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The AAPG/Datapages Combined Publications Database
Showing 17,677 Results. Searched 195,696 documents.
Estimation of lithologies and depositional facies from wire-line logs
M. M. Saggaf, Ed L. Nebrija
AAPG Bulletin
... memory: Berlin, Springer-Verlag, 312 p. Rao, C. R., 1973, Linear statistical inference and its application: New York, John Wiley and Sons, 625 p...
2000
Marine Seismic Sources: Part III: A Feeling for Decibels
Lasse Amundsen, Martin Landrø
GEO ExPro Magazine
... as sound. The ear’s response to sound is non-linear; in judging the relative loudness of two sounds, the ear responds logarithmically. Therefore...
2010
Migration Velocity Analysis by Migration of Velocity Spectra
Craig J. Beasley, Rolf Klotz
Southeast Asia Petroleum Exploration Society (SEAPEX)
...” of DMO often can have the desirable action of removing linear noise (Chambers et al., 1984), it can be detrimental to choosing a migration-velocity...
1992
Shipboard Processing and Interpretation
D.M. Angstadt
Geological Society of Malaysia (GSM)
... sections at this point contained a fSir' amount of linear aliasing noise commonly generated in this area when the shot spacing is double the group...
1992
Abstract: Variable Depth Streamer Acquisition: Enhancing Interpretation with Broadband Marine Seismic; #90174 (2014)
R. Soubaras, R. Dowle, and R. Sablon
Search and Discovery.com
... an exceptionally good signal-to-noise ratio, especially at low frequencies. We will demonstrate the benefits of technique to enhance seismic...
2014
Abstracts: Padé Approximation for Analyzing Multiple Reflections; #90173 (2015)
Dali Zhang, Michael P. Lamoureux, and Gary F. Margrave
Search and Discovery.com
... to be determined for the vector C . The values of a0 , a100 , b100 are reconstructed very accurately when there is no noise in the data. The valid...
2015
Tiltmeter Mapping and Monitoring of Hydraulic Fracture Propagation in Coal: A Case Study in the Warrior Basin, Alabama
George A. Gazonas, Chris A. Wright, M.D. Wood
Rocky Mountain Association of Geologists
... progressed in instrument design, site preparation, array processing to reject noise, and models for interpretation of the signal. These improvements...
1988
High-resolution angle gather tomography with Fourier neural operators
Sean Crawley, Guanghui Huang, Ramzi Djebbi, Jaime Ramos, Nizar Chemingui
International Meeting for Applied Geoscience and Energy (IMAGE)
... are regarded as being more able to represent non-linear, non-local operators than CNNs, and are mesh independent (so there is some flexibility to perform...
2023
Value of marine vibrators for effective frequency-dependent spatial sampling of seismic wavefield
Arash JafarGandomi, Aparajita Nath, Sergio Grion
International Meeting for Applied Geoscience and Energy (IMAGE)
... of Petroleum Geologists frequency-dependent spatial sampling with marine vibrator approach is also taken for measurements of the linear acceleration...
2023
Identification of vehicles from seismic signals using machine learning
Xiaoxuan Zhu, Ji Zhang, Jie Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
.... In this study, the DNN consists of 12 hidden layers. We employ the rmsprop optimizer and utilize the Rectified Linear Unit (ReLU) activation function...
2023
The Thousand Dollar Prospect, Rich County, Utah, A Case History
Valen D. Ott, Kenneth R. Kreckel
Rocky Mountain Association of Geologists
... reflections. Improvement in data quality was attributed to the following: 1) Source array: reduced near surface noise 2) Multiple source - receiver paths...
1982
Some Applications of CT-Scanner in Petroleum Engineering
Septi Anggraeni, Indra Jaya, Bambang Widarsono, Hari Hardiman, Pamuji, Alit Gurmilang
Indonesian Petroleum Association
... material. Figure 2. Measurement Of X-Ray Attenuation. Principles of X-ray Attenuation The basic quantity measured in each pixel of a CT image is the linear...
2002
Wave Climate Effects Upon Changing Barrier Island Morphology, Kouchibouguac Bay, New Brunswick
Edward Bryant
Atlantic Geology
... the Gulf. the nearshore wave climate will be established using wave refraction, shoaling and bottom frictional attenuation theory for shallow water...
