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The AAPG/Datapages Combined Publications Database
Showing 34,490 Results. Searched 200,663 documents.
Adventures in Pre-Stack Depth Migration; #110121 (2010)
James Allen
Search and Discovery.com
... is the faultshadow, exposed by Tucker and Yorston in 1971, where strong velocity contrasts across faults can produce time maps that do not correspond...
2010
Crustal thickness and velocity structure of southern Peninsular Malaysia
Abdul Halim Abdul Latiff, Amin Esmail Khalil
Geological Society of Malaysia (GSM)
... of 0.4, the 1st inversion step allow a validation process of H-k stacking analysis, by locating the sudden velocity increase in both P and S velocity...
2018
Abstract: AVAZ Inversion for Anisotropy Parameters of a Fractured Medium; #90174 (2014)
Faranak Mahmoudian, Gary F. Margrave, and Joe Wong
Search and Discovery.com
... has a strong effect on all seismic wave propagation aspects; it causes shear wave splitting, azimuthally-dependent NMO velocity, and amplitude...
2014
Estimating Stimulation-Zone Anisotropy Effects During Microseismic Monitoring
Martin Karrenbach, Steve Cole, Victor Yartsev
Unconventional Resources Technology Conference (URTEC)
... valuable velocity anisotropy estimates in-situ throughout the entire fracturing operation in time and space. It may be possible to determine time-lapse...
2015
Automation of Logging While Drilling Formation Testing: A Step Ahead Towards Digitalization
Saunil Rajput, Arvind Kumar, Poorna Venkata Sai Teja Nukala, Vaibhav Deshpande, Velerian Sanjao Lopes
Unconventional Resources Technology Conference (URTEC)
... continuous activity among service providers, any time saving achieved for generating such deliverables, has a multiplier effect in terms of efficiency...
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
... shown in black. Seismic Stacking velocity Figure 9 Overpressure zone Interval velocity, computed using Dix Time-Depth, computed using Dix - Seismic...
2005
The Sediment Budget Estimator (SBE): A process model for the stochastic estimation of fluxes and budgets of sediment through submarine channel systems
Joris T. Eggenhuisen, Mike C. Tilston, Christopher J. Stevenson, Stephen M. Hubbard, Matthieu J.B. Cartigny, Maarten S. Heijnen, Jan de Leeuw, Florian Pohl, Yvonne T. Spychala
Journal of Sedimentary Research (SEPM)
... location over time it cannot be quantitatively defined in a time-averaged structure of a turbidity current, where the velocity and concentration...
2022
Velocity Conditioning for an Improved Depth Conversion, #40743 (2011)
Ang Chin Tee, M. Hafizal Zahir, M. Faizal Rahim, Nor Azhar Ibrahim, Boshara M. Arshin
Search and Discovery.com
... on the construction of a debiased velocity grid calibrated with a number of velocity functions. Introduction Seismic two-way reflection time (TWT...
2011
Poststack Processing Steps for Preconditioning Seismic Data; #42399 (2019)
Ritesh Kumar Sharma, Satinder Chopra
Search and Discovery.com
... in the data. A more desirable application is of structure-oriented filters applied to seismic data, which has the effect of enhancing laterally...
2019
Calibration Equations for Settling Tubes: RESEARCH-METHOD PAPER
Richard E. Chapman
Journal of Sedimentary Research (SEPM)
... time. The median velocity was then computed, and the geometric mean (the mid-point of the 1/4-phi interval) was taken as the characteristic dimension...
1981
Preliminary Coal Resources and Geologic Report on Properties Owned by Great National Corp. (Nevada) Located in Leflore Co., Oklahoma and Sebastian Co. Arkansas: September, 1979
Dale V. Dalton, Bryan L. Watts
Oklahoma City Geological Society
... for surface mining in areas previously mined. Coal datum points provide evidence of thickness, composition, continuity, depth and attitude of the coal...
1982
Integrated Workflows for Drilling Optimization and Enhanced Production
Jakob Heller, Venkatesh Anantharamu, Andrew Lewis, Bruce Karr, Ron Bianco
Unconventional Resources Technology Conference (URTEC)
.... Spectral balancing step was performed to reduce the effects of frequency loss due to increased transmission distance in far offsets and NMO stretch...
