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The AAPG/Datapages Combined Publications Database
Showing 25,044 Results. Searched 190,731 documents.
Recognition of boulder in granite deposit using integrated borehole and 2D electrical resistivity imaging for effective mine planning and development
Muhammad Junaid, Rini Asnida Abdullah, Radzuan Saa'ri, M. Alel, Wahid Ali, Arshad Ullah
Geological Society of Malaysia (GSM)
... having lengths of 400 m each, schematized in Figure 3. The subsurface apparent resistivity data was acquired by exploiting multichannel ABEM LS...
2019
Abstract: Development of Empirical Formation Factors to Estimate Water Quality from Electrical Logs for the Southern Hills Aquifer System of Southeastern Louisiana, by Thomas P. Van Biersel; #90069 (2007)
Search and Discovery.com
2007
Geophysical Signature of Haby Crossing Fault and Its Implication on Edwards Recharge Zone, Medina County, Texas
Mustafa Saribudak, Alf Hawkins, Kerlon Saraiva, Jenna Terez, Kim Stoker
Bulletin of South Texas Geological Society
... can be combined into a single apparent-resistivity data set during processing. Appropriate quality assurance/quality control procedures such as testing...
2009
The Use of Geoelectrical Imaging Surveys for the Delineation of Different Subsurface Geological and Man-Made Features
S. S. Abdul Nassir, C. Y. Lee
Geological Society of Malaysia (GSM)
... multi-electrode Wenner system. The apparent resistivity datum pOints arrangement E1 E50 xxxxxxxxxxxxxxxxxxxxxxx~x~xxx~x~xxx~xxxxxx~xxxx...
1999
A Comparative Study of Conventional Arrays of Resistivity Prospecting with Differential Arrays
K. K. Sharma, S. Jayashree
Geological Society of Malaysia (GSM)
... over a conducting substratum (Fig. 2). For the first case (Fig. 1) the apparent resistivity curve obtained with a dipole array differs from those...
1996
Analysis of Magnetite Mineral Influence on Clean Sandstone Reservoir Resistivity through Correction Methods in Low Resistivity Pay Zone
Erwandi Yanto, Sarju Winardi
Indonesian Petroleum Association
...Analysis of Magnetite Mineral Influence on Clean Sandstone Reservoir Resistivity through Correction Methods in Low Resistivity Pay Zone Erwandi Yanto...
2015
Expulsion of Water from Clays with Anomalously High Pore Pressures in Reservoirs
Kh. B. Yusufzade, G. I. Nabiyev, E. N. Dergunov
Petroleum Geology: A Digest of Russian Literature
... considerably. Indication of the phenomenon is an increase in values of apparent electrical resistivity in clay members of those wells drilled at some...
1979
Salinity Of Water In The Tulare Formation At The Elk Hills Field: Identification Of Protected And Non-Protected Water For SB-4 And Other Regulatory Reporting
Search and Discovery.com
N/A
Determination of the Initial Water-Oil Contact in the Clastic Reservoirs of the Devonian of Tataria
D. A. Shapiro
Petroleum Geology: A Digest of Russian Literature
... contact is recorded by a weak flexure on the curve of apparent resistivity and sometimes by a completely smooth curve. In many cases the water-oil contact...
1962
Geophysical Measurements for Archaeological Investigation: Case Studies in Malaysia
Abdul Rahim Samsudin, Umar Hamzah
Geological Society of Malaysia (GSM)
... resistance directly in ohm and values' are converted to apparent resistivity by multiplying the resistance by the appropriate geometry factor for the array...
1999
L-X Bar Field
Editors: Edward D. Dolly and James C. Mullarkey
Rocky Mountain Association of Geologists
...L-X Bar Field Editors: Edward D. Dolly and James C. Mullarkey Producing Low Contrast, Low Resistivity Reservoirs Guidebook - 1996 WERNER-WILSON #2 L...
1996
On the Resolution of Modern Structural Electrical Surveying
L. A. Brushyanin, B. A. Lyapustin, B. V. Bucharskiy, V. A. Sidorov
Petroleum Geology: A Digest of Russian Literature
.... It is possible to calculate the relationship of apparent longitudinal conductivity Sk to time or depth of investigation Hk. These curves can...
