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The AAPG/Datapages Combined Publications Database
Showing 43,214 Results. Searched 195,364 documents.
Australian Insights into Streamer Technology Innovations
Andrew Long
Petroleum Exploration Society of Australia (PESA)
...-coincident manner d uring At maximum frequency, the signal is impedance information. Thus, a bridge is made 2008: w ith a convent ional source array...
2009
Turbulent Flow
Gerard Middleton, John B. Southard
Special Publications of SEPM
... the molecules have a greater downchannel velocity in the region above a given shear plane than below it, molecular exchange across the plane tends to even...
1984
Seismic Acquisition in the Papuan Fold Belt: A New Approach
G. S. Hill, S. J. Price, M. S. Foster, R. W. Stephenson, D. Ellis, J. A. Lyslo
Papua New Guinea (PNG) Petroleum Convention Proceedings
.... The sonic velocity of the exposed ‘fresh’ rock, determined from the difference in direct arrival times across the array from a shot fired on the pad...
1996
3D Seismic from Planning to Mapping
A. Kullerud, O. Nipen, H. E. Nordberg
Indonesian Petroleum Association
... to a notch in the frequency spectrum and maximum response will be midway between the zero frequency and the notch frequency. Given the above...
1985
Abstract: Comparative Study on 2D Microseismic Source Location with Synthetic Seismograms Recorded by Borehole- and Surfacereceiver Arrays; #90224 (2015)
Anton Biryukov, Simon G.E. Harvey, and Giovanni Grasselli
Search and Discovery.com
... is investigated. The computational domain is represented by a rectangular 2000 m × 2000 m homogenous isotropic medium with a given velocity model...
2015
Abstract: Achieving a Broadband Seismic Image: a 3D Dispersed Source Array Case Study; #91204 (2023)
Mohammed Almubarak, Woodon Jeong, Constantinos Tsingas
Search and Discovery.com
... the sweep length and/or the utilization of special and custom designed sweeps have been attempted. Alternatively, dispersed source array (DSA...
2023
Future of Microseismic Analysis: Integration of Monitoring and Reservoir Simulation, #40784 (2011)
Leo Eisner, Vladimir Grechka, Sherilyn Williams-Stroud
Search and Discovery.com
...: better quantification of event locations along with the velocity model, and improved understanding and calibration of the type of rock failure...
2011
Recommendations From Error Analysis of Single Well Microseismic Data With Full-Wavefield Moment Tensor Inversion: A Case Study
Juan M. Lorenzo, Trudy L. Watkins, Arash Dahi Taleghani
Unconventional Resources Technology Conference (URTEC)
...hetic seismogram calculation utilizes this anisotropic velocity model and the moment tensor inversion assumes an isotropic velocity model. Three of the test...
2017
Quantitative Self-Verification, a Breakthrough in Ultrasonic Metering Technology
Gregor J. Brown, Ross Johnston
Australian Petroleum Production & Exploration Association (APPEA) Journal
... diagnostics. A partial list of such higher-level diagnostics is given below: • Path-to-path SOS comparisons • Relative gain comparisons • Velocity profile...
2023
Effective Use of High Density VSP Measurements to Predict Pore Pressure and Estimate Mud Weight Ahead of Drilling in the Mahakam Delta, Indonesia
Mohammed Badri, Stephane Gazet, Gregoire de Tonnac
Indonesian Petroleum Association
... are affected by the effective stress in a given basin. Using the seismic velocity wavefield in 3D volume, overpressure can be mapped using appropriate pore...
2005
Kinematics and Growth of Supra-Salt Systems: A Field and Subsurface Analysis, Paradox Basin, #30515 (2017).
Elizabeth Horne, Bruce Trudgill
Search and Discovery.com
... and temporal evolution of the fault array. Fault linkage analyses such as: fault throw-length (T-L); throw-distance (T-x); throw-depth (T-z...
