Abstract: Modelling the 3D Architecture of Rocks and Structures of the Athabasca Basin: How Saskatchewan is Tackling the Challenge from Down Under; #90172 (2014)

C. D. Card, M. Fairclough, P. Heath, G. Gouthas, T. Baker

Search and Discovery.com

... magnetic intensity from which a number of other images were derived, including first vertical derivative, automatic gain control, tilt, horizontal...

Abstract: Re-establishment of Gradient in Frequency-domain Elastic Waveform Inversion; #90174 (2014)

Ju-Won Oh, Dong-Joo Min, and Felix J. Herrmann

Search and Discovery.com

... whose dimension is 9.2 km x 3.04 km. For the source wavelet, we use the first derivative of the Gaussian function with the maximum frequency of 10 Hz...

Abstract: Two-stage Blind Deconvolution; #90187 (2014)

Mafijul Islam Bhuiyan and Mauricio D. Sacchi

Search and Discovery.com

... differentiate the cost function (ψ ) with respect to the wavelet perturbation and equate the derivative to zero to obtain condition to estimate...

Abstract: Post-processing Technique to Relocate Microseismic Events Using the Double-Difference Method; #90187 (2014)

Fernando Castellanos and Mirko van der Baan

Search and Discovery.com

... of magnitude between source location parameters and origin time, the system becomes unstable. Hence, we scale the partial derivative matrix by normalizing...

Abstracts: General Anisotropic Travel Times … A Purpose Built Solution; #90173 (2015)

R. Phillip Bording

Search and Discovery.com

... by taking the derivative of (2) with respect to mu and setting it to zero. Then we can solve for mu. In practice, this method has limitations but can...

Abstract: Automatic Fault Tracking from 3D Seismic Data Using the 2D Continuous Shearlet Transform with an Example from the Algerian Sahara; #91210 (2025)

Sid-Ali Ouadfeul

Search and Discovery.com

... and vertical derivatives. The local gradient direction at each pixel is then calculated using the arctangent of the derivative ratio, θ = tan ⁻¹(Gy / Gx...

Seismic and Structural Analysis of a Trenton-Black River Hydrothermal Dolomite Reservoir, by Justine Sagan and Bruce Hart, #40129 (2004).

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Advances in the Application of Biostratigraphy to Petroleum Exploration and Production, by G.O. Giwa, A.C. Oyede, and E.A. Okosun, #50029 (2006).

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GIS Activities in the USGS Central Energy Resources Team: A Model for Expanding GIS Utilization, by Laura R.H. Biewick, Gregory L. Gunther, Christopher C. Skinner, and David A. Ferderer, #40225 (2006).

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3-D Grid Types in Geomodeling and Simulation … How the Choice of the Model Container Determines Modeling Results, #40477 (2009)

Jim Thom and Christian Höcker

Search and Discovery.com

... means of documentation for securing funding and getting well plans certified, but in general are a derivative of 3-D reservoir models. The latter...

Structural Interpretation of the Dixie Meadows Geothermal Prospect using Joint Modeling of Gravity and Magnetic Data; #80293 (2013)

Paul C. Schwering and Robert E. Karlin

Search and Discovery.com

...‐bounded magnetic anomalies. The horizontal derivative of the gravity data delineates the strike of normal faults. Joint forward modeling of the gravity...

Rock Fabric and Microseismic: an Integrated Approach; #41522 (2015)

Martin Haege, Shawn Maxwell, Lars Sonneland, Mark Norton

Search and Discovery.com

... be extracted from the extrema points (extrema on the seismic correspond to zero crossings on the time derivative) (Figure 2a) (Borgos et al., 2006...

3D Inversion of Time-Domain Electromagnetic Data for Ground Water Aquifers, #41610 (2015).

Elliot M. Holtham, Mike McMillan, Eldad Haber

Search and Discovery.com

.... This yields a system of linear equations which can be written in compact form as (5) In a standard AEM survey, the time derivative of the vertical magnetic...

