Case Studies - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archies Series No. 2

Hezhu Yin

AAPG Special Volumes

... assigned 1 ohm m resistivity. Figure 5.1 shows the ILD response for beds with differing apparent thickness in measured depth (MD). For the case...

Laminated Reservoir Evaluation in a Case of High Apparent Dip

Gary Frisch, B. Dean Gulick, Michael Manning

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... or on analyses of resistivity responses in multiple wells with different apparent dips; and then iteratively computes both the longitudinal component of shale...

Geopressure Analysis in the Subsalt Knotty Head Field, Deepwater Gulf of Mexico

Kenneth E. Williams, Richard Redhead, and William Standifird

GCAGS Transactions

... pressure. The resistivity-based analysis shows wide swings of 2-4 ppg in the apparent pore pressure, some of which closely match the measured...

Magnetotelluric Sounding in the Yenisey-Khatanga and Noril’sk-Kharayelakh Downwarps

V. M. Salov, V. N. Uklein, V. A. Kanunnikov

Petroleum Geology: A Digest of Russian Literature

.... 1-Isolines of differentiated apparent electrical resistivity, ohm-m; 2-zones of anomalously high resistivity; 3-magnetotelluric sounding points...

Use of Geophysical Methods for Study of Borehole Sections in Connection with Calculation of Reserves

V. N. Dakhnov

Petroleum Geology: A Digest of Russian Literature

... of apparent resistivity and potentials of self polarization of the rocks, microsondes, intensity of natural and radiational gamma radiation...

Abstract: Binning Method for Mapping Irregularly Distributed Continuous Resistivity Profiling Data onto a Regular Grid for 3d Inversion, by Tian Xu and John A. Dunbar; #90182 (2013)

Search and Discovery.com

Abstract: Lightning Sparks Interest in the Unconventional Mapping of Active Subsurface Faults; #90285 (2016)

Louis Berent, Roice Nelson

Search and Discovery.com

... and subsurface geology. 3D apparent resistivity volumes can be generated from lightning data and displayed in the same fashion as 3D seismic data...

Advances in Technique and Application of Resistivity and Potential-Drop-Ratio Methods in Oil Prospecting

C. A. Heiland

AAPG Bulletin

.... Eng.) New York, 1932, pp. 423-42. 12. J. N. Hummel, "A Theoretical Study of Apparent Resistivity in Surface Potential Methods," Geophysical...

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

Charles B. Connor, Stewart K. Sandberg

Bulletin of South Texas Geological Society

... milliseconds. Time-dependent apparent resistivity was deduced from the time derivative of the magnetic field using the methods of Sandberg (1990). Briefly...

Deep Electrical Prospecting

J. C. Karcher , Eugene McDermott

AAPG Bulletin

... with fresh water, gas, or oil, the apparent resistivity of the rock as observed by the ordinary methods of electrical prospecting will be large. Non-porous...

Earth Resistivities at Depths Less Than One Hundred Feet

W. D. Keller

AAPG Bulletin

... kinds of rocks to depths of 100 feet were obtained under known field conditions. The resistivity-depth relations are plotted in the conventional manner...

Insight from AIP modelling of VTEM ET data from Colorado

Andrea Viezzoli, Burke Minsley, Antonio Menghini

Petroleum Exploration Society of Australia (PESA)

... apparent chargeability/resistivity and inverted chargeability/resistivity is given in Figure 3, for another line of data (Figure 1b). Once again...

Geophysical Data on the Change in Oil Saturation of Reservoirs During Exploitation

A. A. Valuyskiy

Petroleum Geology: A Digest of Russian Literature

.... Zhuravlev, V. P. and Popov, V. K., 1962, Calculation of the shielding effects on apparent resistivity logs of two points of strata in interpreting...

NW Arklon Field

Editors: Edward D. Dolly and James C. Mullarkey

Rocky Mountain Association of Geologists

...NW Arklon Field Editors: Edward D. Dolly and James C. Mullarkey Producing Low Contrast, Low Resistivity Reservoirs Guidebook - 1996 BUSH #B-l NW...

