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The AAPG/Datapages Combined Publications Database
Showing 604 Results. Searched 200,673 documents.
Detailed geophysical measurement of Vs30 for municipal building-code enforcement throughout Las Vegas Valley, Nevada, USA
Aasha Pancha, John N. Louie
International Meeting for Applied Geoscience and Energy (IMAGE)
... Valley term a Parcel Mapping program. Shear-wave velocity as a function of depth was measured at each of more than 10 000 locations using the refraction...
2022
Technique and Methods of Geophysical Exploration in Canada
A. I. Bogdanov
Petroleum Geology: A Digest of Russian Literature
... of the elements of attitude is made according to a given analytical law of change of velocity with depth. One such instrument serves five parties...
1959
High-density 3D acquisition technology and its application in dual-complex low S/N ratio area
Yongguo Wu, Zhenhua He, Di Wu, Yongsheng Wang, Duorong Zhang, Xinxin Cai
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the velocity, depth, refraction and reflection information from the mark layer, taking into account of both low- and high-frequency. The static correction...
2022
Porosity Mapping Using Seismic Interval Velocities, Natuna L–Structure
D. R. Eyles, J. A. May
Indonesian Petroleum Association
... in seismic depth and velocity prediction, and the additional uncertainty of the velocity-porosity crossplot relationship. This experience leads us...
1984
Imaging and fold comparison of mirror reverse time migration vs. interferometric imaging for VSP data
Liwei Cheng, James Simmons, Ali Tura
International Meeting for Applied Geoscience and Energy (IMAGE)
... purposes, reflection points are shown with a 50 m depth spacing in Figures 3a and 3b. The 1-D velocity model is extracted from the well location...
2022
Full-waveform inversion and FWI imaging for land data
James Sheng, Cristina Reta-Tang, Faqi Liu, Alfredo Vzquez Cant, Alejandro Cabrales Vargas
International Meeting for Applied Geoscience and Energy (IMAGE)
..., they argued that even elastic inversion, which should better describe land seismic data, is prone to inaccurate P-wave velocity-depth estimations...
2022
Modeling Production and Prospectivity in the Austin Chalk to Optimize Well Placement, Productivity and Completion Design
Sean Boerner, Rohit Singh, Ross Peebles, Jessica Garvin, William J.E. Holt
Unconventional Resources Technology Conference (URTEC)
... envelope HTI Interval velocity Depth Phase Sweetness Structural attributes such as: Incoherence Incoherence Fault Scan Kshape Kmaxmag...
2013
The Application of Image Processing Techniques for Complex Structures
V. Sudhakar, I. T. McMahon
Indonesian Petroleum Association
... in interval velocity with depth, the DMO operator used is based either on a time-invariant or time-variant DMO algorithm. To some extent the velocity...
1987
Research of high-precision depth interpretation method for low-amplitude offshore reservoir and its application in C oilfield, Bohai Bay Basin
Wenbin Li, Jianli Wang, Zhenglong Zhang, Heng Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... to fast lateral velocity change, poor quality of seismic velocity, time-depth conversion only based on velocity interpolation of several existing...
2022
Constrained tomography for improved presalt elastic full-waveform inversion
Yaofeng He, Xu Li, Young Ho Cha, Partha Routh, Inma Dura-Gomez, Carey Marcinkovich
International Meeting for Applied Geoscience and Energy (IMAGE)
... building (VMB) is a critical step for accurately imaging subsurface structures with seismic prestack depth migration. More importantly, the derived velocity...
2022
Application of combined inversion of lithofacies and impedance based on rock physical constraints in sandstone characterization in Liaodong Bay of Lvda area
Xun Liu, Wei Gao, Huihuang Tan, Yu He
International Meeting for Applied Geoscience and Energy (IMAGE)
... lithofacies of p-and s-wave velocity and density of the depth of the trend to replace traditional sequence framework under the constraint of well...
2022
High-frequency FWI velocity model building for hydrocarbon delineation
Lianping Zhang, Souvik Sengupta, Chirag Parekh, Robert Eliott-Lockhart
International Meeting for Applied Geoscience and Energy (IMAGE)
... northwest Australia integrating high-frequency full-waveform inversion (FWI) to derive a high-resolution velocity model to reduce depth uncertainty...
2022
Chapter 8: Evaluation of Anomalous Pressuring and Gas Saturation Using 2-D and 3-D Visualizations of Well Log Information
Zun S. Jiao, Ronald C. Surdam
Montana Geological Society
... with depth in normally compacted sections. In most cases, the normal increase of velocity with burial tends to mask velocity anomalies...
