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The AAPG/Datapages Combined Publications Database
Showing 1,706 Results. Searched 200,357 documents.
Assessment on the Serviceability of Monopod Platforms in Java Sea Due to Wave Excitation
Gde Pradnyana
Southeast Asia Petroleum Exploration Society (SEAPEX)
... to linearise the drag effects. This is done by minimizing the mean square error to determine the optimal value of the damping coefficient. Eatock Taylor...
1996
Multi-Layer Test Analysis for Dissolved Gas Reservoirs
W. Jatmiko, T. S. Daltaban, J. S. Archer
Indonesian Petroleum Association
... saturation for total system and layer-2, respectively. The average RMS error for total system is 0.4% whereas in layer-2 this error is 4%. Equation (11...
1996
Quantification of thermal conductivity uncertainty for basin modeling
Patrick Elison, Jan Niederau, Christian Vogt, and Christoph Clauser
AAPG Bulletin
... according to the root-mean-square (RMS) error with respect to the calibrated temperature field, which is depicted with a red line. For the minimum RMS error...
2019
erformance of Seismic Arrays in the Presence of Weathering Layer Variations, #41841 (2016).
Jubran Akram, Abdullatif A. Al-Shuhail
Search and Discovery.com
... in the weathering layer). The normalized maximum RMS amplitudes of the wavelet response are computed over an optimum window. Perturbed array responses are generated...
2016
Kriging-based surrogate models for convergence acceleration of Markov chains: An example of magnetotellurics-dix joint inversion
Alejandro Quiaro, Mauricio D. Sacchi
International Meeting for Applied Geoscience and Energy (IMAGE)
... mean square (RMS) velocities using a reduced model space based on kriging surrogates. Under the assumption that the resistivity and velocity models...
2024
Advanced Techniques for On-Line Monitoring of Brown Coal Quality
R M Borsaru, N G Cutmore, A L Ottrey, B D Sowerby
Petroleum Exploration Society of Australia (PESA)
... on nine bulk coal samples from Yallourn and Loy Yang using a PGNAA gauge with a germanium solid state detector. RMS error (wt%) Correlation...
1992
Quantitative Petrophysical AVO Error Analysis in a Layered Model
Search and Discovery.com
...Quantitative Petrophysical AVO Error Analysis in a Layered Model Quantitative Petrophysical AVO Error Analysis in a Layered Model Jinfeng Ma* State...
2013
Combination of Seismic Velocity Gradient and Sonic Gradient Variation as a Hydrocarbon Indicator: A Case Study in Clastic Reservoirs in South Sumatra
Iswani Waryono, Wahyu Triyoso
Indonesian Petroleum Association
... correct velocity error (residual velocity correction) for each offset and at the same time calculating the offset dependent RMS velocity field...
2012
Imaging Complex Structures in Colombia Full Wave Equation Migration Approach
Hector A. Alfonso, Luis E. Rojas, Weizhong Wang, Jie Zhang, Oz Yilmaz
Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)
... the difference between the modeled and the actual traveltimes, measured as the rms error in inversion, has been reduced to a sufficiently small value comparable...
2008
Using Reflected Phases to Improve Depth Resolution of Microseismic Source Locations from Single-Well Observations
James Rutledge, Nobukazu Soma
Unconventional Resources Technology Conference (URTEC)
... error of the mean (σ √ , where σ is standard deviation and n is number of azimuths averaged). P- and S-wave arrival picks were consistently obtained...
2013
Repeatability Evaluation of Time-Lapse Technology Using Ultra-Stable Seismic Source; #42078 (2017)
Junzo Kasahara, Khaled Al Damegh, Ghunaim Al-Anezi, Yoko Hasada, Kei Murase, Aya Kamimura, Osamu Fujimoto, Hiroshi Ohnuma
Search and Discovery.com
... Kragh and Christie (2002) proposed NRMS for the repeatability. NRMS 200 RMS (at bt ) , RMS (at ) RMS (bt ) (1) where the RMS operator...
2017
Efficient Migration, #40816 (2011)
Yazil Abbas,
Search and Discovery.com
...-migrated error-free data, and erroneous data. The data in Figure C is 3-D seismic data and in the RMS plots we have inlines at abscissa and crosslines...
2011
Abstract: Seismic Imaging of Imbricate Structures in Mountainous Area: Case Studies; #90211 (2015)
Nanxun Dai, Oz Yilmaz, Weizhong Wang, and Jie Zhang
Search and Discovery.com
... the difference between the modeled and the actual traveltimes, measured as the rms error in inversion, has been reduced to a sufficiently small value...
