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The AAPG/Datapages Combined Publications Database
Showing 952 Results. Searched 195,697 documents.
Abstract: Seismic Detection of Cracks in Carbonates Associated with Potash Mining; #90171 (2013)
Zimin Zhang and Robert R. Stewart
Search and Discovery.com
... delay in PS reflection traveltime. 950 950 950 950 DawsonBay 1000 DawsonBay 1000 1000 1050 1050 1000 SecondRedBed PrairieEvaporite Depth (m...
2013
Enhancing Seismic Interpretation Using Crosswell Seismic: Case Study From Indonesia
Tri Handayani, Zeppy Irwanzah, M. Taslim, Sanjeev Dogra, Ajay Nalonnil, Bruce Marion, Pedro Carrillo Reyes
Indonesian Petroleum Association
...-precision velocity model for reflection imaging. The final reflection image product generated is in depth units. During the reflection imaging step, data...
2011
Seismic Stratigraphy of the Bahamas
John W. Ladd , Robert E. Sheridan
AAPG Bulletin
... to the Great Isaac well, we find the depth of reflection R to be 1,560 ± 100 m (1.34-sec two-way traveltime) and the depth of reflection P to be 1,930...
1987
Use of Seismic Surveying for Study of the Subsurface Structure of Southeast Turkmenistan
D. M. Mil’shteyn
Petroleum Geology: A Digest of Russian Literature
...) velocity of propagation of elastic vibrations increases gradually with depth, reflecting a corresponding increase in formation velocities...
1960
Simultaneous Joint Inversion of Electromagnetic, Gravity and Seismic Data for Thrust Belt and Sub-Basalt Imaging
Virgilio Massimo, Stephen Hallinan, Marco Mantovani
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... was applied in the framework of the depth imaging velocity model building workflow. Figure 3 shows the single domain MMT inversion; good for a regional...
2009
The use of FWI in coal exploration
Mehdi Asgharzadeh, Maryam Bahri, Milovan Urosevic
Petroleum Exploration Society of Australia (PESA)
... seismic images are of a high quality; issues with depth conversion, fault throw estimate, coal quality, presence of fractured and gassy zones, weak strata...
2018
Lithoprobe Basin-Scale Seismic Profiling in Central Alberta: Influence of Basement on the Sedimentary Cover
D.W. Eaton, B. Milkereit, G.M. Ross, E.R. Kanasewich, W. Geis, D.J. Edwards, L. Kelsch, J. Varsek
CSPG Bulletin
... to the increase in velocity with depth. Superimposed on the seismic traces are velocity logs and synthetic seismograms from three control wells (see Fig. 1...
1995
Abstracts: Seismic Anisotropy of the Marcellus Shale: Feasibility Study for Fracture Characterization; #90173 (2015)
James Gaiser, Alvaro Chaveste, Mary Edrich, Tony Rebec, and Richard Verm
Search and Discovery.com
... characterization of two principal crack densities, an infill fluid factor and isotropic background velocity is possible by inversion of NMO ellipses and zero...
2015
Origin of overpressure and pore-pressure prediction in the Baram province, Brunei
Mark R. P. Tingay, Richard R. Hillis, Richard E. Swarbrick, Chris K. Morley, Abdul Razak Damit
AAPG Bulletin
...-vertical effective stress plots. Acoustic traveltime is inversely related to porosity. Hence, sonic velocity-vertical effective stress data can also...
2009
Abstracts: Challenges and Solutions in Locating and Interpreting Microseismic Events from Surveys in the Horn River Basin; #90173 (2015)
Ulrich Zimmer
Search and Discovery.com
... away but has an apparent smaller depth uncertainty caused by the use of direct waves and headwaves for the localization. Assuming that the velocity...
2015
Abstract: Local Stretch Zeroing NMO Correction; #90174 (2014)
N. Kazemi and H. R. Siahkoohi
Search and Discovery.com
..., Series approximation in Velocity and traveltime computations: Geophys. Prosp., 21, 783-795. Brouwer, J. H., 2002, Improved nmo correction...
2014
Gated based quantum computer algorithm for geophysical inversion
Jorge E. Monsegny, Daniel Trad, Don C. Lawton
International Meeting for Applied Geoscience and Energy (IMAGE)
... calculations, only forward modelling, and residuals calculation. We illustrate the algorithm with a small instance of a traveltime tomography problem...
2023
River Seismic Operations in the West Siberian Lowland
A. K. Shmelev
Petroleum Geology: A Digest of Russian Literature
... reflected waves. Correlation is made without a correction for the depth of the shot hole or the low velocity zone because their absolute value is generally...