2023
Subsurface Surveillance in Low Permeability Oil Reservoir at Tanjung Field Barito Basin South Kalimantan
Trisakti Kurniawan, Bambang Prasetiyo, Darwin Tangkalalo
Indonesian Petroleum Association
... available for the mixing but only two methodologies are considered, Xu-White (1995) and Berryman (1992) selfconsistent methods. The choice of method...
2010
Shear Fault-bend Folding
John Suppe, Christopher D. Connors, Yikun Zhang
AAPG Special Volumes
...). The time section of Figure 19 was depth converted by use of a heterogeneous depth stretch based on a smoothed velocity model that incorporates velocity...
2004
Integrated reservoir characterization of low resistivity thin beds using three-dimensional modeling for natural gas exploration
Lim Yen Jun, Lo Shyh Zung
Geological Society of Malaysia (GSM)
... scenario is observed (Herron, 2011). For example, push down effect of velocity sag effect for gas pockets and “eyeball” anomaly for high porosity zone...
2018
Integrating borehole image logs with core: A method to enhance subsurface fracture characterization
F. Fernández-Ibáñez, J. M. DeGraff, and F. Ibrayev
AAPG Bulletin
...; Zoback, 2007). This temperature effect is also time-dependent. The longer a rock is in contact with wellbore fluid, the greater the distance from...
2018
A Breakthrough in the Seismic Exploration Result on Small Oil Fields
G. Valeev, R. Enikeyev, T. Shestoukh
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... from velocity analysis so far as the hyperbolic approximation has been proved for the CCP time distance curves in 3 INTERPRETATION A common place...
2004
Potential Field Data Guided Seismic Forward Modelling of Basement Structures: A Case Study from Offshore Nile Delta Basin
Said Hanafy, Shastri L. Nimmagadda, Sharaf Eldin Mahmoud
Petroleum Exploration Society of Australia (PESA)
..., magnetic and stacking velocity responses The time values associated with mud line (shallowest blue reflector) are increasing towards north-eastern part...
2016
Induced seismicity hypocentral depth stability and sensitivity to Vp/Vs in the South Delaware Basin, West Texas
Alexandros Savvaidis, Anthony Lomax, Robin Dommisse, Caroline Breton, Matthew Shirley, Vincent OSullivan
International Meeting for Applied Geoscience and Energy (IMAGE)
... determinations. Depth determination is greatly complicated in the Delaware basin by the presence of the shallow, high seismic velocity, Ochoan salt...
2022
ABSTRACT: Pore pressure prediction from seismic data for well planning in Block 22 Final
M. Bacon, N. Mundel, J. Hearne, R. Lubbe and S. O’Connor
Geological Society of Trinidad & Tobago
... velocity; this captures the increase in uncertainty with decreasing interval thickness inherent in the Dix formula, but not the effect of possible...
2007
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
...Extended Abstract: Using Crosswell Measurements to Enhance Velocity Model Calibration for Real-Time Microseismic Monitoring Leah J. Hogarth, Conrad...
2016
ABSTRACT: Interpretation Problems in Areas with Complex Structure: Examples Based upon Seismic Forward Modelling and Processing, by D. Waltham, K. R. McClay, X. T. Wang; #91020 (1995).
Search and Discovery.com
1995
Deep-water fan hierarchy: assumptions, evidence, and numerical modeling analysis
Ibrahim Tinni Tahiru, Peter M. Burgess, Christopher Stevenson
Journal of Sedimentary Research (SEPM)
... is the velocity of the flow at the previous time step, a is the flow acceleration, and ∅ is the flow acceleration proportion, taken to be 0.5. The flow...
2024
Structure of Argentine Continental Margin
William J. Ludwig , John I. Ewing , Maurice Ewing
AAPG Bulletin
... unreported. In Ewing et al. (1963), time-stratigraphic units were assigned tentatively to the velocity-structure sections determined for the Rio Salado...
1968
Second-Order Accommodation Cycles and Points of “Stratigraphic Turnaround”: Implications for High-Resolution Sequence Stratigraphy and Facies Architecture of the Haynesville and Cotton Valley Lime “Pinnacle Reefs” of the East Texas Salt Basin.
R. K. Goldhammer
West Texas Geological Society
... accommodation packages (s 1 and 2). Each exhibits systematic vertical stacking patterns and associated lateral facies shifts within subordinate third-order...
1998