Pyseis: A high-performance, user-friendly Python package for GPU-accelerated seismic modeling and subsurface imaging

Stuart Farris, Guillaume Barnier, Ettore Biondi, Robert Clapp

International Meeting for Applied Geoscience and Energy (IMAGE)

.... INTRODUCTION Wave equation operators form the cornerstone of advanced geophysical studies and applications, serving as essential components in full...

Abstracts: True-Amplitude PS Prestack Time Migration via 5D Interpolation; #90173 (2015)

Peter W. Cary, Albert Zhang

Search and Discovery.com

..., 1999, Wang 2004). The nonaliased high frequency limit is related to the derivative of travel-time ( t ) to image surface location (  ), 1 f max 1...

Integral equation based wellbore preconditioner for 3D electromagnetic response modeling

Marcus Elliott, Mark Everett

International Meeting for Applied Geoscience and Energy (IMAGE)

...Integral equation based wellbore preconditioner for 3D electromagnetic response modeling Marcus Elliott, Mark Everett Integral equation based...

Abstract: Least Squares Pre-Stack Time Migration for Imaging and Reconstruction of Converted Waves; #90224 (2015)

Aaron Stanton

Search and Discovery.com

... and adjoint migration operators are required. Given the simplicity of the Kirchhoff adjoint operator, the forward operator is straightforward to de...

Refracturing Vs. Infill Drilling - A Cost Effective Approach to Enhancing Recovery in Shale Reservoirs

Edgar Urban, Daniel Orozco, Alfonso Fragoso, Karthik Selvan, Roberto Aguilera

Unconventional Resources Technology Conference (URTEC)

... in the unconventional petroleum industry. With the current downturn in global commodities markets, it is imperative for operators to reduce costs...

Abstract: Integration of Seismic and Well Data to Characterize Tar Mat in Carbonate Reservoirs, by Tarek M. Matarid, Christoph T. Lehmann, Khalil I. Hosani, David Cobb, and Adrian Smith; #90105 (2010)

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Varimax-Rotated Visible Derivative Reflectance Spectroscopy of the Utica Shale / Point Pleasant Formation in Ohio

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Geology and Development of Lusk Strawn Field, Eddy and Lea Counties, New Mexico

Dewey E. Thornton , H. H. Gaston, Jr.

AAPG Bulletin

... in the province in search of more Lusk-type production. Elkins, T. A., 1951, The second derivative method of gravity interpretation: Geophysics, v. 16, no. 1, p...

Unlocking the Secrets of the Barents Sea

Halfdan Carstens

GEO ExPro Magazine

...) with the magnetic tilt derivative map, reduced to the pole, High Pass filter 15 km, gravity free air anomaly map, HP filter 15 km (middle) and (top) 3D...

Forced Fluid flow and Diagenesis in Porous Reservoirs Controls on the Spatial Distribution

J. R. Wood, T. A. Hewett

Special Publications of SEPM

... geometries, since the distribution of the altered assemblage is proportional to the directional derivative of the function(s) describing the structures...

Abstracts: Fractional Fourier Transform in Coherent Noise Attenuation; #90173 (2015)

K. H. Miah and M. D. Sacchi

Search and Discovery.com

... transform decomposes a signal into sinusoids and is used in many signal processing applications. The FRFT is a generalized integral transform...

Reservoir and Fracture Flow Characterization Using a Novel ω(τ) Formulation

Xu Xue, Changdong Yang, Vishal Kumar Sharma, Akhil Datta-Gupta, Michael J. King

Unconventional Resources Technology Conference (URTEC)

... solution to the asymptotic pressure approximation in terms of the time derivative of the pressure drop, normalized to its value at the well (τ=0) (King...

Gravity Exploration on the Central Gulf Coast

Jackie D. Stewart

New Orleans Geological Society

... anomaly from regional gravity effects. These include computer applications for generating a variety of residual data sets, derivative operators, etc...

