Abstract: Attributes of Zoeppritz Elastic Impedance; #90211 (2015)

Jinfeng Ma and Igor Morozov

Search and Discovery.com

..., Canada Abstract Zoeppritz Elastic Impedance (ZEI) (Ma and Igor, 2005) is derived by extending the concept of Elastic Impedance (Connolly, 1999) and ray...

Abstract: Approximation-Free AVO Attributes; #90211 (2015)

Jinfeng Ma and Igor Morozov

Search and Discovery.com

..., such as the various forms of approximate Zoeppritz equations, assumprtions of a constant background velocity ratio, VP/VS=2, or of a heuristic functional...

Abstract: Rock Physics guided Earth model building and Sub-salt angle gather tomography for imaging and pore pressure; #90254 (2016)

Bhaskar Deo, Mohamed F. Doheim, Mahmoud Ahmed, Abdallah Ibrahim, Hany Hussein, Christoph Koeninger, Yousry Ibrahim, Hatem Ewida

Search and Discovery.com

... salt which helps us overcome the ray limitations of the Kirchhoff ray tracing based tomography. We are able to produce a velocity with improves...

Simulation of potassium feldspar dissolution and illitization in the Statfjord Formation, North Sea

Geoffrey Thyne, Bernard P. Boudreau, Mogens Ramm, Ruth Elin Midtbo

AAPG Bulletin

.... Murphy, 1998, Porosity prediction in quartzose sandstones as a function of time, temperature, depth, stylolite frequency, and hydrocarbon saturation: AAPG...

Integrated Petrophysical Formation Evaluation Using Capture Spectroscopy and NMR on an Exploration Well, South Sumatra

ZhanGuo Shi, Mario Petricola, PingZai Wang

Indonesian Petroleum Association

... of the elements. At each depth, the linear combination of those standards is determined through a best-fit procedure, and elemental yields are obtained...

Abstract: Data Mining in Identifying Carbonate Litho-Facies from Well Logs Based from Extreme Learning and Support Vector Machines, by Emad A. El-Sebakhy, Ognian Asparouhov, Abdulazeez Abdulraheem, Abdul-Aziz Al-Majed, Donghui Wu, and Kris Latinski; #90105 (2010)

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The Next Generation of Microseismic Imaging

Marc-André Lambert, Paul West

GEO ExPro Magazine

... by a ray tracing-based travel time inversion. Many microseismic data processing workflows still apply this method. It is overdue for an update. GEO...

Mojave Playa Crusts: Physical Properties and Mineral Content

Arthur M. Langer, Paul F. Kerr

Journal of Sedimentary Research (SEPM)

...). The importance of grain-size is shown in figure 16. The value v as calculated from Darcy's equation is not the actual velocity of flow but rather an indication...

X-Ray Mineralogical Discrimination of Depositional Environments of the Krishna Delta, Peninsular India

Ray E. Ferrell , George F. Hart , Seetarama Swamy , Bhanu Murthy

Journal of Sedimentary Research (SEPM)

...X-Ray Mineralogical Discrimination of Depositional Environments of the Krishna Delta, Peninsular India Ray E. Ferrell , George F. Hart , Seetarama...

Talang Akar (Oligocene) Source Rock Identification from Wireline Logs — Applications in the Deep Ardjuna Basin, Offshore Northwest Java

B. Sukamto, B. Siboro, T. D. Lawrence, S. W. Sinclair

Indonesian Petroleum Association

... the relationship between TOC & HI and individual log responses using standard linear regression equations. The logging measurements tested included gamma ray...

Abstract: Porosity Calibration of Modern Porosity Logs and Old Neutron Logs, by D. W. Dull; #91018 (1992).

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High Frequency Borehole Seismic Acquisition and Its Applications for Reservoir Delineation of the Bunyu Field, Onshore Kalimantan, Indonesia

Adriansyah, Patricius Sembiring, Mohammed Badri, Azhar Akhtar

Indonesian Petroleum Association

.... The first zone found at depth of 2727-2734 m; clearly seen by the Gamma Ray, neutron, density and resistivity logs. The resistivity log shows an increase...