1997
Structure of Extensionally Rifted Crust Beneath the Western Ross Sea and Iselin Bank, Antarctica, from Sonobuoy Seismic Data
A. K. Cooper, F. J. Davey, G. R. Cochrane
Circum Pacific Council Publications
..., within layers at depth. Linear velocity gra dients have been described previously for sonobuoy seismic data from the Eastern basin and Central trough...
1987
Eikonal equation-based adjoint-state characteristic reflection traveltime tomography: Method and application in real dataset
Jianming Zhang, Liangguo Dong, Jianhua Wang, Yilin Wang, Chao Huang
International Meeting for Applied Geoscience and Energy (IMAGE)
... in advance. The inaccurate reflector depth leads to incorrect velocity inversion owing to the inherent velocity-depth coupling. To solve...
2023
Integrated Analysis of Petani Gas Sands in Selected Fields Central Sumatra
S. D. Jenkins, Hendar S. M., E. J. Kodl
Indonesian Petroleum Association
...). Loss of high frequencies within and below the gas zone. Figure 4 shows the type of velocity-depth crossplots used to differentiate between tight/wet...
1994
Depositional Sequences in Glaciolacustiline Deltas
Thomas C. Gustavson, Gail M. Ashley, Jon C. Boothroyd
Special Publications of SEPM
... e similar a n d w h e r e deposition occurs u n d e r sirnilar flo1v conditions. I t is t h e f l ~ l c t ~ ~ a t i oin s n discharge, velocity, depth...
1975
Processes, Bar Morphology, and Sedimentary Structures on Braided Outwash Fans, Northeastern Gulf of Alaska
Jon C. Boothroyd, Gail M. Ashley
Special Publications of SEPM
... caused by short-term weather changes. Flow Conditions ls Velocity and depth of flow in c h a n ~ ~ e were 14 12 0 10 I ,8 Lr 2 6 - V) 0 ? O N...
1975
Geoscience Applications to Economic Development of a Relatively Shallow, Low Gravity, Structurally Complex Eagle Ford Oil Development, Atascosa County, Texas
Lee Billingsley, Bill, Layton, Luke, Finger
Unconventional Resources Technology Conference (URTEC)
... seismic data set over the field area requires drastic geologic assumptions in order to accurately convert to depth. Velocity values based on the drilling...
2015
A new system for efficiently acquiring vertical seismic profile surveys
Tim Dean, Nghia Nguyen, Brenton Armitage, Huw Rossiter
Petroleum Exploration Society of Australia (PESA)
... error allowed to achieve a velocity error of 1%, whilst Figure 3b shows the velocity error resulting from different depth interval errors assuming...
2018
The Seismic Facies of a Delta Onlapping an Offshore Island: Fraser River Delta, British Columbia
Harry M. Jol, Michael C. Roberts
CSPG Special Publications
... (AGC) and gain tapers. The depth scale was calculated from a velocity-depth function determined by uphole seismic surveys in boreholes in the southern...
1988
Full Waveform Inversion on Bekapai Field: A Game-Changer Technology for Our Seismic Imaging Workflows
Magali Beele, Clement Fleury, Claudio Strobbia, Muhammad-Thurisina Choliq, Jacques Bonnafe, Gilles Vallon
Indonesian Petroleum Association
... traces. CGG provides the initial velocity model obtained by merging the OBC fast-track pre-stack depth migration (PSDM) velocity model...
2014
A preliminary assessment of uncertainties attributed by analysts, array types and processing algorithms for microtremor observations, via the COSMOS Blind Trials
Michael W. Asten, Alan Yong, Sebastiano Foti, Koichi Hayashi, Antony Martin, William J. Stephenson, John F. Cassidy, Jacie Coleman
Petroleum Exploration Society of Australia (PESA)
... the problem posed by the directional source, thus interpretations of the velocity-depth profile were severely in error. The same three representative...
2019
3D Seismic Visualization Using Multiple Volume Data Sets
Antony J. Marsh, Andy Furniss, Gerald Kidd
Indonesian Petroleum Association
... to be in the same domain (i.e. time or depth). The pre-stack depth migration was scaled to the time domain using the velocity-depth model constructed...
2000
Fault Shadow Issues and Resolution in Model and Real Data
Andrew J. Davidoff, Ika Ratna Novianti
Indonesian Petroleum Association
... in depth. The velocity model was built using the layer-by-layer depth interval velocity modeling technique and iterative Pre-SDM. Applying the more...
2002