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Showing 63,003 Results. Searched 195,372 documents.
Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences
John Miller and Roland von Huene
AAPG Special Volumes
... have common midpoints at a common depth point (CDP). 3. Velocity analysis--applies the normal move-out (NMO) equation to the data using a series...
1986
Unlocking Potential Reservoir of Pre-Parigi Carbonate to New Opportunity Gas Field; A Case Study of Belut Structure - Offshore North West Java
Lambertus Fransisco Yulianus, Yasinta Dewi Setiawati, Sandra Radiansyah, Prawoto I. Syuhada
Indonesian Petroleum Association
... more precise horizon interpretation. 2. Depth converting was using layer cake velocity model by adding control wells SUM-1 and SUM-3 (12 km distance...
2018
Moho Topography Beneath the Alaska Range: Results from BEAAR - Abstract
Elizabeth Veenstra, Douglas Christensen
Alaska Geological Society
.../s and a mantle velocity of 8.2 km/s is used to calculate a suite of synthetic receiver functions using different interface depths; each stack...
2003
PSDM for Unconventional Reservoirs? A Niobrara Shale Case Study
Morgan P. Brown, Joseph H. Higginbotham, Dave List, Chris Lang
Unconventional Resources Technology Conference (URTEC)
... anisotropic PSDM. Azimuthal velocity analysis using Wave Equation PSDM (WEM) azimuth angle gathers indicates a very weak level of overburden azimuthal...
2013
PSDM for unconventional reservoirs? A Niobrara Shale case study; #80405 (2014)
Morgan P. Brown, Joseph H. Higginbotham, Cosmin Macesanu, Oscar E. Ramirez, Dave List, Chris Lang
Search and Discovery.com
... Niobrara to within 4 feet on a new well, but we show enough variation in Thomsen δ to justify anisotropic PSDM. Azimuthal velocity analysis using Wave...
2014
ABSTRACT: Porosity and Formation Pressure Prediction from Seismic Data, by Ruben D. Martinez; #91043 (2011)
Search and Discovery.com
2011
Abstract: Successful Imaging Below Salt: Technique and 2 Case Histories, by R. Marschall, H.-J. Zoch, C. Henke, M. Krieger, and F. Kockel; #90923 (1999)
Search and Discovery.com
1999
A Reasonable View of the Seismic Anomaly
R. W. Dudley
Tulsa Geological Society
... error with depth simple averages were taken every 500 feet using the points of control in each computation through a depth range of 1,000 feet...
1957
Transformation of Resistivity to Pseudovelocity Logs
Albert J. Rudman , Joseph F. Whaley , Robert F. Blakely , Maurice E. Biggs
AAPG Bulletin
... to anomalous drilling mud resistivities. Acheson, C. H., 1963, Time-depth and velocity-depth relations in western Canada: Geophysics, v. 28, p. 894-909...
1975
Mapping Seismic Reflectors in Southern New York: Compensation for Velocity Anomalies in Glacial Overburden: ABSTRACT
Katherine J. Beinkafner
AAPG Bulletin
... immediately above and below can be mapped using the travel times between reflectors and velocity analyses to calculate isopach information between reflectors...
1984
Geological Considerations during Microseismic Monitoring, Processing, and Interpretation of Hydraulic Fracture Treatment
J. Le Calvez, S. Hanson-Hedgecock, P. Primiero, T. Al-Wadhahi, O. Harrasi
Unconventional Resources Technology Conference (URTEC)
... a dip of 1.5-3o, 2439894 5 which was not included in the coarser velocity model. Using the dipped velocity model with finer blocking and smoothing...
2016
The Limitations of Seismic Modelling of Geological Structures
B. L. N. Kennett
Petroleum Exploration Society of Australia (PESA)
... and not require extravagent resources if they are to be cost effective. avoided by working with velocity logs digitised in depth, if the synthesis...
1985
Prospect De-Risking Through a Fully Integrated Approach from Seismic Processing to Geology Interpretation
Francois Baillard, Rajat Rathore, Zhengmin Zhang, David Gold, Safrin Arbi, Mat Hardenberg
Indonesian Petroleum Association
... is performed to quantify the residual mistie between horizon and markers in time and sub sequentially converted in depth using the vertical velocity (V0...