Unconventional Reservoir Characterization of the Brown Dense Mudstone (Lower Smackover Formation), Gulf Coastal Plain, South Arkansas

Peng Li, Michael E. Ratchford, Marc W. Charette, Bradley J. Walls, Richard P. Philp

GCAGS Transactions

... decay permeability shows a linear positive relation with depth, varying from 8.43 × 10−5 md (84.3 nanodarcys) to 4.69 × 10−4 md (469 nanodarcys...

Abstract: Densification and Alteration of Siliciclastics Adjacent to the San Andreas Fault at SAFOD: Implications for Seismic Velocity Structure and Fluid Flow, by Bretani Heron, Judith S. Chester, Frederick M. Chester, and Ray Guillemette; #90124 (2011)

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ABSTRACT: Sandstone and Shale Compaction Curves Derived from Sonic and Gamma Ray Logs in Offshore Wells, North Slope, AlaskaCParameters for Basin Modeling; #90013 (2003)

E. L. Rowan, D. O. Hayba, P. H. Nelson, W. M. Burns, D. W. Houseknecht

Search and Discovery.com

.... For each well, the fraction of shale (Vsh) at a given depth was estimated from the gamma ray log, and porosity was computed from sonic travel time...

Regional Pore Pressure Variations of the Wolfcamp, Dean, Spraberry, and Bone Spring Formations of the Midland and Delaware Basins in the USA

Shuvajit Bhattacharya, Ray Eastwood, Katie Smye, Sam Moonesan, Brian Casey, David Hoffman

Unconventional Resources Technology Conference (URTEC)

... Bhattacharya, Ray Eastwood, Katie Smye, Sam Moonesan, Brian Casey, David Hoffman URTeC: 4042140 Regional Pore Pressure Variations of the Wolfcamp...

Abstract: 3C Deghosting for Refraction Time-lapse Monitoring; #90187 (2014)

P. B. Wills and K. De Meersman

Search and Discovery.com

.... Figure 3 shows data from a single receiver acquired during the last survey and after a linear moveout correction using a 4500m/s velocity and 350 ms bulk...

Characterizing the Near Surface with VSP and Well Logs

Search and Discovery.com

... velocity of 520 m/s was assigned for depths less than 3.9 m (i.e. depth prior to sonic measurements). Since the sonic and density logs were sampled...

Seismic Description of a Complex Carbonate Porosity System; Welch Field, Permian Basin, Texas

George P. Watts, Gregory D. Hinterlong, Archie R. Taylor

West Texas Geological Society

... to the porosity. A multiple variable transform equation was developed and porosity values were estimated at each seismic bin. The seismic-guided porosity map ties...

A Comprehensive Approach to Water Volume Estimation in Unconventional Shale Reservoirs Through Physics-Informed Statistical Modeling

Bo Gong, Aygul Kostinovsky, Mehrnoosh Saneifar, Luisa Crousse, Mason Edwards

Unconventional Resources Technology Conference (URTEC)

... for consistent water-filled porosity in wells with standard triplecombo logging suites. Starting with Archie’s equation, we establish the square root of electrical...

Abstract: Paleosalinity Reconstruction of Lacustrine Basins through the Evaluation of Boron; #90321 (2018)

Xue Zhang

Search and Discovery.com

... of differences in reactivity of different clay minerals with boron, the Couch’s equation has been used to calculate the paleosalinity widely. However...

Chapter 10: The Role of Integrated Reservoir Petrophysics in Horizontal Well Evaluations to Increase Production in the Eagle Ford Shale

Kevin B. Fisher

AAPG Special Volumes

... corrections are necessary for gamma ray and neutron measurements. Since the major mineral in the Eagle Ford is calcite, the velocity is fast enough...

Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey

Michele Buia, Suyang Chen, Olga Zdraveva, Swee Leng Ng, Martin Bayly, Michelle Tham

Indonesian Petroleum Association

...Anisotropic Multi-Azimuthal Velocity Model Building and Depth Imaging on Tulip 3D Coil Shooting Survey Michele Buia, Suyang Chen, Olga Zdraveva, Swee...

ABSTRACT: New Wave Parameters Due To Shoaling, by W. F. Tanner; #90941 (1997).

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Abstracts: S-wave Attenuation within the Weathering Layer of an Alberta Heavy Oil Field; #90173 (2015)

Kristof De Meersman

Search and Discovery.com

... that are at a common depth within a 1D velocity structure. We will also assume that the bulk of the refracted energy in our experiment can...