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The AAPG/Datapages Combined Publications Database
Showing 291 Results. Searched 200,357 documents.
Massive Fracturing of Tight Gas-Bearing Sandstone Reservoirs in the Piceance Creek Basin, Colorado
E.D. Alcock, H.H. Aronson, C.F. Knutson
Rocky Mountain Association of Geologists
... the participants, calculate a higher figure of 4.5 BCF, primarily because they assume a higher formation permeability and a time-varying water barrier...
1974
Broadband reconstruction of seismic signal with generative recurrent adversarial network
Zhijun Zhang, Wei Song, Wei Wang
International Meeting for Applied Geoscience and Energy (IMAGE)
...( ∙ ) are symmetric structures. The generator of GRAN is different from other recurrent structures. The model starts from the decoder f (·). At each time...
2022
Lithofacies prediction of shale based on broadband spectral inversion
Hongmei Luo, Yiran Xing, Changjiang Wang, Jingtao Zhang, Peijie Yang
International Meeting for Applied Geoscience and Energy (IMAGE)
... ratio and accurately extracted time-varying and space-varying seismic wavelet, and the output is the reflection coefficient profile. According...
2022
Use of Machine Learning on SCADA Data for Assets Prognostics Health Management
Alexandre Cesa, Elliot Press
Australian Petroleum Production & Exploration Association (APPEA) Journal
... instrumentation drift) and they are often the result of complex physical interactions that occur over time – such as varying chemical composition...
2020
Application of combined inversion of lithofacies and impedance based on rock physical constraints in sandstone characterization in Liaodong Bay of Lvda area
Xun Liu, Wei Gao, Huihuang Tan, Yu He
International Meeting for Applied Geoscience and Energy (IMAGE)
... relationship is expressed as a time-varying three-dimensional probability density function. The establishment of depth trend is determined according...
2022
Reverse-time migration of mobile marine vibrator data
Khalid Almuteri, Paul Sava, Jeffrey Shragge
International Meeting for Applied Geoscience and Energy (IMAGE)
... division by zero, and summation is over different frequencies (ω) and experiments (e). EXAMPLES Point scatterer model Reverse-time migration We can...
2022
The Antarctic Continental Margin Magnetic Gradiometer Data: Suppression of Time Variations
R. O. Hansen, J. R. Childs
Circum Pacific Council Publications
... of Mines Golden, Colorado J . R. Childs U.S. Geological Survey Menlo Park, California called time variations: the time-varying field due primarily...
1987
New Solutions to Old Problems: A Seismic Reprocessing Case History, DC and BQ Fields, Malacca Strait PSC
Charles A. Hinson
Indonesian Petroleum Association
.... No time-varying distortions are apparent in the stack, which would have been the case had the data merely been smeared across a low-angle fault...
1993
True Amplitude Preserved Multi-Azimuth Pre-Stack Depth Migration for Structural and Reservoir Characterization (Sisi-Nubi Field, Indonesia)
M. Baturin, F. Bertini, J. Bonnafé, A. Riou, S. Birdus, Y. Yin
Indonesian Petroleum Association
... considered to be important for the model (Fig. 7). The initial depth velocity model was built from a Vrms field available from previous time processing...
2011
Comparison of EMD and S-Transform Spectral Decomposition for Characterizing Hydrocarbon Reservoir: Case Study of East Java Basin
Abdul Haris, A. M. Ustad, Didik Ardiyanto, Gadang G. Wihardy, Budiyono, Tri Bowo, Murti Widyawan
Indonesian Petroleum Association
... of EMD and the Hilbert spectrum result in the entire time-varying instantaneous spectrum, which can be output on certain frequency. The detailed work...
2011
Enhanced Wellbore Placement Accuracy Using Geomagnetic In-Field Referencing and Multi-Station Correction
Stefan Maus, Matthew Herzl, Shawn DeVerse
Unconventional Resources Technology Conference (URTEC)
..., the main field is defined as the internal field of spherical harmonic degree 1-15, excluding time varying fields with periods shorter than about 2 years...
2015
Petrophysical Interpretation of Multi-Frequency Electromagnetic Measurements in Clay- and Conductive-Mineral-Rich Mudrocks
Siddharth Misra, Yifu Han
Unconventional Resources Technology Conference (URTEC)
... perturb the charge distribution around host-inclusion interfaces from its equilibrium state. Therefore, in the presence of a time-varying electric...
