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The AAPG/Datapages Combined Publications Database
Showing 604 Results. Searched 200,673 documents.
Sweet Infill Well Locations Prediction Using Multiple Supervised and Unsupervised Machine Learning Models
Mochammad Naufal Septifiandi, Ferdiansyah Rahman, Muhammad Husni Mubarak Lubis
Indonesian Petroleum Association
... in g/cm^3 Compressible Velocity Depth-wise Numerical in m/s Youngs Modulus Depth-wise Numerical in GPa Shear Velocity Depth-wise Numerical in m/s Shear...
2023
Geophysical Reconnaissance on African Shelf: I. Cape Town to East London
R. Leyden , M. Ewing , E. S. W. Simpson
AAPG Bulletin
... of our survey line the velocity-age correlation cannot be based solely on depth of burial. Agulhas Arch Profiles 218-221 are on the southwestern flank...
1971
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
... study, we evaluate how velocity model building strategy affects imaging in the Canadian Foothills Thrust Belt. Two depth imaging processing techniques...
2015
RhoVe Method II: Empirical Density-Temperature-Effective Stress Transform, #42300 (2018).
Matt Czerniak,
Search and Discovery.com
...), and density-VES family of curves, which are the actual applications applied to a well of interest. At no time is the virtual velocity-depth or density...
2018
Geodynamic Model of the Subandean Zone in Alto Beni Area, Bolivia
Dietrich Roeder
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... the PeruChile trends. It shows the trench and the Nazca oceanic plate subducted eastward, with andesites rising from the depth zone around 150 Km. Sediments...
1982
The Raven Field: Planning for Success
Jane Whaley
GEO ExPro Magazine
..., Western and BP’s Exploration Production Technology Unit, to look at parameters such as adaptive summation, azimuthal velocity and depth migration...
2008
Slide Rule Seismic Computations
Robert H. Mansfield
Oklahoma City Geological Society
... a wide range of possible velocity functions. The circular ray path obtained by using a linear increase of velocity with depth provides a rather accurate...
1958
Presentation of a Velocity Mis-Tie
W. B. Robinson
Oklahoma City Geological Society
... "Standard" survey method which has been in use for the past 25 or 30 years. Average velocity to any depth = Z ÷ T. Interval velocity between any two...
1961
Workstations Promise New Life for Geology
Ted Moon
GEO ExPro Magazine
... and interpretation tools, which include velocity and depth conversion applications. However, the software has been spec ifically targeted...
2012
A Simple Guide to Depth Conversion: Part I
Ashley Francis
GEO ExPro Magazine
... Reservoir Sources of Velocity Measurements Seismic reflection data records the two-way travel time (TWT) to a reflection event from the surface. Depth...
2018
2-D and 3-D Prestack Depth Migration for Complex Geologic Structures Offshore Indonesia
M. Murphy, R. Ottolini, R. Estill, E. Lumadyo, M. Mathias
Indonesian Petroleum Association
... due to more accurate interval velocities and structural geometry resolution. 3-D prestack depth migration provides better migration velocity analyses...
1996
Improvement of Seismic Tomographic Imaging by Downward Continuation and Modified SIRT
Teuku A. Sanny, D. Santoso, D. Dahrin, Fatkhan, Alfian B.
Indonesian Petroleum Association
... drastically if we reconstruct the image by BPT as an initial model. Using prior knowledge of the velocity and depth, the Downward Continuation Principle...
1996
Refraction tomography at the Nova Ni-Cu mine
Ian James, Graeme Hird, Andrew Fitzpatrick
Petroleum Exploration Society of Australia (PESA)
... are applied to account for the near-surface variations in refractor velocity and depth. This was performed using several methodologies, from layer-based...
2019
A Comparison of Depth-Conversion Methods in the Gulf of Mexico
Melvan D. Carter, Gary R. Hyatt
GCAGS Transactions
...-conversion error as a function of layer, depth and space. While the results cannot be generalized blindly, the seismic average-velocity technique...