The State of the Art of the Brazilian Pre-Salt Exploration; #30586 (2018)

Marina Abelha, Eliane Petersohn

Search and Discovery.com

... that Brazil has the potential to become one of the major oil and oil-derivative producers of the world. The exact oil volume in the pre-salt play is yet...

Quantifying the Uncertainty of Elastic Facies Classification, #51482 (2018).

Keith Edwards, Muneera F. Al-Awadhi, Abdelrahman Abdeltwab

Search and Discovery.com

... derivative of these three are elastic properties. • In this presentation we will use P-Impedance and Vp/Vs ratio. 13th Middle East Geosciences...

The Economic Structure of the American Petroleum Industry

Joseph E. Pogue

AAPG Bulletin

... with the same physical efficiency as large ones--but is a derivative of the integrative pattern that the industrial development has followed. The raw...

Reservoir Modeling and Composition Simulation of Primary Depletion, Waterflooding, and Carbon Dioxide Flooding of a Small Pennsylvanian Carbonate Mound Complex, Anasazi Field, Paradox Basin, Utah, Vol. 1-3 (OFR-420)

Wilmer E. Culham, Douglas M. Lorenz

Utah Geological Survey

... Superposition Diagnostic Figure 9-3 Anasazi Well #1- 0190 Derivative Pressure Difference Match Figure 9-4 Anasazi Well #1- 0190 Test Superposition...

ELECTRONIC COMPUTERS AID IN EXPLORATION DECISIONS AND INTERPRETATIONS

E. J. Assiter

Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)

... of a second derivative map or any analysis of residual values, it is obligatory to determine the values of gravity at either square or triangular grid...

Mathematical Model and Cluster Number Optimization of Horizontal Well with Hydraulic Fractures in Shale Reservoir

Jianting Li, Luming Shi, Lijia Yuan, Meiling Meng, Juan Zhao, Yaqin Zhang, Zhiming Chen

Unconventional Resources Technology Conference (URTEC)

... pressure data Pressure and its derivatives (MPa) Testing pressure derivative data Calculated pressure data Calculated pressure derivative data 1 0.1...

Remote Sensing to Petroleum Exploration in the Qaidam Basin, China

Wang Wenyan, Song Jianguo, Zhang Jiong, Wang Tianxi, Fan Congwu, G.B. Bailey, John L. Dwyer

Circum Pacific Council Publications

... feature gravity, 2nd derivative high 9 Lengxi to the west of Lenghu No. 0 Anticline tonal circular feature gravity, 2nd derivative high 10...

Application of D-Limonene as the Green High Viscosity Friction Reducer in Hydraulic Fracturing

Aminah Qayyimah Mohd Aji, Wan Nor Farahana Wan Nadhari, Cindy Dhevayani Savitri, Dzeti Farhah Mohshim, Belladonna Maulianda, Arvindraj Krishnan

Unconventional Resources Technology Conference (URTEC)

... of derivative weight percentage against temperature for D-limonene Figure 8—Graph of derivative weight percentage against temperature for D-limonene...

Application of Integrated Geophysical Techniques to Characterize the Edwards Aquifer, Texas

Charles B. Connor, Stewart K. Sandberg

Bulletin of South Texas Geological Society

... and negative current pulses, each terminated by a linear ramp. The receiver samples the voltage in a receiver coil, which is the time derivative...

Cenozoic Plate Tectonic Setting of the Cordilleran Region in the United States

William R. Dickinson

Pacific Section SEPM

... of the Farallon plate beneath the Cordillera, subdivision of the Farallon plate into separate derivative plates as the PacificFarallon ridge met...

A Fractured Pre-Tertiary Basement Reservoir Engineering Study

Hercahyo Suyoto, Justin Bethancourt

Indonesian Petroleum Association

... function (from top of basement), a second derivative of the basement surface, and a marble vuggy fracture. Volumes were compared against dynamic well...

Modeling and Simulation of Production from Commingled Shale Gas Reservoirs

Benmadi Milad, Faruk Civan, Deepak Devegowda, Richard F. Sigal

Unconventional Resources Technology Conference (URTEC)

... and second order space derivative ( ) , ( ) position, and forward approximations method is used for first order time derivative ( ) time in order to solve...