2016
Reservoir Quality and Stratigraphy of the Frontier to Dakota Interval of the Power River Basin, a Core-Log-Seismic Exercise
Ron Kenny, Ceri Davies, Simon Purvis, Jim Fenton, Vishnu Pandey, Chris Iwobi, Sushanta Bose, Rick Trevino, Kevin Chesser
Unconventional Resources Technology Conference (URTEC)
... reflect the periodic high- and lowstand episodes of the Cretaceous Western Interior Seaway. During this time, varying volumes of water and sediment...
2016
An improved Holo-Hilbert spectral analysis guided by fast matching pursuit
Chaohe Wang, Zhaoyun Zong
International Meeting for Applied Geoscience and Energy (IMAGE)
... of the receiving instruments. Time-frequency spectral analysis methods are effective and widely used in describing the time-varying features of seismic...
2024
One-way full-waveform inversion using frequency-domain model extension
Rustam Akhmadiev, Biondo Biondi, Robert G. Clapp
International Meeting for Applied Geoscience and Energy (IMAGE)
... to be phaseshifted (equivalently, time-shifted) leading to non-physical wave propagation and forward scattering. Frequency-extended impedance model, used to compute...
2024
Casing Integrity Surveillance A Case Study of Surveillance Methods to Determine Casing Condition of Mature Wells
A. Muhadjir, W. Andono, M. Saada, M. Abdelmoula
Indonesian Petroleum Association
... strings of tubing and casing (Riaz-ud-Din et al, 2011)3. The working principle is based on Faraday's laws of electromagnetic induction. When a time...
2017
The economic environment and the growth in reserves from known gas fields in the Gulf of Mexico
Kevin F. Forbes, Ernest M. Zampelli
CSPG Bulletin
... that the inclusion of “time varying factors such as the amount of development drilling, injection, prices (emphasis added), or perhaps changing tax treatment...
2012
Enhance Seismic Quality With A Fast, Robust and Economic Solution Using Broadband Technology
Munji Syarif, Vania Iqsora, Adde Avrino, Agus Abdullah
Indonesian Petroleum Association
... is also an issue since the updated interpretation is required to be used for updating a static model in less than a 3 months time window. A broadband...
2020
How Does the Impact of Completions Change Over the Life of a Well? A Comparison Across the Major US Unconventional Plays Using Machine Learning
T. Cross, K. Long, D. Niederhut, A. Cui
Unconventional Resources Technology Conference (URTEC)
... completions design impact on model forecasts varies through time in each play, calculating completions decay factors for proppant and fluid intensity...
2022
Reserve Growth of the World's Giant Oil Fields
T. R. Klett, James W. Schmoker
AAPG Special Volumes
... through time, varying among report dates and fields (Figures 2, 3, 4).Figure 1. Difference in estimated total recoverable oil volume between 1981...
2003
Temporal, Spatial, and Textural Variation in the Mineralogy of Mississippi River Suspended Sediment
Anthony G. Johnson, Joseph T. Kelley
Journal of Sedimentary Research (SEPM)
... basins of the major tributaries of the river, coupled with t e time-varying contributions of the tributaries. BROOKS, R. A., FERRELL, R. E...
1984
Section 2: Improvement of Seismic Images of Complex Tectonic Structure in Deep Water with Research-Level Processing Sequences
John Miller and Roland von Huene
AAPG Special Volumes
... a time- and space-varying velocity model along the line. 4. NMO--removes the effect of the source-receiver separation by using the NMO equation...
1986
Abstract: Empirical Mode Decomposition Based Instantaneous Spectral Analysis and its Applications to Heterogeneous Petrophysical Model Construction; #90171 (2013)
Jun-Wei Huang and Bernd Milkereit
Search and Discovery.com
... of the Hilbert spectrum yields the entire time-varying instantaneous spectrum. The recipes of two steps are outlined as follows: Step 1. EMD i...
2013
Abstract: Seismic Data Decomposition into Spectral Components Using Regularized Nonstationary Autoregression; #90187 (2014)
Sergey Fomel
Search and Discovery.com
... Liu et al. (2011), which consists of two nonstationary components with smoothly varying (parabolic) frequencies. The corresponding time-frequency...
2014
Abstract: Nonlinear Seismic Wave Propagation in Heavy Oil; #90224 (2015)
Wubing Deng and Igor B. Morozov
Search and Discovery.com
... der Baan, M., 2012, Bandwidth enhancement: Inverse Q filtering or time-varying Wiener deconvolution?: Geophysics 77, V133-V142, doi...
2015