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The AAPG/Datapages Combined Publications Database

Showing 1,551 Results. Searched 195,354 documents.

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Modelling an Ultra-Long Electrical Device, and Application in Interpretation of a Hot Dry Rock Geothermal Reservoir

John Lovell, Makoto Miyairi, Kazuhiko Tezuka, Gordon Mowat

Indonesian Petroleum Association

... casing Frequency histograms of mean model/log ratios, 8 - curve rms error = 39.2%. Figure 8b. Layered model without invasion, with trunk fracture...

1990

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

Optimización de Migración Pre-Apilado en Tiempo Tipo Kirchhoff para Datos Sísmicos 3D en los Llanos Orientales [PAPER IN SPANISH] Migration Optimization of Pre-Stack Kirchhoff Time Type of 3D Seismic Data in the Eastern Plains

María Isabel Prieto, José María Jaramillo

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... Vrms es la velocidad promedio cuadrática (RMS), entre la superficie y el reflector. Si se trunca la ecuación (1) después del segundo término, se...

2009

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

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

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

Inversión Gravimétrica 3D de la Subcuenca de Maturín [PAPER IN SPANISH] 3D Gravity Inversion of Maturin Subbasin

W. J. Goncalves, M.I. Jácome, C. Izarra

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... km Máxima 39 km Mínima 28 km Máxima 39 km Mínima 28 km Máxima 39 km Mínima 28 km Máxima 39 km Parámetros Iteración final y error RMS Prof. media de...

2006

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 NoiseŽ 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

The Geological and Geophysical Evaluation of the S-108 Area, Gulf of Paria, Offshore Western Trinidad, #20232 (2014)

Nancy Gallai, Curtis Archie

Search and Discovery.com

... Maps were drawn for the individual packages, and Structure, RMS Amplitude and Net Hydrocarbon maps for Forest 1 and Cruse 1 were generated. Oil/Water...

2014

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

Use of Seismic Data for Statistical Estimation of Outcome Probabilities of Complexly Faulted Structures in Tabasco Basin, Mexico

Juan M. Berlanga , John W. Harbaugh

AAPG Bulletin

...) error can be calculated. The RMS is defined as the square root of the mean of the squared errors, and is a measure of the average deviation...

1981

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: 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

Modelos de Velocidades (Optimizados) en el Caribe Colombiano [PAPER IN SPANISH] VelocityModels (Optimized) in the Colombian Caribbean

Oscar Moreno, Carlos Guerrero, Sid Tschirhart, Giuseppe Fiume, Pedro Gómez

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... comportamiento natural de compactación de los sedimentos marinos. El modelo utilizado en el software es tipo “depth burial”, (ver figura 2) al cual se...

2009

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

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

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

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