1974
Identification of unconfined aquifer using 3D resistivity analysis at Simpang 5 area, Semarang, Central Java, Indonesia
Supriyadi, Fianti, Dwi Rizki R., Agus Setyawan, Ronaldo Talapessy
Geological Society of Malaysia (GSM)
... strength (I) is used to determine the apparent resistivity value, as shown in Equation 3. ρa= k ∆V/I (3) where ρa is apparent resistivity, k is geometry...
2020
Guard Electrode
H. K. McArthur
Tulsa Geological Society
... resistivity, mud resistivity, hole size, and apparent resistivity. This is the case for non-invaded formations. Ra equals apparent resistivity...
1952
Magnetotelluric for Petroleum Investigation
Bayu A. Pramudhita, Deni Saputra, Royo Handoyo, Suchandra, Irkham Wahyu S.
Indonesian Petroleum Association
...) and magnetic (H) field. The frequency ranges are between 0.0001 kHz up to 1 kHz. Apparent resistivity {Pxy = 0.2*T [Ex / Hy]2} is the key of MT...
2010
Introduction
Richard H. Merkel
AAPG Special Volumes
... into the undisturbed formation to determine the true resistivity. As a result of invasion, what we measure with resis ivity tools is, in fact, an apparent...
1979
Maestrichtean Sediments of the East Stavropol Area
I. A. Burlakov, M. S. Plotnikov, G. A. Polosin, Yu. Ye. Starchenko
Petroleum Geology: A Digest of Russian Literature
... of the Maestrichtean stage are expressed clearly by negative SP anomalies, which reach 110-120 mv, and by low values of apparent resistivity. High...
1979
Supplemental Geologic Tools
R. G. Hamilton
Oklahoma City Geological Society
... is quite deep, the apparent resistivity values of the Induction curve may often be corrected to true resistivity if the porosity of the bed is known...
1958
Time lapse in-hole electrical resistivity surveying during a shallow release of CO2 gas: Harvey, Western Australia
Brett Harris, Alex Costall, Hoang Nguyen, Karsten Michael, Ludovic Ricard, Barry Freifeld, Arsham Avijegon, Andrew Pethick
Petroleum Exploration Society of Australia (PESA)
... Representation of Time Lapse Dipole- Dipole Data Apparent resistivity for all time-lapse dipole-dipole quadrupoles can be simultaneously represented...
2019
Application of an Innovative AEM System for Mapping Hazards and Water Resources in Oil and Gas Fields; #20304 (2015)
Scott R. Napier, Bill Brown, Shannon Frey
Search and Discovery.com
... groundwater thought to be contained in quaternary paleochanels. Modeling and interpretation of the data has resulted in imaging of subsurface resistivity...
2015
Resistivity Imaging and Natural Potential Applications to the Antioch Fault Zone in the Onion Creek / Barton Springs Segment of the Edwards Aquifer, Buda, Texas
Mustafa Saribudak, Brian Hunt, Brian Smith
GCAGS Transactions
... ft thick on the upthrown side and about 100 ft of apparent thickness on the downthrown side. The resistivity results from the southern bank...
2012
Reconstruction of Conventional Plot & Method to Define and Produce Bypassed Hydrocarbon Zone in a Low Resistivity Low Contrast (LRLC) Reservoir, a Case Study of Offshore North West Java Area
Didit Putra Kusuma, Shofiyuddin, Riezal Arieffiandhany, Bertha Sondang M, Wisnu Wijanarko, Atmaji Nugroho
Indonesian Petroleum Association
... including utilization of Buckle Plot and Apparent Water Resistivity (Rwa). Buckle plot has been introduced since 1965 (Buckle, 1965:42-52) and principally...
2018
Integrated geophysical image of the hot spring in Rokan Hulu, Riau, Indonesia
Nur Islami, Mitri Irianti
Geological Society of Malaysia (GSM)
... electrodes, then a voltage measurement between two potential electrodes is measured to compute the apparent resistivity of the subsurface medium...
2019
Use of Large Potential Probes for Evaluating the Productivity of Carbonate Sediments
A. S. Pestrikov
Petroleum Geology: A Digest of Russian Literature
... in specific resistivity are weakly contrasted on the apparent resistivity logs. These shortcomings are absent with potential sondes, which approach...
1963
A Guide to Qualitative Interpretation of South Texas Electric Logs
Alvin L. Schultz
South Texas Geological Society Special Publications
... of several zones in the same well where it is fairly apparent from log responses that the lithology, water resistivity, and porosity are fairly uniform...
1986