An Interpreter's Guide to Improvements in Depth Imaging through Model-Based Velocity Estimation and Refinement

Andy Furniss

Petroleum Exploration Society of Australia (PESA)

... calculate an RMS velocity error that will flatten the gather in much the same way as normal moveout velocity is used to flatten gathers before stacking...

Fast-Track and Robust Reservoir Modeling Using Probabilistic Neural Network; #42205 (2018)

Islam A. Mohamed, Basem K. Abd El-Fattah

Search and Discovery.com

.... The proposed neural network workflow reduces the reservoir modeling construction time by 80-90%, mitigates the cumulative error problems, and decreases...

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...

Integration of SIP and MIP methods for pore-size distribution in carbonate rocks

Neha Panwar, Ravi Sharma, Shruti Malik, Ashish Dhiman, Andre Revil, Santosh Kumar Behera, Surendra Khanna

International Meeting for Applied Geoscience and Energy (IMAGE)

... I41. Table 1: Inverted double cole-cole parameters using genetic algorithm. Sample name I14 I41 I48 σ∞ M1 M2 c1 c2 τ1 τ2 Rms% 0.032 0.017...

3D joint Gramian inversion of airborne gravity gradiometry and magnetotelluric data for geothermal resource exploration

Michael S. Zhdanov, Michael Jorgensen, Alexander Gribenko, Masami Ikeya, Yusuke Usui

International Meeting for Applied Geoscience and Energy (IMAGE)

..., and parameter, 𝑚𝑚(2) , to be equal to the logarithm of conductivity, log σ. Thus, by using the nonlinear transformation (e.g., log σ), one can enforce...

Paleoslope Reconstruction In Sandy Suspended-Load-Dominant Rivers

Ranie M. Lynds, David Mohrig, Elizabeth A. Hajek, Paul L. Heller

Journal of Sedimentary Research (SEPM)

... of the percentage estimation error denote overestimation, negative values denote underestimation. The root-mean-square (RMS) error is also reported when...

The Geophysical Aspects of Abnormal Fluid Pressures

Edward B. Reynolds, John E. May, Alf Klaveness

Houston Geological Society

... is not valid the error introduced is usually not significant to RMS velocity determination. However, there are corrections which can be applied...

Abstracts: Converted Wave Processing in the EOM Domain; #90173 (2015)

Thais A. Guirigay and John B. Bancroft

Search and Discovery.com

... wave CSP (LCCSP) gather. This Vc is valid only for zero offset data, however we can extend its application when there is an acceptable small error...

How Poor Temperature Modelling Can Burn a Hole in Your Pocket

Gareth Cooper

Petroleum Exploration Society of Australia (PESA)

... 'inverts' the temperature field from the t o p down until an acceptable RMS error is achieved f o r the o b served surface heat-flow. The subsequent...

The Use of Geoelectrical Imaging to Study Groundwater Pollution at Gemenceh Waste Disposal Site, Negeri Sembilan

Abdul Rahim Samsudin, C. A. Tan, Bashilah Baharudin, Mohd Tadza Abdul Rahman

Geological Society of Malaysia (GSM)

... 32.0 64.0 96.0 128 m. r-~rnrniIT2mrn2ii_mme_iiii_~~~ 1.0 5.1 9.2 13.3 Measured Apparent Resistivity Pseudosection Depth Iteration 5 RMS error...

Abstract: Seismic Processing of Ocean Bottom Cable and Streamer Data over Seligi Field

Lye Yue Choong, Abdul Razak Mohd Nurin

Geological Society of Malaysia (GSM)

... to velocities. A velocity error of 2% or more will produce scalloped reflections on the crosslines. Considerable time and effort was spent...

-- no title --

user1

Search and Discovery.com

... and appraised. The final 3D resistivity model images the geothermal system’s heat source, convection pattern and groundwater system with an error...

Deep Dix: Enhancing interval velocity model estimation through adversarial regularization

Joseph Stitt, Robert Clapp, Biondo Biondi

International Meeting for Applied Geoscience and Energy (IMAGE)

... inversion with synthetic and field RMS velocity data. This approach confines the model possibilities to only plausible geological scenarios and helps...

