Migration Velocity Analysis by Migration of Velocity Spectra

Craig J. Beasley, Rolf Klotz

Southeast Asia Petroleum Exploration Society (SEAPEX)

...) corrected data. While DMO velocities are typically more closely tied to the true subsurface velocity than are conventional stacking velocities...

Null Combination in Fault Interpretation: GEOLOGICAL NOTES

John L. Redmond

AAPG Bulletin

..., and the resulting determination may be true or false. Even if all angular variables are known, it may be necessary to find the null combination before...

Karst Type of Porosity of Productive Carbonate Sediments

V. N. Dakhnov, E. M. Galimov

Petroleum Geology: A Digest of Russian Literature

... - all indicate a condition favorable for karst formation. The latter commonly extends to relatively great depths; this is probably true in the Korobka...

Mapping the Natural Fracture Network in Utica Shale Using Artificial Intelligence (AI)

Shahab D. Mohaghegh

Unconventional Resources Technology Conference (URTEC)

... Resistivity, Density, TOC, and VCL), then the only parameter left that still can impact well productivity, would be what we have chosen to call...

Core Handling, Sedimentology, and Petrophysical Log Response of a Horizontal Core, Barque Field, United Kingdom Sector, Southern North Sea

R. Maskall , I. Reid , M. Urquhart

AAPG Bulletin

... and water-laid facies on either side of a central column containing a cartoon indicating the relative proportions of each facies. DETERMINATION...

Lithofacies Mapping of Viola Limestone in South-Central Kansas, Based on Wireline Logs

E. Bornemann , J. H. Doveton

AAPG Bulletin

..., University of Kansas, 66 p. Savre, W. C., 1963, Determination of a more accurate porosity and mineral composition in complex lithologies...

Anomalous Mechanical Well Log Resistivities in the Middle Morrow Sandstones of Southeast Colorado

Cliff Nolte

Rocky Mountain Association of Geologists

... “low” resistivities and water has been produced from sandstones exhibiting “high” resistivities. This is especially true in the Stateline complex...

Characterization and Evaluation of the Bakken Petroleum System for CO2 Enhanced Oil Recovery

James Sorensen, Steven Hawthorne, Bethany Kurz, Jason Braunberger, Guoxiang Liu, Charles Gorecki, John Hamling, Steven Smith, Edward Steadman, John Harju

Unconventional Resources Technology Conference (URTEC)

... and determination of minerals Energy-dispersive spectroscopy (EDS) to provide quantitative elemental analysis and determination of minerals Porosity determination...

Lithologically Controlled Pore Pressure Prediction and Geomechanical Modeling Using Probabilistic Multivariate Clustering Analysis and an Expert System

Alan A. Curtis, Eric Eslinger, Randy Nickerson, Siva Nookala, Francis Boyle

Unconventional Resources Technology Conference (URTEC)

... determination of the lithology and then also the means of incorporating this understanding into subsequent pressure and geomechanical calculations...

Mesozoic Igneous Rocks of Northern Gulf Coastal Plain

C. L. Moody

AAPG Bulletin

... feet. Determination of the depth of cover under which the intrusive masses were emplaced is dependent on interpretation of regional stratigraphy...

Laboratory-Based Characterization of Pore Network and Matrix Permeability in the Montney Formation: Insights from Methodology Comparisons

Amin Ghanizadeh, Christopher R. Clarkson, Atena Vahedian, Omid H. Ardakani, James M. Wood, Hamed Sanei

CSPG Bulletin

... the Montney Formation (Western Canada). The primary objectives are to: 1) compare different laboratory-based methodologies for determination of porosity...

The Evaluation of an Oil Discovery: How to Locate the Second, Third and Fourth Wells

Parke A. Dickey

Southeast Asia Petroleum Exploration Society (SEAPEX)

... determination, in C.E. Payton, ed., Seismic stratigraphy: AAPG Memoir 26, p. 301–328. Weber, K.J., 1971, Sedimentological aspects of oil fields...

Stratigraphy of the Cody Shale and Younger Cretaceous and Paleocene Rocks in the Western and Southern Parts of the Wind River Basin, Wyoming

W. R. Keefer, E. I. Rich

Wyoming Geological Association

.... Electric logs of the shaly member exhibit several distinctive resistivity peaks which can be used for correlation, in some cases, over extensive areas...

