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The AAPG/Datapages Combined Publications Database
Showing 34,457 Results. Searched 200,357 documents.
Geologically Constrained Seismic Imaging in Andean Thrust Belts, #42530 (2020).
Rob Vestrum,
Search and Discovery.com
... a better understanding of the subsurface velocity structure, and are therefore more delicate and sensitive to velocity errors. Unfortunately, complex...
2020
Web-Based Technologies for Real-time Directional Survey Quality Improvement
Jarrod S. DeVerse, Stefan Maus
Unconventional Resources Technology Conference (URTEC)
... (i.e. Δ B total, Δ Dip, and Δ G). The expected errors in B total, Dip, and G total are computed based off the same assumptions made by the tool code...
2016
Velocity Dispersion and Attenuation in Vibroseis Data
L. Flora Sun
Search and Discovery.com
... data are preferred because transmission seismograms are often easier to analyze than reflective (surface) seismograms. The effect of velocity dispersion...
Unknown
Velocity Dispersion and Attenuation in Vibroseis Data
L. Flora Sun
Search and Discovery.com
... data are preferred because transmission seismograms are often easier to analyze than reflective (surface) seismograms. The effect of velocity dispersion...
Unknown
Field Technique Design for Seismic Reflection Exploration
L. R. Denham
Dallas Geological Society
.... The minimum wavelength component is determined by a reflection’s apparent dip and frequency spectrum. Since wavelength equals apparent velocity divided...
1982
Velocity as a Problem in Mississippi
R. R. Phillips
GCAGS Transactions
... and be thoroughly familiar with the regional gradient. VELOCITY GRADIENT: We all use some form of time-depth curve, table or Brachistrochrone, in reducing our...
1951
Abstract: Multiattributes and Seismic Interpretation of Offshore Exploratory Block in Bahrain A Case Study; #90254 (2016)
Suresh Thampi, Aqeel Ahmed, Yahya Al-Ansari, Ali Shehab, Ahmed Fateh, Anindya Ghosh, and Ghada Almoulani
Search and Discovery.com
... velocity models and depth conversion to overcome these challenges and better understand the subsurface structures. Seismic attribute analysis was carried...
2016
Maturation of Sediments Near Horizontal and Inclined Salt Sheets
K. Carter, I. Lerche
GCAGS Transactions
... m thick and 2000 m long buried to a depth of 2000 m moving horizontally at 100 m/Ma velocity. The dominant effect on maturity of the sediments...
1990
The Compressional Off-Structure Problem
R. E. Bischke
Houston Geological Society Bulletin
... that contains a steeper western limb and a more shallow eastern limb. Limb dips are confirmed by the surface dip data (Fig. 2a). At a depth of 1200 ft the well...
1994
Pre-Stack Imaging: Time or Depth? (Paper 25)
Carl Notfors, Peter Whiting, Geoff Mansfield
Geological Society of Malaysia (GSM)
... they handle lateral velocity variations. The depth algorithm comprehends any lateral velocity variation whereas the time algorithm assumes local...
2000
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)
... section is determined after intersecting the channel margins with channel depth. D) The bank angle is set to 10° throughout this paper. Velocity...
2022
Effect of near offset seismic data in shallow subsurface modeling using full-waveform inversion
Md Iftekhar Alam, Salman Abbasi
International Meeting for Applied Geoscience and Energy (IMAGE)
... are documented to show the effect of velocity gradient on the depth of investigation with variable model dimensions. Three model dimensions were compared from...
2024
QUICK LOOK TECHNIQUES: A Method for Predicting Thick Sand Intervals from Seismic Sections
Subsurface Consultants & Associates, Inc.
Houston Geological Society Bulletin
... depth using vintage seismic data The resolution of the method is primarily dependent on the ability of the interpreter to pick changes in fault dip...
1994
Sediment Movement in Relation to Current Velocity
Henry W. Menard
Journal of Sedimentary Research (SEPM)
.... Experimental errors inolved in these determinations of velocity have been found to be less than about three per cent (Menard, 1949.) COMPETENT VELOCITY...