1978
Kama-Kinel System of Uncompensated Downwarps
L. G. Kiryukhin, I. N. Kapustin
Petroleum Geology: A Digest of Russian Literature
... solitary and grouped in linear features that extend great distences. These are barrier reefs up to 20-25 km wide. These carbonates pass immediately...
1997
Thermal-Analysis Technique for Source-Rock Evaluation: Quantitative Estimate of Organic Richness and Effects of Lithologic Variation: GEOLOGIC NOTES
George E. Claypool , P. Robert Reed
AAPG Bulletin
... comparable because of variations in sample size and detector attenuation. Normalized peak areas and lithologic code are given in Table 1. End_Page 609...
1976
Can Resistivity be Predicted from Elastic Properties?
Maman Hermana, Luluan A. Lubis, Cow Weng Sum, Deva P Ghosh, Kazuki Ishikura
Indonesian Petroleum Association
... attribute SQp and SQs. These attributes are derived from attenuation concept through Rock Physics approximation. The formulation of these attribute...
2017
New Model Improves Secondary Phase Production Forecasts
Himanshu Shekhar Jha, W. John Lee
Unconventional Resources Technology Conference (URTEC)
... by dividing gas rate by oil rate, implying a linear relationship between oil rate and gas rate during constant GOR production. However, after GOR breakout...
2022
Abstracts: Fast Search Algorithms for Automatic Localization of Microseismic Events; #90173 (2015)
Ulrich Zimmer and Jeremy Jin
Search and Discovery.com
... size grids. Since the location probability varies (at least to some degree) smoothly from grid point to grid point, other methods than the linear...
2015
3-D Reservoir Characterization and Integrated Completion Optimization for Understanding Horizontal Well Spacing and Frac Staging of the Niobrara Formation, DJ Basin
Meagan Stephens, Jack Wiener, Muthukumarappan Ramurthy, Pat Kundert, John-Bosco Tran
Unconventional Resources Technology Conference (URTEC)
... important around fault planes where the seismic wavelets become uncorrelated to the rock properties. The geostatistical workflow ensures spatial...
2017
Implementing the K-Means Clustering Algorithm for the Type Well Generation Workflow in the Eagle Ford Shale
Serhii Kryvenko, Mikhail Gorditsa, Gabriel Siegel
Unconventional Resources Technology Conference (URTEC)
... the distortion/inertia starts to diminish in a linear fashion (Ketchen and Shook 1996). This is known as an “elbow” in the WCSS-versus-k plot. However, the “elbow...
2021
Stochastic Seismic Lithofacies Uncertainty Quantification Over Sisi-Nubi Field
Rakesh Doshi, Loic Michel, Rachim Winata Abdul, Rangga Brahmantio, Gilles Vallon
Indonesian Petroleum Association
... and the seismic velocity field. A preconditioning workflow was previously applied to the seismic angle stacks to compensate for amplitude attenuation caused...
2013
Aeromagnetics of Southern Alberta within Areas of Hydrocarbon Accumulation
G.E. Leblanc,, W.A Morris
CSPG Bulletin
... of hydrocarbon pools. (4) Pools are associated with linear and/or curvilinear magnetic lineaments a great number of which have topographic expression...
1999
Comparison of the Descriptors of Sediment Grain-size Distributions
Thomas A. Jones
Journal of Sedimentary Research (SEPM)
... distribution of sediments: Jour. Sedimentary Petrology, v. 22, p. 125-145. JAMES, W. R., 1967, Non-linear models for trend analysis in geology: Kansas...
1970
De-risking Appraisal Phase in the Recent Gas Discovery in Banggai-Sula Basin, Central Sulawesi: Application of AVO Analysis and Pre-stack Inversion in the Sub-ophiolite Reef Carbonate Play
Mufied Ahmad, Yudi Herdiana, Tika R. Pertiwi, Hendarsyah, Arie Naskawan
Indonesian Petroleum Association
... the wet linear trend. A depth slice at GWC (gas water contact) level describes that most of the Wol Structure is gas- saturated including the newly...
2021
Coloured Seismic Inversion, a Simple, Fast and Cost Effective Way of Inverting Seismic Data: Examples from Clastic and Carbonate Reservoirs, Indonesia
Keith Maynard, Paulus Allo, Phill Houghton
Indonesian Petroleum Association
... the same spectral trend post inversion i.e. have the same α value. Figure 1. Demonstrates the linear trend from four well logs displayed on a log...
2003