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The AAPG/Datapages Combined Publications Database
Showing 33,361 Results. Searched 196,128 documents.
4D Seismic Monitoring of Gas Production and CO2 Sequestration, North West Australia
David Lumley
Petroleum Exploration Society of Australia (PESA)
... seismic non-repeatable noise envelope (pink). Stiff rocks and fluids of similar compressibility produce weak 40 signals (lower left quadran t); soft rocks...
2010
Aspects of Seismic Resolution: Chapter 1
R. E. Sheriff
AAPG Special Volumes
... considerations. However, on migrated sections other factors become important, such as noise on the unmigrated section, spatial aliasing, migration aperture...
1985
Time Lapse Seismic for Reservoir Characterization
Rick Walia
Indonesian Petroleum Association
... help in assessing the effect of reservoir production from seismic data. The backbone of this technology involves the specialized 4D processing...
2005
Broadband Seismic Technology and Beyond: Part VIII: BroadSeis in Exploration
Lasse Amundsen, Martin Landrø, Vetle Vinje, Jo Firth
GEO ExPro Magazine
.... Conventional marine streamer acquisition usually lacks sufficient signal-to-noise ratio in the 2–7 Hz bandwidth due to streamer depth, streamer tow noise, source...
2014
Interpolation Using Higher Dimensions: A Case Study ON KE2 Three-Dimensional Transition Zone Seismic Survey, Madura Field, Indonesia
Cecep Sutisna, Frans Langitan, Vishal Kumar, Keat Huat Teng, Pongga Wardaya
Indonesian Petroleum Association
... the effect of source ghost and enhances the low frequency bandwidth. Pre-stack time migration helps to move the data to actual subsurface locations...
2015
Fluid Movement Monitoring Base on Time-Lapse Microgravity Anomali Data (Case Studies in Sumatra)
Dian Pratiwi, Muh. Sarkowi
Indonesian Petroleum Association
... at reservoir depth and noise. The time-lapse microgravity anomaly has a value of -132 μGal to 54 μGal. Positive anomalies are related to the injection...
2018
Electrical Methods: Part 7. Geophysical Methods
Arnold S. Orange
AAPG Special Volumes
.... Faulting or fracturing of porous sedimentary formations in most instances has little effect on the bulk average resistivity since the additional fracture...
1992
Abstract: Simple Wavefield Modelling to Evaluate the Low Frequency Artifacts in Reverse-Time Migration; #90224 (2015)
John C. Bancroft
Search and Discovery.com
... their effect on the cross correlation and subsequent filtering. Alternative methods of recovering the wavefield prior to the cross-correlation are also...
2015
Seismic Attribute Mapping in Carbonate Depositional Environment, Some Lessons from Case Studies; #41159 (2013)
F. Hong and E. Shipilova
Search and Discovery.com
... on each seismic trace in order to highlight stratigraphic limits). Low frequency components in spectral decomposition can provide some coherent noise out...
2013
Automating Petrophysics and Decline Curves Analysis for Performance Prediction at the Basin -Scale: Application to the Powder River Basin
Cameron Snow, Roland Gunther
Unconventional Resources Technology Conference (URTEC)
...: a. Select a random subset of EURs as the training data; b. Generate a set of engineering features using publicly available well metadata, such as lateral...
2020
Sedimentary History of Central California Shelf Sands as Revealed by Scanning Electron Microscopy
Charles E. Nordstrom, Stanley V. Margolis
Journal of Sedimentary Research (SEPM)
... that the two types are very similar. The finer shelf sands were not compared with the coarser sands in terms of roundness because of the effect of grain...
1972
Quantitative Mineralogical Characterization of Sandstones by Back-Scattered Electron Image Analysis
A. Dilks, S. C. Graham
Journal of Sedimentary Research (SEPM)
... by their row and column numbers in a 6 6 array. The random error in any single area measurement is determined by the noise level in the original analogue...
1985
Pebble Shape (and Size!)
Werner K. Illenberger
Journal of Sedimentary Research (SEPM)
... to the long, intermediate and short axes of one synthetic random data set and three sets of natural pebbles to extract the three fundamental factors...
1991
Enhancing Oil Recovery in Heterogeneous Reservoirs with CO2 Flooding: A Simulation Study
Hossam Ebaid, Moamen Gasser, Taha Yehia, Esuru R. Okoroafor
Carbon Capture, Utilization and Storage (CCUS)
... a recovery of 70.5 % compared to 61.7 % for Model 19. These two models also investigated the effect of random permeability, however model 18 had random...
2024
Machine-Learning Assisted Production Allocation Using a 3-D Full Field Geochemical Model of Produced Oils in the Eagle Ford and Austin Chalk of South Texas
Jason Jweda, Hui Long, Eric Michael
Unconventional Resources Technology Conference (URTEC)
... as a back check on grid system quality. Random TLG samples served as blind validation data. We identified a random forest ensemble regression algorithm from...
2021
The Development of Clast Fabric in Mudflows
John F. Lindsay
Journal of Sedimentary Research (SEPM)
... than one with small values. Thus, if collisions change the value of at random, the effect will favor particles with small values. SETTLING AND ITS...
1968
Seismic Hazard Evaluation of the Magna Tailings Impoundment
Ivan Wong, Susan Olig, Robert Green, Yoshi Moriwaki, Norm Abrahamson, Dale Baures, Walter Silva, Paul Somerville, Dick Davidson, Joergen Pilz, Bob Dunne
Utah Geological Association
... a maximum earthquake of MW 6 to the Saltair structure. Random Earthquake In 1975, a ML 6.0 earthquake occurred in Pocatello Valley, southeastern Idaho...
1995
The Comparison between Empirical and Data-driven Computation in Predicting CO and NOx Emissions from Gas-Turbine-Based Power Plant
Tristantyo Yoga Wicaksono, Mordekhai, Nadiyatur Rahmatikal Wasi'ah
Indonesian Petroleum Association
... Agreement in 2015, countries pledged to reduce the greenhouse gas effect including gas emissions to prevent and mitigate the global warming. The emissions...
2021
A Model-Based Diagnostic Workflow for Time-Rate Performance of Unconventional Wells
David S. Fulford
Unconventional Resources Technology Conference (URTEC)
... saturations due to fracture flowback and well clean-up effects. Random noise can mimic time-rate flow regime relationships. Interpretation difficulty...
2018
Polarising Pyrite
Paul Wood
GEO ExPro Magazine
... of pyrite. “There are several mechanisms leading to the induced polarisation effect. A key one is the formation of pyrite. This can be through direct...
2014
Borehole Gravity: Part 7. Geophysical Methods
Alan T. Herring
AAPG Special Volumes
... effect, in this case the edge of the reef complex which is within a few hundred feet. Density Logging Borehole gravity density measurements...
1992
Abstract: Areal 3-D Seismic Technique for Reservoir Delineation: Case History from Offshore Niger Delta, by A. O. Idowu; #90988 (1993).
Search and Discovery.com
1993
Abstract: Movable Oil Identification and Viscosity Estimation in Lower Fars Heavy Oil Reservoir – A Case Study, by Khalid Ahmed, Mansoor A. Rampurwala, and Girija S. Padhy; #90105 (2010)
Search and Discovery.com
2010