1950
An automatic velocity picking method based on object detection
Ce Bian, Weifeng Geng, Ping Yang, Pengyuan Sun, Guiren Xue, Haikun Lin
International Meeting for Applied Geoscience and Energy (IMAGE)
... of Exploration Geophysicists and the American Association of Petroleum Geologists REFERENCES Biswas, R., and M. K. Sen, 2018, Stacking velocity estimation...
2022
Oriented Core: Its Use, Error, and Uncertainty
R. A. Nelson , L. C. Lenox , B. J. Ward, Jr.
AAPG Bulletin
...° in strike, ± 1 3/4° in dip direction, and ± 2½° in dip magnitude. The multiple analysts had reproducibility errors of ± 4° in strike, ± 3 3/4...
1987
Optimized stacking of migrated offset vector tiles for Tengiz PSDM image enhancement
Tianjiang Li, King Sim Lee, Bin Gong, Kai Yang, Kai Zhang, Assem Bibolova, Zhanibek Katrenov
International Meeting for Applied Geoscience and Energy (IMAGE)
...Optimized stacking of migrated offset vector tiles for Tengiz PSDM image enhancement Tianjiang Li, King Sim Lee, Bin Gong, Kai Yang, Kai Zhang, Assem...
2022
Abstract: Innovative Multi-Method Steering Approach To Optimize A Challenging Thin Reservoir Well Injectivity; #90319 (2018)
Magdi Bazara
Search and Discovery.com
... was the target for a successfully injector well in this field. Challenges to the landing of such a well includes depth, thickness, and dip uncertainties...
2018
Seismic Interpretation of the Casper Arch Thrust, Tepee Flats Field, Wyoming
R. Randy Ray, Charles R. Berg
Rocky Mountain Association of Geologists
... of the high velocity overthrust Precambrian granite as a result of velocity pull-up effect. Skeen and Ray (1983) interpreted the crest of the Tepee Flats...
1985
5D Interpolation Adds Value at the Drill Bit for a Texas 3D Seismic Survey
K. Rene‘ Mott, William Keller, Mike Perz
GCAGS Transactions
... that other reprocessing steps such as careful velocity analysis have had a material effect on image improvement. After final processing, the resulting PSTM...
2016
Normal Geothermal Gradient in United States: DISCUSSION
Alfred C. Lane
AAPG Bulletin
... to the pure instrumental error than to the geological and physical factors: the errors are assumed to vary inversely as the square root of the depth...
1935
Abstract: The Correlation of Bulk Density, Porosity and Velocity of Cores from Varies Depth in CTW-1 Well of Kati Formation in UTP Campus, Seri Iskandar, Perak, Malaysia
Norsyafiqah Binti Salimun, Abdul Ghani Rafek, Khairul Arifin Mohd. Noh
Geological Society of Malaysia (GSM)
...Abstract: The Correlation of Bulk Density, Porosity and Velocity of Cores from Varies Depth in CTW-1 Well of Kati Formation in UTP Campus, Seri...
2017
Seismograph Interpretation as Related to Changes in Sedimentary Section in West Texas and New Mexico
John Daly , C. N. Page
AAPG Bulletin
... been observed in a reflection survey, and the data computed at a constant velocity of 14,000 feet per second, we would have shown a dip of 1,750 feet...
1952
A Towed Streamer EM System Performance Case Study
Folke Engelmark, Allan McKay, Johan Mattsson
Indonesian Petroleum Association
...-signal. The EM streamer has effectively 26 offsets from 0 - 7,700 m and it is towed at a depth of 50 - 100 m. Currently the acquisition system...
2013
Improvement of Seismic Tomographic Imaging by Downward Continuation and Modified SIRT
Teuku A. Sanny, D. Santoso, D. Dahrin, Fatkhan, Alfian B.
Indonesian Petroleum Association
... drastically if we reconstruct the image by BPT as an initial model. Using prior knowledge of the velocity and depth, the Downward Continuation Principle...
1996