/gal = 1.68 gmIcc). ESTIMATING GEOPRESSURE If formation fluids are impeded from escaping upwards due to low...

1996

True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)

M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin

Indonesian Petroleum Association

... considered to be important for the model (Fig. 7). The initial depth velocity model was built from a Vrms field available from previous time processing...

2011

Formation Porosity and Fluid Content from Velocity Logs

E. R. Denton

CSPG Bulletin

...Formation Porosity and Fluid Content from Velocity Logs E. R. Denton 1956 79 93 Vol. 4 (1956) No. 4. (April) A velocity log may be interpreted...

1956

Pore-Pressure Prediction in the Permian Basin Using Seismic Prestack Inversion

Colin Sayers, Lennert den Boer

Unconventional Resources Technology Conference (URTEC)

... estimates of VP / VS from AVO inversion to help reduce the impact of variations in lithology. URTeC 52 3 Method An example of sonic-based velocity-to-pore...

2019

Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)

John C. Bancroft and Thais Guirigay

Search and Discovery.com

... a prestack time migration. The velocity field of the subsurface is now defined with stacking or RMS type velocities. These velocities are much less sensitive...

2015

Marine Multicomponent Seismic – The New Issues in the Developing Revolution

Jason Robinson

Indonesian Petroleum Association

.... There are several techniques for the combination of signal from the hydrophone and vertical geophone to eliminate the water bottom multiple. The lower velocity...

2002

Velocity for Pore Pressure Prediction Modeling and Risk Assessment

Selim Simon Shaker

GCAGS Transactions

... of Petroleum Geologists Memoir 76, Tulsa, Oklahoma, p. 177–215. Bowers, G. L., 1994, Pore pressure estimation from velocity data: Accounting...

2016

Abstract: Estimating the Spectra of Small Events for the Purpose of Evaluating Microseismic Detection Threshholds; #90174 (2014)

N. Ackerley

Search and Discovery.com

... be approximated for a broad range of lithology given the S-wave velocity using the rule proposed by Gardner (1974), , where the S-wave velocity is expressed...

2014

2D Seismic Refraction Tomography Survey on Metasediment at a Proposed Development Site in Dengkil, Selangor

Umar Hamzah, Abd Rahim Samsudin

Geological Society of Malaysia (GSM)

... processed using an OPTIM software to produce sections of 20 velocity model profiles. Results show P-wave velocity of clayey silt (SPT=3-11) is ranging from...

2006

Permian Basin Seismicity: Looking Backwards, Moving Forwards, #11082 (2018).

Diane Doser, Mark Baker

Search and Discovery.com

... at seismic wavelengths from well log data -Velocity inversions from surface data face problems since only estimating horizontal velocities...

2018

The Use of Seismic Data in Predicting the Abnormal High Pressure Zone for Exploration Drilling in Pertamina Unit E.P. III Working Area

Basuki Puspoputro

Indonesian Petroleum Association

... of Vi, or too high Vs. Vi obtained from seismic stacking velocity is much higher compared to the one obtained from either well velocity survey...

1983

Abstract: Estimating Reservoir Thickness from Seismic Using Enhanced Stockwell Transform; #90319 (2018)

Sami Awfi, Yi Luo, Nasher M. AlBinHassan

Search and Discovery.com

...Abstract: Estimating Reservoir Thickness from Seismic Using Enhanced Stockwell Transform; #90319 (2018) Sami Awfi, Yi Luo, Nasher M. AlBinHassan AAPG...

2018

Full Wave Acoustic Logging: Some Examples

John W. Minear

Southeast Asia Petroleum Exploration Society (SEAPEX)

.... Porosity-Lithology Determination Velocity ratio and Δtp may be used to estimate both lithology and porosity from acoustic information only. Thus, full-wave...

1984

Abstract: Salt Shape Tomography; #90254 (2016)

Patrice Guillaume, Olivier Hermant, Stanislaw Warzocha

Search and Discovery.com

... of velocity up to approximately 6 Hz but have difficulty estimating the position and amplitude of strong velocity contrasts. Using tomography to determine...

2016

An Integrated Approach to Development of an Unconventional Play: Geosteering Operations in the Wolfcamp of the Southern Delaware Basin

Jennifer Hernandez, J Alexandra Sloan, John Terwilliger

Unconventional Resources Technology Conference (URTEC)

... within the Wolfcamp section, as inferred by the seismic stacking velocity. Both of these factors may cause erroneous structural exaggeration to appear...

2017

Earth crustal analysis of Northwest Sabah region inferred from receiver function method

Abdul Halim Abdul Latiff, Faridah Othman

Geological Society of Malaysia (GSM)

...). From the 1-D velocity models inferred from receiver function inversion, the subsurface structural framework and velocity anomalies within the crust...

2020

Abstract: To TTI or not to TTI? Semi-Automated 3D Tomographic Velocity Analysis in the Canadian Foothills: A Case History; #90211 (2015)

Sylvestre Charles, David Mitchell, Rob Holt, Jiwu Lin, and John Mathewson

Search and Discovery.com

... used a Tau-P refraction tomography, with constraints derived from up-hole times. The Tau-P model provided us with a more convincing near-surface velocity...

2015

Abstract: Full Waveform Inversion with Phase Encoded Deconvolution Imaging Condition; #90224 (2015)

Wenyong Pan, Kris Innanen, and Gary Margrave

Search and Discovery.com

... [email protected] Summary Full waveform inversion (FWI) is a very important method for estimating the subsurface parameters. While it suffers from extensively...

2015

The Geophysical Aspects of Abnormal Fluid Pressures

Edward B. Reynolds, John E. May, Alf Klaveness

Houston Geological Society

... velocity departures from the normal trend in a predominantly sand-shale section are generally good indicators of undercompacted and overpressured...

1971

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