1960
Understanding The Mesozoics Beyond Basalt: A Case Study Of Sub-Basalt Imaging
S. Sengupta, S. K. Goswami, G. Menzel-Jones, B. Chowdhury, Artem Sazykin
Indonesian Petroleum Association
..., the diving-wave penetration was limited up to a maximum depth of 1.8 km. To update the deeper sections, a velocity scanning approach, and multiple passes...
2020
Abstract: Simplified Processing of Converted Wave Data; #90224 (2015)
John C. Bancroft and Thais Guirigay
Search and Discovery.com
... for all depths. The traveltime to a vertical array of conversion points, defined in depth, can be computed with conventional methods such as ray tracing...
2015
Extended Abstract: Using Crosswell Measurements to Enhance Velocity Model Calibration for Real-Time Microseismic Monitoring
Leah J. Hogarth, Conrad Kolb, Joël Le Calvez
GCAGS Transactions
.... Measurements of the velocity field, reflectivity, and attenuation provide crosswell products such as traveltime and attenuation tomography (e.g., Carrillo...
2016
AAPG Memoir 76, Chapter 13: Consolidation State, Permeability, and Stress Ratio as Determined from Uniaxial Strain Experiments on Mudstone Samples from the Eugene Island 330 Area, Offshore Louisiana
Beth B. Stump and Peter B. Flemings
AAPG Special Volumes
..., scientific results, v. 150: College Station, Texas, Ocean Drilling Program, p. 377–384. Bowers, G. L., 1994, Pore pressure estimation from velocity...
2001
Effective Data Denoising and Imaging in the Sanga Sanga PSC Using CRS Approach
Michele Buia, Paolo Marchetti, Amalia Setoputri, Teguh Nugraha
Indonesian Petroleum Association
.... It presents several advantages when compared to conventional stacking methods such as NMO/DMO stack; firstly it uses a traveltime moveout formula...
2008
Time-Lapse Seismic and Geomechanics
Martin Landrø, Lasse Amundsen
GEO ExPro Magazine
... that such stretching will reduce the P-wave velocity of the rock, and hence will introduce an overburden time shift. Guilbot and Smith (2002) used 4D...
2017
Seismic Wave Attenuation in Gas Hydrate-Bearing Sediments from Vertical Seismic Profiling Data, Mallik, Northwest Territories, Canada
Gilles Bellefleur
Search and Discovery.com
... ) z0 z z0 c(Z ) where W is the traveltime, ] is the depth, and c(Z ) is the complex velocity. Several models relate the complex velocity...
Unknown
Seismic Wave Attenuation in Gas Hydrate-Bearing Sediments from Vertical Seismic Profiling Data, Mallik, Northwest Territories, Canada
Gilles Bellefleur
Search and Discovery.com
... ) z0 z z0 c(Z ) where W is the traveltime, ] is the depth, and c(Z ) is the complex velocity. Several models relate the complex velocity...
Unknown
Combining high resolution modelling and one-way wave field extrapolation migration to image beneath a complex overburden: A case study from Porcupine Basin, Ireland
Partha Pratim Mandal, Weidi Koh, Julien Bluteau, David Laws, Jennifer Greenhalgh
Petroleum Exploration Society of Australia (PESA)
... The success of any depth velocity model building (VMB) process depends upon the quality of the input dataset. TECH TALK Figure 1: Map showing location...
2016
Abstract: A Listric Model of the Naga Thrust and Fold Belt, Assam, India;
Brandy Hawkins, Priyank Jaiswal, Jack Pashin, Caroline Burberry, Rahul Dasguta
Search and Discovery.com
... of traveltime tomography and pre-stack depth migraton to image the profile as a whole. Then, we imaged the fine-scale suprathrust structure using full...
Unknown
Late Cretaceous-Cenozoic Development of Outer Continental Margin, Southwestern Nova Scotia
Stephen A. Swift
AAPG Bulletin
... (1975) found paleocanyons on the upper rise, within the diapir province, Table 1. Interval Velocity and Depth Versus Traveltime Functions End_Page...
1987
1.2 Seismic Stratigraphy: 1.2.5 Clastics: Abyssal Sediment Waves
G. S. Mountain and B. E. Tucholke
AAPG Special Volumes
... 2. L-DGO Line 77 in two-way traveltime and in depth. The accompanying line drawing in time shows irregular discontinuous reflectors immediately...
1983