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The AAPG/Datapages Combined Publications Database
Showing 73,270 Results. Searched 200,685 documents.
Deep Earth: Leveraging neural networks for seismic exploration objectives
Tariq Alkhalifah, Claire Birnie, Randy Harsuko, Hanchen Wang, Oleg Ovcharenko
International Meeting for Applied Geoscience and Energy (IMAGE)
.... For that, we replace the prediction head with a sigmoid activation function followed by a linear layer, use cross entropy loss between the output...
2022
High Resolution Shallow Crustal Imaging Using Passive Seismic Dense Arrays
Search and Discovery.com
N/A
Illuminating the Complex Geology of the UK Faroe Shetland Basin
Antonio Castiello, Gareth Venfield, Jens Beenfeldt
GEO ExPro Magazine
...). The water depth over the area varies between 500 – 1500 m, and the overburden is characterized by high-velocity Eocene fan deposits, sand injectites...
2022
Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)
Waheduzzaman Talukder and Ralph Phillip Bording
Search and Discovery.com
... ratio of amplitude at two different depth levels is a linear function of frequency and the equation (2) can be rewritten as: (3) Y C ( m) f...
2014
Results of Elastic-Wave Surveys in California and Elsewhere
Frank Rieber
AAPG Bulletin
..., velocity would, presumably, increase as a continuous function of depth of overburden. Actually, however, this occurs in few places. Sediments come from...
1930
Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad
Tony Johns
Search and Discovery.com
... present precisely that next phase in the 4C processing, advancing the P- and PSv-wave data through anisotropic prestack depth migration, using cell...
Unknown
Anisotropic PP and PSv Prestack Depth Migration of 4C (OBC) Seismic Data, Offshore Trinidad
Tony Johns
Search and Discovery.com
... present precisely that next phase in the 4C processing, advancing the P- and PSv-wave data through anisotropic prestack depth migration, using cell...
Unknown
Micro transient EM for seismic sand corrections through physics-coupled deep learning
Daniele Colombo, Ersan Turkoglu, Ernesto Sandoval-Curiel, Javier Giraldo-Buitrago
International Meeting for Applied Geoscience and Energy (IMAGE)
... to velocity vs depth assuming a given mineralogy and porosity. Results indicated a minimum P-velocity of 450 m/s with a power low increase vs depth related...
2022
Three-Dimensional Depth Imaging of Seismic Data to Help Delineate Petroleum Reservoirs in the Williston Basin
Alvin K. Benson
Williston Basin Symposium
... by rapid lateral velocity changes, velocity pull-up, etc. and (b) the necessity of using a depth migration process versus time migration plus...
1995
Development of offshore microtremor array exploration
Yoshikazu Matsubara, Mikihiro Imai, Akeshi Hiraide
International Meeting for Applied Geoscience and Energy (IMAGE)
.... Comparison of each Vs profile at the site where array measurements and PS velocity logging were performed were very consistent. Exploration using this method...
2022
Imaging of Subsurface Velocity Structure on Volcanic Area of South East Java: An Application of Passive Seismic Ambient Noise Tomography for Sub-Volcanic Hydrocarbon Exploration
Pongga Wardaya, Erlangga Septama, Vida Irine Rossa, Richie Rahmat Pratama, Rusalida Raguwanti
Indonesian Petroleum Association
... velocity profile through an inversion technique. From the inversion result we obtain the subsurface swave velocity structure down to a depth of 6 km...
2021
Dynamic Non-Darcy Flow Compositional Numerical Simulation for CO2 Huff-n-Puff Development in Tight Oil Reservoir
Qiong Wang, Rui zhong Jiang, Yong zheng Cui, Gewei Liu
Unconventional Resources Technology Conference (URTEC)
... development, Darcy model or previously published low-velocity non-Darcy flow model with constantly non-linear parameter in most numerical simulator may cause...
