Percentile Log Normalization: Example from Bar-Mar Field, Crane County, Texas

Mark R. Vining

West Texas Geological Society

... of a formation property (gamma-ray or porosity, for example) remain constant and can be used to calibrate the log. Bar-Mar Field Bar-Mar Field lies...

Abstract: Enhancement of Static Correction by Turning-Ray Tomography, by Djarfour Noureddine and Mender Mourad; #90077 (2008)

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Rock physics diagnostics and modeling for shale gas formation characterization in China

Gang Yu, Yusheng Zhang, Paola Newton, Ilgar Azizov

Unconventional Resources Technology Conference (URTEC)

... of the shale gas formation including VP velocity vs density, Acoustic Impedance (AI) vs total porosity (ΦT), AI vs Poisson’s Ratio (PR), and VP vs VS...

Well StudySauk III-IV Interval in the American Quasar 16-21A Horse Heaven-state Well, Confusion Range, West-central Utah

Kevin R. Evans, James F. Miller, Benjamin F. Dattilo

AAPG Special Volumes

... depth of 12,141 ft (3701 m; log depth, 12,125 ft [3696 m]), after which it was plugged and abandoned. Figure 3 shows the gamma-ray and sonic logs...

Resurrecting Ray Tracing in the Papuan Fold Belt as a Standard Procedure

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Abstract: A Comparison of Standard Migration with EOM for Hussar Data; #90174 (2014)

Thais A. Guirigay, John C. Bancroft, and J. Helen Isaac

Search and Discovery.com

... plot and therefore improve the resolution of velocity analysis over conventional common midpoint gathers. Introduction Migration is one of the most...

Distinguishing Water Saturation Changes from Porosity or Clay Content Changes Using Multicomponent Seismic Data

Fuping Zhu, Richard L. Gibson, Jr., Joel S. Watkins, Sung H. Yuh

GCAGS Transactions

..., 1980). Sand Vp, Vs, and density variations as functions of water saturation are computed using Gassmann's equation (Wang and Nur, 1992). Sand velocity...

Abstract: Data Processing from a Single-Well Microseismic Monitoring in Western Canada Using a Newly Developed MATLAB Based Package (Camps); #90224 (2015)

Jubran Akram and David W. Eaton

Search and Discovery.com

... velocity model was calibrated with the recorded perforation shots using a non-linear optimization (pattern-search based) approach (Akram and Eaton...

Fractal characteristics of the anisotropic microstructure and pore distribution of low-rank coal

Junpeng Zou, Weizhong Chen, Diansen Yang, Jingqiang Yuan, and Yu-Yong Jiao

AAPG Bulletin

...n and evaluation by quantitative x-ray CT imaging: Fuel, v. 80, no. 4, p. 509–520, doi:10.1016/S0016-2361(00)00112-5. Kaufmann, J., R. Lose...

Identification and distribution of hydraulic flow units of heterogeneous reservoir in Obaiyed gas field, Western Desert, Egypt: A case study

Mohamed A. Kassab, Ahmed Elgibaly, Ali Abbas, and Ibrahim Mabrouk

AAPG Bulletin

..., the first track is the gamma-ray (GR) log, then the measured depth (MD) and the true vertical depth below sea level (TVDSS). Then the porosity logs...

Statistical Characterization and Geological Correlation of Wells Using Automatic Learning Gaussian Mixture Models

David, Lubo, Vikram Jayaram

Unconventional Resources Technology Conference (URTEC)

..., Topaz and M08, extracting Poisson’s Ratio (dimensionless), Density (in g/cm3), Compressional Velocity (in µs/ft) and Gamma Ray (in API units). We...

Use of Thermal and Epithermal Neutron Measurements in Shaly Sand Evaluation

John Puffer , Gerrit d'Ablaing IV , Tim Toth , Harold Darling

GCAGS Transactions

... gamma ray data. Figure 9 shows the linear trend between the epithermal-density difference and the spectral gamma ray data. The end points for "clean...

Sediment source regions and paleotransport of the Upper Jurassic Norphlet Formation, eastern Gulf of Mexico

Bryan Hunt, Delores M. Robinson, Amy L. Weislogel, and Ryan C. Ewing

AAPG Bulletin

... increase, whereas the spontaneous potential decreases, and the gamma-ray log does not reach this depth. The quartzose-sandstone lithofacies...

