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The AAPG/Datapages Combined Publications Database
Showing 25,591 Results. Searched 195,387 documents.
Some Results of Investigation of Penetration of Mud Filtrate into Oil-Water Strata
V. I. Azamatov
Petroleum Geology: A Digest of Russian Literature
... of resistivity, becoming sharper, shifted to the top of the stratum. With the second log the value of the apparent resistivity of the stratum decreased...
1965
Niobrara Maturity Goes Up, Resistivity Goes Down; What's Going On?
Stephen Cumella, Mohammed Al Duhailan
Unconventional Resources Technology Conference (URTEC)
...Niobrara Maturity Goes Up, Resistivity Goes Down; What's Going On? Stephen Cumella, Mohammed Al Duhailan URTeC: 1922820 Niobrara Maturity Goes Up...
2014
Quantitative Electric Log Interpretation of "D" and "J" Sands-Denver Basin
J. Grynberg
Rocky Mountain Association of Geologists
.... These equations are various Bessel functions, which will not be discussed in this paper. However, we can define the short normal apparent resistivity, R...
1956
Advanced Horizontal Technologies Improve Drilling Performance in the Barnett Shale
Sandeep Janwadkar
Search and Discovery.com
... to be controlled below 50 ft/hr to ensure good image quality. To overcome this challenge state-of-the art resistivity imaging LWD tools were developed...
2009
Combination of Deep-Reading and Near-Wellbore-Scale Measurement in Accessing Thin Layer Facies of a Carbonate Reservoir, #42511 (2020).
Adrean Pudyaksa, Hendri Harsian, Takefumi Shibuya, Ni Made Wilasari, Olivia Azwar, Ihsan Taufik Pasaribu,
Search and Discovery.com
... assessment, which proposed a hybrid approach of reservoir mapping while drilling, near-wellbore formation resistivity images, and cuttings information...
2020
Electrical Logging Problems in the Eocene Wilcox
R. P. Alger
GCAGS Transactions
... from the short normal and RInd as the apparent induction log resistivity -- a solution for both the depth of invasion in terms of bore hole diameter...
1954
ABSTRACT: Performance of High Resolution Induction Tool (HRI) in WRBC; #90007 (2002)
B.R. Kundu, K.K. Prasad, Chatar Singh
Search and Discovery.com
... that for generating resistivity data of reliable quality from HRI tool, it should be run against the zones where Rm is above 0.1 ohm.m at formation...
Unknown
ABSTRACT: PERFORMANCE OF HIGH RESOLUTION INDUCTION TOOL (HRI) IN WRBC; #90013 (2003)
B. R. KUNDU, K. K. PRASAD, CHATAR SINGH
Search and Discovery.com
... brings out that for generating resistivity data of reliable quality from HRI tool, it should be run against the zones where Rm is above 0.1 ohm.m...
2003
Efficiency of Tdem and EM-IP Methods Application for Reservoirs Exploration in South East Asia (Geophysics Paper 2)
Yuri A. Agafonov, Mustapha M. Salleh, Sophia V. Kompaniets, Olga V. Markovceva, Ilya V. Egorov, Igor V. Bouddo
Geological Society of Malaysia (GSM)
... presence indicator. Geoelectric models with IP anomaly at the 2 layer and without it (above) and apparent resistivity curves for template АВ=1200 m...
2011
Porosity-Profile Determination from Electric Logs
T. R. Wright , Sylvain J. Pirson
AAPG Bulletin
..., bore-hole size, and electrode spacing, only an apparent resistivity ^rgra is measured which must be corrected in order to obtain ^rgri. This is done...
1952
Electrical Well Logging
Houston Geological Society Study Group
AAPG Bulletin
..., particularly Zaba on the self-potential curve, Smith on the resistivity curve, Spooner and Masterson on sands, Graham and Cantrell on reactions in salt...
1939
Abstract: Reducing Reservoir Model Uncertainties with Real-time Fluid Contact Mapping Using Extra-Deep Azimuthal Resistivity - Case Study from a Mature Oilfield, Offshore China; #91204 (2023)
Xiaofei Gao, Sanjun Chen, Lei Yu, Hai Wang, Viet Nguyen, Da Hai Wang
Search and Discovery.com
... and achieve the ultimate well objectives. From the results, it was apparent that the extra-deep azimuthal resistivity (EDAR) logging-while-drilling...