2017
Geophysical Techniques Used in Petroleum Exploration in the Ying Ge Hai Area, Zhanjiang, SW Guangdong Province, China
L. William Edwards
Circum Pacific Council Publications
... traces, on-line demultiplexing, a 2,400 m to 3,600 m cable, 10 to 15 m group intervals and a high-volume-tuned airgun array. Computer-assisted acoustic...
1989
Risks of Microseismic Fracture Mapping Mis-interpretation: Source-Dependent Sensitivity Induced by Surface Arrays Observational Bias
Pierre-Francois Roux
Unconventional Resources Technology Conference (URTEC)
...tch array designed using the aforementioned velocity model (Figure 4). Figure 4: surface network used. Each square is a patch composed of 48 tra...
2017
High-resolution imaging using least-squares migration in the image domain (LSMi) for a marine distributed acoustic sensing (DAS) 3D-VSP
Ali Sayed, Francesca Twynam, Ran Bachrach, Maud Cavalca, Leo Leon, Maria Shadrina, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist
International Meeting for Applied Geoscience and Energy (IMAGE)
... operator combines the action of forward modelling and migration for a given acquisition geometry and subsurface velocity model. It is estimated...
2023
Seismic Applications of the Velocity Log
W. G. Rimmer
CSPG Bulletin
... much of the apparent structures could be due to velocity anomalies. While there can be no final answer to this question until a well is drilled...
1960
Three-Dimensional Antidunes as HCS Mimics in a Fluvial Sandstone: The Pennsylvanian South Bar Formation Near Sydney, Nova Scotia
Brian R. Rust, Martin R. Gibling
Journal of Sedimentary Research (SEPM)
... antidunes as flow velocity decreased downfan. We therefore conclude, as did Allen (1966, 1984) and Barwis and Hayes (1985), that given the right depth...
1990
The Global Offset Seismic Approach: Improving Seismic Imaging In Complex Geological Settings
Paolo Dell'Aversana
Petroleum Exploration Society of Australia (PESA)
... in order to perform robust inversions of first arrivals, near vertica l and wide angle reflections. The output i s a reliable parametric model (velocity...
2004
Stratigraphic Velocity Interpretation: National Petroleum Reserve--Alaska: Chapter 12
E. W. Peikert
AAPG Special Volumes
...-primary and primary events. Mathematical or interpretative smoothing of Vint estimates from a number of velocity gathers within a selected radius of a given...
1985
Surrounding Rock Influence Correction for Array Laterolog Responses with Borehole Eccentricities in Horizontal Wells
Search and Discovery.com
N/A
Modified Residual Migration
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
... is T. Since the migrated time TD depends on dip, equation (2) is a dip-dependent calculation of residual velocity. For a given dip, D, equation (2) uses...
1992
Petroleum Geologist and Exploration Geophysicist: Co-Ordination and Seismic Velocity
John D. Hale
CSPG Bulletin
... or lithologic unit can result in a change of seismic velocity either or vertically within this unit. The main apparent physical property that contributes toward...
1956
Mainstream Mantle Convection: A Geologic Analysis of Plate Motion
T. H. Nelson , P. G. Temple
AAPG Bulletin
.... We have also assumed that both the maximum mainstream velocity and the mainstream-velocity gradient are constant for any given mainstream latitude...
1972
Basics of Resistivity Tools - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2
Hezhu Yin
AAPG Special Volumes
...’s equation To compute a laterolog response numerically for a given electrode array and distribution of resistivities involves the solution...
2011
Abstract: Uncertainty in Surface Microseismic Monitoring; #90187 (2014)
Michael Thornton, Mike Mueller, and Leo Eisner
Search and Discovery.com
... are computed, assuming a known velocity field. The recorded d a t a traces are then summed a c r o s s the array along the diffraction curves...
2014
Uncertainty in Surface Microseismic Monitoring; #41258 (2013)
Mike Mueller, Michael Thornton, and Leo Eisner
Search and Discovery.com
... are then summed across the array along the diffraction curves for the entire trace length. This beamformed trace forms a continuous estimate...
2013