Unconventional Gas Mining: Insights from Pore to Mine Scale Simulations

Huilin Xing, Jinfang Gao, Geoff Wang, Hans Muhlhaus

Petroleum Exploration Society of Australia (PESA)

... the conventional LBM (CLBM) algorithm for simulating the microscale processes based on a micro-structural high resolution X-ray/CT/MRI/ SEM...

Porosity distribution prediction of untapped Gumai Formation by applying multi-attribute analysis: A case study in South Sumatra Basin

Mohammad Risyad, Muhammad Fahmi Yahya Faizan

Petroleum Exploration Society of Australia (PESA)

.... Normally linear regression is performed to obtain mathematical equation between two quantities. Addition of colour may help in making the best cross...

A cross-shape deep Boltzmann machine for petrophysical seismic inversion

Son Dang Phan and Mrinal K. Sen

AAPG Bulletin

... line. The available logs include the gamma ray, density, sonic and shear velocity, and resistivity (which is not shown in this figure). The target...

The Application of Induced Gamma-Ray Spectroscopy in Cased Hole Formation Evaluation in Sumatra, Indonesia

W. D. Morgan, R. C. Hertzog

Indonesian Petroleum Association

... (see references 1 and 2 for discussion) : In this equation, A is the normalization constant which represents the relative gamma-ray excitation cross...

Improving Wolfcamp B3 Drilling and Production by Integrating Core, Mud logs, Electrical Logs, Seismic Inversion, Microseismic and Drilling Data

Hongzhuan Ye, Lowell Waite, Robert Meek

Unconventional Resources Technology Conference (URTEC)

... = weight on bit, in pounds; MD = measured depth, in feet. 5 URTeC 2133377 6 Figure 4: Wolfcamp B3 log derived impedance verses normalized gamma ray...

Automatic rock strength prediction in data-limited wells

Max Millen, Scott Mildren, Thomas Flottmann

Australian Energy Producers Journal

... the velocity range. The depth plot demonstrates an increasing velocity trend with depth that is more pronounced in the actual data than the predictions...

Advanced VSP modeling for efficient data acquisition in deepwater subsalt well

Manish Lal Khaitan, Rafael Guerra, Francesco Miranda, Emmanuel Spadavecchia

International Meeting for Applied Geoscience and Energy (IMAGE)

...) and full waveform inversion (FWI). We review in the next section the VSP modeling performed. Method Separate velocity models were created for ray...

Abstract: Abstract: Compositional Characterization of Phase 3 Core from the San Andreas Fault Observatory at Depth (SAFOD), Near Parkfield, CA Using Integrated Geological and Geophysical Techniques: Implications for Near Fault Zone Deformation at Seismogenic Depths, by Kelly Keighley Bradbury; #90083 (2008)

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A novel approach to hydrocarbon reserves estimation through the integration of AI-based solutions: 3D gamma-ray prediction and 3D seismic clustering

Konstantin Matrosov, Orkhan Mammadov, Tarek Eliva, Ruslan Malikov, Izat Shahsenov

International Meeting for Applied Geoscience and Energy (IMAGE)

...A novel approach to hydrocarbon reserves estimation through the integration of AI-based solutions: 3D gamma-ray prediction and 3D seismic clustering...

A Comparison of Air Photograph and Computer Simulated Wave Refraction Patterns in the Nearshore Area, Richibucto, Canada and Jervis Bay, Australia

Edward A. Bryant

Atlantic Geology

... linear theory for progressive periodic waves which assumes a small wave steepness, a constant depth and a wave period which is a constant unique function...

Geologic-carbon-sequestration potential of the Ordovician St. Peter Sandstone, Michigan and Illinois Basins, United States

David A. Barnes, Kevin M. Ellett, and John A. Rupp

Environmental Geosciences (DEG)

... of the St. Peter Sandstone was initially modeled by using a depth-based linear function that was fit using regression against core analyses from all...

First Implementation of Hybrid Fiber Optic Cable in Indonesia - Carbon Reduction through Leading-Edge Technology

Marsha Sakina, Dinda Larasati Rahmani, Fajar Tri Prasetia, Cikko Majesta, Francesco Miranda

Indonesian Petroleum Association

... time and depth to generate a reliable velocity profile/ time-to-depth relationship. First, the geometry angle computation is performed to select...