Quantification of Dynamic Sand Settling Velocity in High-Viscosity Friction Reducers and Correlation with Rheology

Y. Thomas Hu, Chris Popeney, Chad Gilmer, Pious Kurian

Unconventional Resources Technology Conference (URTEC)

... deep into the fracture to increase the propped fracture length. How well the sand is placed in the fracture is particularly important for operators...

Deviations from Classical Diffusion Behavior: A Systematic Investigation of Possible Controls on Abnormal Reservoir Signatures

Bin Yuan, Christopher R. Clarkson, Zhenzihao Zhang

Unconventional Resources Technology Conference (URTEC)

... time are commonly used. The integral of rate-normalized pressure (IRNP) and its ′ radial derivative (𝐼𝐼 𝐼𝐼𝐼𝐼𝐼𝐼𝑅𝑅 ) can be used for noisy...

Extended Abstract: Water Influx Predictions in Reservoirs with Aquifer Drive Using the Two-Phase Reservoir Integral Type Pseudo-Pressure with Applicability in Gas Hydrate Reservoirs

Melvin Kome, Mohd Amro

Africa Energy and Technology Conference, 2016

...Extended Abstract: Water Influx Predictions in Reservoirs with Aquifer Drive Using the Two-Phase Reservoir Integral Type Pseudo-Pressure...

Modifications for Fracture Damage and Changing Pressure Drawdown to Improve Accuracy of Duong Decline Model

Himanshu S. Jha, W. John Lee

Unconventional Resources Technology Conference (URTEC)

.... This means that 𝑡𝑡(𝑎𝑎, 𝑚𝑚) should monotonically decrease with increasing time. Therefore, the derivative of 𝑡𝑡(𝑎𝑎, 𝑚𝑚) with respect to time...

Unconventional natural gas resources in Pennsylvania: The backstory of the modern Marcellus Shale play

Kristin M. Carter, John A. Harper, Katherine W. Schmid, Jaime Kostelnik

Environmental Geosciences (DEG)

... used by operators working the Barnett Shale gas play, Range has gone on to complete hundreds of horizontal shale gas wells in Washington County alone...

A Comparative Study of Conventional Arrays of Resistivity Prospecting with Differential Arrays

K. K. Sharma, S. Jayashree

Geological Society of Malaysia (GSM)

... AND JAYASHREE S. Department of Applied Geology University of Madras Guindy, Madras - 600 025 Abstract: The second vertical derivative of gravity and magnetic...

A Diagnostic Approach to Identify Complex Fracture Geometries in Unconventional Reservoirs Using a Semi-Analytical Model

Zhiming Chen, Xinwei Liao, Wei Yu, Kamy Sepehrnoori, Xiaoliang Zhao, Xiaojiang Li, He Sun

Unconventional Resources Technology Conference (URTEC)

... flux; CFD is the dimensionless fracture condu w ywD ,up is the location at outer bounda of fracture Using Lapla transform and integral m t t ary e...

Abstract: Second Derivative Differentiation of Anomalies in Biogeochemical Data, by W. C. Riese and G. B. Michaels; #91004 (1991)

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Estimating Unconformity Thicknesses from Vitrinite Reflectance Data: ABSTRACT

C. G. St. C. Kendall, Ian Lerche

AAPG Bulletin

...) Combining variations of vitrinite reflectance with depth and burial history information enables estimation of the paleoheat flux-time derivative, ß...

Application of Surrogate Models and Derivative-free Optimization in Geothermal Reservoir Modelling

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Tilt-Derivative Filtered Potential Fields Data Unravel the Paleozoic Structure Image in Tinat Field, Saudi Arabia

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Improvement in the Characterization of Vaca Muerta with DFIT Type Curves Analysis

Cristian F. González, Ignacio Arhancet

Unconventional Resources Technology Conference (URTEC)

... operators to stop pumping DFITs in horizontal wells and question its validity. Type-Curves Methodology in DFITs David Craig (2014) presented a new...