Diagnostic Resistivity Sounding Curves of Karstic Aquifers in the Chuping Limestone

Mohammed Sayyadul Arafin, C. Y. Lee

Geological Society of Malaysia (GSM)

... ofthe apparent resistivity) ofthese two VES curves are similar although they are about 300m apart. The minimum ofGS 863 is however located at larger...

Application of the surface azimuthal electrical resistivity survey method to determine patterns of regional joint orientation in glacial tills

Douglas Carlson

Environmental Geosciences (DEG)

... array rotated about a fixed center point at selected degree intervals that yields an apparent resistivity ellipse. From this ellipse, joint set...

A Versatile Windows Based Multi-Electrode Acquisition System for DC Electrical Methods Surveys

Douglas D. Werkema, Jr., Estella Atekwana, William Sauck, Johnson Asumadui

Environmental Geosciences (DEG)

... the contact resistance to increase with time. The average apparent resistivity calculated for automatically and manually acquired data is 17.085 and 16.992 Ωm...

Use of Microprobe Diagrams for Distinguishing Reservoirs in Carbonate Sections

N. A. Perkov Н. А. Перьков

Petroleum Geology: A Digest of Russian Literature

... of the well if the apparent resistivity is low. Intervals were selected preferably which are represented by carbonate rocks comparatively free of clay...

Integrated geophysical and chemical study in the lower subbasin of Gadilam River, Tamilnadu, India

M. V. Prasanna, S. Chidambaram, S. Pethaperumal, K. Srinivasamoorthy, A. John Peter, P. Anandhan, M. Vasanthavigar

Environmental Geosciences (DEG)

... the parameters (thickness and true resistivities) such that the theoretical apparent resistivities mimic the observed ones. The interpretation of resistivity...

Numerical and physical simulations of borehole resistivity logging in high-resistance formation

Yizhi Wu, Zhentao Sun, Yiren Fan

International Meeting for Applied Geoscience and Energy (IMAGE)

... assigned shielding electrodes. Six apparent resistivity curves with varying DOIs can be obtained, named RLA0 ~ RLA5. The definition of five apparent...

“Delaware Effect” and the Ramsey Sandstone Ford Geraldine Unit Reeves and Culberson Counties, Texas

G. B. Asquith, S. P. Dutton, A. G. Cole

West Texas Geological Society

... the surveying electrode (Ao) to the logging cable (B) located in the high-resistivity bed has a high resistance path, this causes the apparent...

ABSTRACT: Resistivity Imaging and Natural Potential Applications to the Antioch Fault Zone in the Onion Creek / Barton Springs Segment of the Edwards Aquifer, Buda, Texas, by Mustafa Saribudak, Brian Hunt, and Brian Smith; #90158 (2012)

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Application of transient electromagnetic method (TEM) technique in South-East Asia: Case studies from onshore Sarawak and North Sumatra

Yuri Agafonov, Igor Buddo, Olga Tokareva, M. Shukur M. Ali, Mustapha M. Salleh

Geological Society of Malaysia (GSM)

.... Figure 1 shows typical apparent resistivity ρτ and apparent conductivity Sτ(Hτ) curves, which reflect the geoelectric sections characteristics within...

Artificial Fracturing of Carbonate Rocks of the Miocene and Its Effect on the Results of Geophysical Investigations of Wells

A. Z. Beccher, A. A. Valuyskiy, Ye. A. Kislitsyna

Petroleum Geology: A Digest of Russian Literature

... of wells. An electrical log of these sediments is shown in Fig. 1. Figure 1. Apparent resistivity and SP logs of well 315 of the Abino-Ukrain field...

Estimation of Interparticle and Separate-Vug Porosities from Resistivity and Total-Porosity Logs

Jeffrey A. Kane

West Texas Geological Society

...Estimation of Interparticle and Separate-Vug Porosities from Resistivity and Total-Porosity Logs Jeffrey A. Kane 2003 263 272 Porosity types other...