1990
Lithologically Controlled Pore Pressure Prediction and Geomechanical Modeling Using Probabilistic Multivariate Clustering Analysis and an Expert System
Alan A. Curtis, Eric Eslinger, Randy Nickerson, Siva Nookala, Francis Boyle
Unconventional Resources Technology Conference (URTEC)
... referred to as the “LVP” (Lithology-based Velocity and pore Pressure) routine. However, it is rare that wireline logs are recorded over the full depth...
2019
Structural and Tectonic Evolution of Oceanic Crust within the Jurassic Quiet Zone, Offshore Morocco: Chapter 14: African and Mediterranean Margins
James S. Holik, Philip D. Rabinowitz
AAPG Special Volumes
... velocity with depth than in the zones where they are not observed. This result is consistent with a volcanic or carbonate origi for the unit where high...
1992
Abstract: A Research Project Documenting the Pressure History of an Overpressured Basin - Application to Deep Water Pressure, by R. E. Swarbrick; #90923 (1999)
Search and Discovery.com
1999
Extended Abstract: Subsalt Imagery Of The Dumre Area, Ionian Basin, Albania. , #90099 (2009)
Anne Jardin, Luan Nikolla, François Roure
Search and Discovery.com
... model was built integrating on one hand, all velocity and depth data coming from shallow and deep wells, and on the other hand, adapted velocity...
2009
Abstract: Trace Interpolation and Elevation Statics by Conjugate Gradients; #90172 (2014)
Marcus Wilson, Robert J. Ferguson
Search and Discovery.com
... is computed using an assumed velocity model and the wavefield at depth is derived using weighted damped least squares. This method is used to correct common...
2014
Abstract: Integrated Geophysical Characterization of the Near-Surface at Priddis, Alberta; #90224 (2015)
J. Helen Isaac, Lei Zhi, Don C. Lawton, and L. R. Bentley
Search and Discovery.com
... data and calculated refraction statics using a generalized reciprocal method inversion algorithm (Palmer, 1981). The near-surface velocity-depth...
2015
Origin and Distribution of Overpressure in the Northern Malay Basin, #41103 (2012)
Mark Tingay, Chris K. Morley, Andrew Laird, Orapan Limpornpipat, Kanjana Krisadasima, Hamish Macintyre, Suwit Pabchanda
Search and Discovery.com
...-Effective Stress Plots Porosity Pressure Porosity-' or sonic velocity at depth of maximum burial Lithostat Fluid isolation depth \ i...
2012
AVO Modeling of Monochromatic Spherical Waves: Comparison to Band-Limited Waves; #41567 (2015)
Charles Ursenbach, Arnim Haase
Search and Discovery.com
... frequency, overburden velocity and depth. The weighting function is analytic and may be readily programmed in terms of these three variables...
2015
Simultaneous Joint Inversion of Seismic and Gravity Data for Long Offset Pre-Stack Depth Migration in Northern Oman, #41569 (2015).
D. Colombo, M. Mantovani, M. De Stefano, D. Garrad, Hussain Al Lawati
Search and Discovery.com
... of Bouguer anomaly) for improving velocity model building and the corresponding depth-domain seismic image. Introduction Effective depth imaging through...
2015
A Southern North Sea Multi-Survey preSDM using Hybrid Gridded Tomography, #41592 (2015).
Ian Jones, Emma Evans, Darren Judd, Alan Campbell, Steve Elam
Search and Discovery.com
... by vertical compaction gradients (velocity increasing with depth), controlled by de-watering, with isovelocity contours sub-paralleling the sea bed...
2015
Depth Prediction Ahead of the Bit: A Case Study from the Singa-1 Discovery Well, South Sumatra
Mark Crawley, David Ginger
Indonesian Petroleum Association
.... Banik, N.C., 1984, Velocity anisotropy of shales and depth estimation in the North Sea basin: Geophysics, 49, 1411-1419. Hardage, B.A., 1983, Vertical...
1998