2023
Interpretation of Electrical Well Logs in the Mid-Continent Area
Clyde E. Davis
Tulsa Geological Society
... is not being measured. The reading which is found on the log is an apparent resistivity reading and is indicative of the quantity of current which did...
1944
Abstract: Sub-Basalt Integrated Geophysical Study Islandmagee, Northern Ireland; #90171 (2013)
M. Best, R. Charters, K. Morrison, and C. Nahas
Search and Discovery.com
...)) was carried out to generate resistivity depth profiles from the Wenner apparent resistivity pseudosections. A Scintrex CG-5 gravity meter was used...
2013
Abstract: Sub-Basalt Integrated Geophysical Study Islandmagee, Northern Ireland; #90171 (2013)
M. Best, R. Charters, K. Morrison, and C. Nahas
Search and Discovery.com
...)) was carried out to generate resistivity depth profiles from the Wenner apparent resistivity pseudosections. A Scintrex CG-5 gravity meter was used...
2013
Lightning Analysis for Mapping Faults and Identifying Exploration Sweetspots; #41987 (2017)
H. Roice Nelson, Jr.
Search and Discovery.com
... is calculated as the apparent resistivity in the lightning relaxation oscillator circuit. We can place this calculated value at the surface, and average...
2017
Determination of the Porosity of the Mesozoic Sediments of the Middle Ob Area
Ye. I. Leont’yev
Petroleum Geology: A Digest of Russian Literature
.... The parameter of porosity Rp is determined with the microsonde according to the specific resistivity of the rock ϱpp close to the borehole and according...
1961
Inversion of magnetotellurics data with enhanced structural fidelity
Federico Golfré Andreasi, Simone Re, Federico Ceci, Luca Masnaghetti
Petroleum Exploration Society of Australia (PESA)
... in the subsurface with a high degree of fidelity is limited by the “integral effect” of the apparent resistivity and by the generic regularization term Φ...
2019
Inversion of Magnetotelluric (MT) Data with Enhanced Structural Fidelity, #42333 (2018).
Federico Golfre Andreasi, Simone Re, Federico Ceci, Luca Masnaghetti
Search and Discovery.com
... of fidelity is limited by the “integral effect” of the apparent resistivity and by the generic regularization term Φ (𝐦) that privileges the smoothness...
2018
Some Applications of the Combined Use of Cure Analysis and Electric Log Data
T. Kennaird
Geological Society of Malaysia (GSM)
... assessment of pay zones can be made on the basis of log data alone. For example, zones showing an apparent water saturation of greater than 50 percent...
1988
Contribution to Prospect De-risking on the Veslemøy High, SW Barents Sea - An Offshore Vertical Source, Vertical Receiver CSEM Survey; #40868 (2012)
Enric Leon and Jon-Mattis Borven
Search and Discovery.com
... at the position of the target structure, consistent with preinversion apparent resistivity results. From the exploration company‟s point of view...
2012
Evaluation of Geophysical Techniques in the Determination of a Salt Contaminated Environment, #80535 (2016).
Walter Reed, Michael Foust, Heather L. Lehto, James W. Ward, Jason Payne
Search and Discovery.com
... methods including galvanic DC resistivity, capacitively coupled resistivity, and frequency domain conductivity. Galvanic resistivity surveys have been...
2016
Sensitivities, Limitations, and Error Inherent in Resistivity-tool-response Modeling - Application of Resistivity-Tool-Response Modeling for Formation Evaluation - Archie Series No. 2
Hezhu Yin
AAPG Special Volumes
... for the resistivity to Sw calculation, then the apparent water saturation (Swa) can be expressed as (6-11) and then the ratio of Swa to the true water...
2011
Efficient Geophysical Program for Investigation of Drill Holes in the Kuybyshev Region
B. Ye. Fel’dman
Petroleum Geology: A Digest of Russian Literature
...h resistivity with small thickness and clearly marks the base of a stratum and the position of the water-oil or water-gas contact. Values of apparent specifi...
1964
Modelling an Ultra-Long Electrical Device, and Application in Interpretation of a Hot Dry Rock Geothermal Reservoir
John Lovell, Makoto Miyairi, Kazuhiko Tezuka, Gordon Mowat
Indonesian Petroleum Association
.... By entering the apparent resistivity measured by the tool at a point on the Ra axis and then projecting down to the Rt axis, we obtain the true formation...
1990