2019
Abstract: Adaptive Surface Waves Attenuation from Wide-Azimuth Land Data, by David Le Meur, Nigel Benjamin, Teo Wah hong, Tom Van Dijk, and Paul Matheny; #90105 (2010)
Search and Discovery.com
2010
An unsupervised intelligent stacking velocity analysis based on clustering
Lide Wang, Xingrong Xu, Jie Wu, Huahui Zeng, Yundong Yong, Yanxiang Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
... function and the energy of velocity spectrum are utilized to weigh the efficiency and accuracy of the cluster. Furthermore, compared with manual picking...
2024
-- no title --
user1
Search and Discovery.com
...-layer, non-linear slope tomography updates were run to update the velocity model and enhance the image. Kirchhoff depth migration was performed...
Unknown
Abstract: Seismic Rayleigh wave method for imaging subsurface cavities
Jon C. Q. Xu, Stephen D. Butt, Patrick J. C. Ryall
Atlantic Geology
... shear velocity as a function of both depth and distance, i.e. shear velocity field (SVF) images. The technique was tested at three locations in Nova...
2009
Chapter 8: Petrophysical Characteristics of the Ivie Creek Case-Study Area - Geological and Petrophysical Characterization of the Ferron Sandstone for 3-D Simulation of a Fluvial-Deltaic Reservoir (MP-02-6)
R.D. Jarrard, M.A. Chan, C.B. Forster, S.H. Snelgrove
Utah Geological Survey
..., 1976). Various procedures have been proposed for using velocity/depth or porosity/depth patterns to estimate amount of exhumation at a well. All...
2001
Interpreted Linear Features from Landsat Thematic Mapper Images, Southern Ute Indian Reservation, Colorado
Daniel H. Knepper Jr.
Utah Geological Association
... of the linear features as a function of solar illumination angle. Consequently, these linear feature data are considered unsuitable for determining...
1996
A Comparative Study of 3-D Noise Attenuation Techniques
Daniel Wheaton, Yendri, Kusnarya
Indonesian Petroleum Association
... Attenuation of linear noise using f-k filtering was applied to the ONWJ Survey as the initial poststack processing step. For a 2-D by 2-D f-k technique...
1996
Turning high resolution FWI model into pseudo-reflectivity: A case study using sparse OBN
Bing Bai, Yao Yu, Ruoyu Gu, Shenghong Tai, Denes Vigh
International Meeting for Applied Geoscience and Energy (IMAGE)
... (Figure 1a). We used a smoothed version of this legacy velocity model as our initial model for FWI. We ran multiple passes of ETM-FWI using the sparse...
2022
Abstract: Velocity Dispersion in Field Seismic Data: Impact, Detection and Application; #90211 (2015)
Langqiu Sun
Search and Discovery.com
..., sensor depth 1025m, offset 137m, source signal 14s long, 8-180Hz linear sweep. The travel time curve was smoothed using 100 points. The calculation...
2015
Aerodynamic and Geometric Diameters of Airborne Particles
Weinan Chen , Donald W. Fryrear
Journal of Sedimentary Research (SEPM)
...' Law and Newton's motion law. For a given fluid regime, settling velocity of a particle is a function of its size, shape, and density. Sedimentation...
2001
Enhanced Monitoring of Geologic Carbon Sequestration Using 3-D Passive Microseismic Location Techniques
Delaine Reiter and William Rodi
Search and Discovery.com
.... The results from both case studies demonstrate that we can accurately locate and characterize microseismicity in a realistic 3-D velocity model using both...
2009
Chapter 7: Advanced Reservoir Characterization Using 3D Seismic Data in Badger Basin, Bighorn Basin, Wyoming
John E. Buggenhagen
Montana Geological Society
... using generalized linear inversion: Journal of the Canadian Society of Exploration Geophysicists, v. 20, no. l,pp. 40-54...
1997
Abstract: *Detection of Hydrocarbons from Velocity Logs using the Wavelet Coherence Analysis: A Case Study from Algerian Tight Reservoirs; #91202 (2022)
Said Gaci, Mohammed Farfour, and Saliha Amoura
Search and Discovery.com
...Abstract: *Detection of Hydrocarbons from Velocity Logs using the Wavelet Coherence Analysis: A Case Study from Algerian Tight Reservoirs; #91202...
2022