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)

... results. The second model RMS error (𝒎 𝑙 − 𝒎 𝑙_𝑓𝑖𝑛𝑎𝑙 ), provides a measure of the rate of change of individual cycle predictions relative...

Hyperspectral imaging for the determination of bitumen content in Athabasca oil sands core samples

Michelle Speta, Benoit Rivard, Jilu Feng, Michael Lipsett, and Murray Gingras

AAPG Bulletin

... correlation between spectral TBC and Dean-Stark TBC. The accuracy of the results was evaluated by calculating the root-mean-square (RMS) error, defined...

Combining PSDM and Seismic Modeling to Reduce Uncertainties in Time Structural Interpretation

William Agudelo, José Fernando Gamboa, Saúl Guevara, Carlos Piedrahita, Luis Ernesto Rojas, Martín Morales, Héctor Alfonso

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

...; ECOPETROL S.A.,. © Copyright 2009 ACGGP. This paper was prepared for presentation at the X Simposio Bolivariano Exploración Petrolera en Cuencas Subandinas...

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...

Reservoir Characterisation Study: Inter Well Reservoir Property Prediction and Mapping by Petrophysics Data and Seismic Data Integration

Robi Junipa, Michel Bee

Indonesian Petroleum Association

... sand. The standard error estimations based on the regression functions for reflection strength, RMS amplitude and total absolute amplitude are small...

Using RMS Amplitudes Derived From Synthetic Forward Seismic Models of Channelized Deep-Water Slope Deposits to Inform Stratigraphic Interpretation, Tres Pasos Formation, Magallanes Basin, Chile

Search and Discovery.com

Isotopes of Unconventional Systems, Part I - Short Course Slide Presentation

Arndt Schimmelmann

The Society for Organic Petrology (TSOP)

... fractionation of up to 27 ‰. (C) Phytoplankton is discriminating against 15N in its uptake of DIN (DIN = dissolved inorganic nitrogen = Σ [NO3-, NO2...

A Phase Diagram for Turbulent, Transitional, and Laminar Clay Suspension Flows

Jaco H. Baas, James L. Best, Jeffrey Peakall, Mi Wang

Journal of Sedimentary Research (SEPM)

... for the single probe data were 51–121 s and 83–195 Hz, respectively (Table 1). The temporal mean flow velocity, , and its standard deviation, RMS(u...

Managing Subsurface Structural Uncertainty through Seismic Optimisation and Real-Time Drilling Data: A Success Story in Half Graben Reservoir Block of Tilan Field, WK Rokan

Rizki Arya Putra, Endo Finaldhi, Muhammad Afif Ikhsani, Nugroho Jati, Muhamad Irfan

Indonesian Petroleum Association

... to structural uncertainty. This en-echelon extensional fault system associated with its relay ramps and its propagation is not always easy to interpret...

Interferometry Application to Interpolate Missing 2D Seismic Data in Shot Gathers

Lily Suherlina, M.Yusup Nur Khakim, Hilman Mardiyan, Roy Baroes

Indonesian Petroleum Association

.... The process is continued by a nonstationary prediction error filter to interpolate the near–offset missing traces in a 2D synthetic marine data...

The ELLA GRA Process - Concepts and Methods for the Prediction of Reservoir Hydrocarbon Type Using Ratios of Gas Chromatography C1-C5 Gases; #42122 (2017)

Raymond M. Pierson

Search and Discovery.com

... Handbook: New York, Prentice Hall, 531 p. 2017 RMS - AAPG “The ELLA GRA Process - Concepts and Methods for the Prediction of Reservoir Hydrocarbon...

Geoscience Integration and Interpretive Model Building to Overcome Seismic Imaging Problems in Foothills Environments; #41547 (2015)

Rob Vestrum

Search and Discovery.com

... Vestrum et al, 1999; Stratton, 2004). The TTI anisotropy effect alone often results in hundreds of metres of lateral position error on the seismic...