2015
The 2D Modelling of Magnetotelluric Data Using Impedance Tensor Rotation Based on Geoelectrical Strike Vector for Oil and Natural Gas Exploration in The "Kaprasida" Area, Singkawang Basin, West Borneo
Catur Rizkillah Cancerio, Dinda Indiana Bounigeta, Hidayat
Indonesian Petroleum Association
... rotation had impact on RMS error value and dimension of resistive anomaly. Line 1 profile by analysis of tensor rotation had RMS error of 3.12% and 3.33...
2019
Abstract: Towards Using Harmonic Noise to Image Shallow Thin Reflectors; #90187 (2014)
Christopher B. Harrison, Gary Margrave, Michael Lamoureux, Art Siewert, Andrew Barrett, and Helen Isaac
Search and Discovery.com
... and error records for analysis. The root-mean-square (RMS) strength was chosen to help understand the comparative strength and values of these calculations...
2014
A nodal discontinuous Galerkin method for wave propagation in coupled fluid-solid media
Ruiqi Li, Yijie Zhang
International Meeting for Applied Geoscience and Energy (IMAGE)
... numerical results and analytic solution by using root mean squared error (RMS) which is defined as e= 1 n n 2 i=1 (sN (i) − sA (i)) 1 n (21) n 2 i−1...
2022
Uncertainty Analysis for Top Tuban Carbonate Prediction using Velocity Modeling Design in "Aquila" Field, East Java Basin
Ayu Indri Firdani, Azhar Kholiq Affandi, Erik Wahyu Irawan, Kamal, M. Wahdanadi Haidar, M. Freddy Yulisasongko
Indonesian Petroleum Association
... depth conversion from original RMS velocity and RMS velocity after NMO correction. The depth error is smaller than the previous conversion. Figure...
2015
Multifocusing Stack Technique for Subsurface Imaging, #40749 (2011)
Sunjay Sunjay,
Search and Discovery.com
... Correction Let us consider the ray diagram in Figure 3. The central ray starts at point X0 with angle β to the vertical, hits the reflector Σ at NIP...
2011
Abstract: Seismic Array Response in the Presence of Laterally Varying Thickness of the Weathering Layer, by Jubran Akram and Abdullatif Al-Shuhail; #90077 (2008)
Search and Discovery.com
2008
Abstract: Comparison of Resolution Capacity of Different Electrode Arrays in Delineating Fractured Zones Using Electrical Resistivity Modeling; #90255 (2017)
Lukumon Adeoti, Seun Afolabi, Kehinde Ishola, Bolaji Adegbola
Search and Discovery.com
... out using basic statistical approach via Root Mean Square (RMS) misfit, Mean Absolute Error (MAE), and Mean Absolute Percentage Error (MAPE). The plots...
2017
Analysis of Electromagnetic Depth Sounding Responses Over a Layered Earth: Investigating Oil & Gas Seeps in the Petroleum Provinces
Shastri L. Nimmagadda, Andrew Ochan
Petroleum Exploration Society of Australia (PESA)
..., the RMS difference over n points is n RMS difference = SQRT (1/n Σ Δ2j); j = 1, 2, 3… n. j=1 The total number of points (n) considered here is 24. A RMS...
2016
Milankovitch Period Uncertainties and Their Impact On Cyclostratigraphy
David Waltham
Journal of Sedimentary Research (SEPM)
... for observed period ratios (e.g., the ratio for long-eccentricity/short-eccentricity overlaps, within error, with the ratio for short-eccentricity...
2015
Rediscover the Rockies; 43rd Annual Field Conference Road Log
Kent A. Sundell, Thomas C. Anderson
Wyoming Geological Association
... and Acknowledgements ii AAPG-RMS Field Trip #1, Wind River Basin, Day 1 1 Day 2 33 AAPG-RMS Field Trip #2, Como Bluff Dinosaur Site 61 AAPG-RMS...
1992
History Matching of Reservoir Models by Ensemble Kalman Filtering: The State of the Art and a Sensitivity Study
Leila Heidari, Veronique Gervais, Mickaele Le Ravalec, Hans Wackernagel
AAPG Special Volumes
... and prediction, is the root-mean-square (RMS) error. In this study, we refer to two different RMS error definitions. The first RMS error is denoted...
2011
Model of Near-Surface Velocity, Southern San Joaquin Valley, California, by James G. Ferry; #91024 (1989)
Search and Discovery.com
1989