2017
Abstract: An Analysis of the Benefits of 3D Pre-Stack Time Migration (Paper 11)
Peter Whiting
Geological Society of Malaysia (GSM)
... is applied, after which the NMO velocities are refined. This is done because DMO (even though it is applied using only an approximate velocity) removes...
1996
A Comparative Study of Wave Equation Multiple Suppression to Conventional Tau-p Deconvolution and Radon Multiple Attenuation Methods
Kriyanti Setiyono, Ken H. Matson
Indonesian Petroleum Association
... of structure, the subsurface velocity profile, the hardness of the seafloor and the water depth. While WEMS does not depend on any subsurface properties...
2000
Establishing Novel Views on Reservoir Compartmentalization Utilizing Systematic Data-driven Seismic Processing Frameworks
Riaz Alai, M Afiq B Mokhtar, Jun Wang, Yonghe Guo, Ecep Suryana
Indonesian Petroleum Association
.... Aqrawi and Boe (2011) showcased improved fault segmentation using a dip guided and modified 3D Sobel filter. Based on these, Alai et al. (2014...
2019
Abstract: Full Waveform Inversion Algorithm using Time Imaging Methods; #90174 (2014)
Hassan Khaniani, John C. Bancroft, Gary F. Margrave, and Eric von Lunen
Search and Discovery.com
... (m) c) 3000 d) Figure 1: Numerical example FWI using PSTM imaging theory a) True velocity vs depth b) True velocity vs time c) starting velocity d...
2014
Acquisition and Ananlysis of Wide-Angle Reflection and Refraction Seismic Data
Paul L. Stoffa
Circum Pacific Council Publications
... to dip, although this is usually a minor effect when using Common Midpoint data (Diebold and Stoffa, 1981). Another difficulty occurs when velocity...
1989
FetKin: Coupling kinematic restorations and temperature to predict thrusting, exhumation histories, and thermochronometric ages
Ariel Almendral, Wilmer Robles, Mauricio Parra, Andrés Mora, Richard A. Ketcham, and Michael Raghib
AAPG Bulletin
... in the age profile. Hence, as a rule of thumb, hill slope angles should not exceed the dip of the steepest fault. Thermochronometer Calculations The design...
2015
Seismic Modeling and Expression of Common Fold-Thrust Belt Structures; #42266 (2018)
Jianjun Li, Shankar Mitra
Search and Discovery.com
... time and depth sections, and to avoid pitfalls in the seismic interpretation of natural structures. Modeling of seismic time sections using both post...
2018
Three Dimensional Exploration in California — A Case History
E. T. Selby
Indonesian Petroleum Association
... the interpreted stacking velocity analyses. The stacking velocity analyses. The stacking velocity functions were dip corrected and the smoothed at several key...
1977
Abstract: Modeling on the Cheap: Creating a 3D Seismic Velocity Model with Common Software and Free Data
Search and Discovery.com
N/A
Seismic Studies in the Church Rock Uranium District, Southwest San Juan Basin, New Mexico
William T. Phelps, Robert S. Zech, A. Curtis Huffman Jr.
AAPG Special Volumes
.... The velocity of the weathering layer was derived from the inverse slope of the direct arrival event; calculations were made along each line wherever...
1986
Incorporating refraction time-shifts into geophysical monitoring systems for monitoring shallow CO2 accumulations
Martyn Steel, Sjoerd A.L. De Ridder, Mike Branston, James Butt, Gabrielle Busanello
International Meeting for Applied Geoscience and Energy (IMAGE)
... that for a two-layer homogenous isotropic medium with increasing velocity with depth (Figure 1), that there is an observable refraction time-shift which can...
2023
DMO and NMO as Applied in Seismic Data Processing
Jiunnyih Chen
Geological Society of Malaysia (GSM)
... information for the NMO correction when the dip angle is large. This technique will be very effective compared to sole DMO, when the velocity changes...
1989