Application and Theory of Soilgas Geochemistry in Petroleum Exploration: Chapter 15: GEOCHEMICAL METHODS AND EXPLORATION

David M. Richers, L. E. Maxwell

AAPG Special Volumes

.... Furthermore, the quantity and composition of hydrocarbon gases in the soil may be affected by the local geology. Consequently, the true meaning...

Treatise of Petroleum Geology / Handbook of Petroleum Geology: Exploring for Oil and Gas Traps. Chapter 9: Predicting Reservoir System Quality and Performance

Dan J. Hartmann and Edward A. Beaumont

AAPG Special Volumes

... = true resistivity of the formation, corrected for invasion, borehole, thin bed, and other effects   Limitations of the Archie equation Even...

Effect of pore structure on the producibility of tight-gas sandstones

A. Sakhaee-Pour, Steven L. Bryant

AAPG Bulletin

... measured by drainage and imbibition tests (mercury intrusion, withdrawal, and porous plate) and by resistivity analyses. We use the ratio of residual...

Improved Decision Making Through Optimized Data Acquisition Program in Deepwater Exploration Drilling - A Case Study from East Kalimantan

Graziano Capone, Lilik Budi Riyanto, Cikko Majesta, Ali Shahbazi Fakhr, Hengky Ng, Yevgeniy Karpekin

Indonesian Petroleum Association

..., for which only neutron-density and triaxial resistivity logs were acquired before conducting the drillstem test (DST). A good match of the log-predicted...

Borehole Geophysics and Geology of Test and Monitor Wells in Eastern Nevada

Douglas C. Muller, Harvey Eastman, Todd Gurnee, Jason Mace

Utah Geological Association

...-T, and sonic porosity. Schlumberger’s resistivity and sonic delta-T logs have been corrected for borehole environmental effects to determine the true...

Applying Rock Physic Models for Optimized Pore Pressure Prediction

Joel K. Loeffler, Sam Green, Jakob Heller, Lev Vernik

GCAGS Transactions

... porosity and resistivity logs: American Association of Petroleum Geologists Bulletin, v. 74, p. 1777–1794. Rauch-Davies, M., B. Schmicker, S. W...

Wellbore Placement in the Middle Bakken Formation Using an Azimuthal Gamma-Ray Measurement

Susana Gutierrez Carrilero, Tim Parker, David Hinz, Eric Shearer, Dan Carson

Unconventional Resources Technology Conference (URTEC)

... to true dips using borehole surveys. URTeC 2461299 Page Number Figure 6: Calculation of borehole dips with borehole imaging software and rotation...

Common Oil Field Abbreviations and Conversion Chart

AAPG Special Volumes

... (ran) in hole RM: ream rng: running rmv: remove RO: reversed out RPM: revolutions per minute rpt: report RR: rotary rig rr: rare Rt: true resistivity...

Estimation of the Distribution of Fractures in Reservoirs of Oil and Gas by Photography at Depth

F. I. Kotyakhov, S. A. Serebrennikov

Petroleum Geology: A Digest of Russian Literature

...: Neft. Khoz., no. 9. 2. Kotyakhov, F. I., et al., 1961, Determination of the physical parameters of fracture reservoirs using borehole photography: ibid...

Derivation of a Size-Frequency Curve from the Cumulative Curve

James Bush

Journal of Sedimentary Research (SEPM)

... to interpolate points from a cumulative curve for the determination of the frequency curve, it is first necessary to draw the cumulative curve. Table 1 lists...

Geomechanics: Pressure, Stress Field, and Hydraulic Fractures

Raúl A. Varela, Denis Marchal, Sergio Cuervo, Ezequiel F. Lombardo, Yonatan S. Perl, Damián E. Hryb, Osvaldo Nielsen, Pablo Pateti

AAPG Special Volumes

.... Frydman, M., F. Pacheco, J. Pastor, F. C. Canesin, J. Caniggia, and H. Davey, 2016, Comprehensive determination of the far-field earth stresses...

Chapter 4: Delineation of an Oil Window—An Integrated Approach

Roberto Alaniz, Robert Garrison, Ryan Harbor, Steven Keenan, Chester Pieprzica

AAPG Special Volumes

... at a pressure gradient of 0.76 psi/ft, at a subsurface true vertical depth (TVD) of 9300 ft (2834.6 m). Although a wet gas producer, this well was a critical...