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The AAPG/Datapages Combined Publications Database
Showing 21,187 Results. Searched 195,452 documents.
Standard Interpretation: Part 4. Wireline Methods
Mark Alberty
AAPG Special Volumes
..., or from local experience (see the chapter on "Determination of Water Resistivity" in Part 4). This value of the true resistivity of the formation, Rt...
1992
The Combined Use of Core Analysis and Log Data for Better Productivity Evaluation
R. C. Wilshusen
Bulletin of South Texas Geological Society
.... The relationships between several rock characteristics and true resistivity have been discussed at considerable length in the literature...
1962
A Comparative Study of Conventional Arrays of Resistivity Prospecting with Differential Arrays
K. K. Sharma, S. Jayashree
Geological Society of Malaysia (GSM)
...A Comparative Study of Conventional Arrays of Resistivity Prospecting with Differential Arrays K. K. Sharma, S. Jayashree Geol. Soc. MaLaYJia...
1996
Petrophysics in High Angle and Horizontal Wells
David Maggs, Silvia Lattuada, Roger Griffiths, Mauricio Mele, Antonio Valdisturlo
GEO ExPro Magazine
... petrophysical interpretation techniques used in vertical wells, particularly the resistivity logs, due to geometric effects on the data. A well is said...
2014
Abstract: Pencirian geofizik dan geologi kejuruteraan profil luluhawa syis kuarza-mika di km 67, Lebuhraya Timur-Barat, Malaysia (IN MALAY), Engineering and geophysical characterization of quartz-mica schist weathering profile at Km 67, East-West Highway, Malaysia
Abdul Ghani Rafek, Abdul Rahim Samsudin, Rahman Yaccup, Umar Hamzah, Khairul Anuar Mohd Nayan
Geological Society of Malaysia (GSM)
..., Fakulti Kejuruteraan Universiti Kebangsaan Malaysia 43600 Bangi, Selangor D.E. Mapping of the weathering profile and determination of weathering...
2001
A Practical Model for Organic Richness from Porosity and Resistivity Logs
Q. R. PASSEY , S. CREANEY , J. B. KULLA , F. J. MORETTI , and J. D. STROUD
AAPG Bulletin
... presented in the text. The Archie equation relating resistivity to porosity is Rt = (Rw a)/(Swn fm) (Equation A-1; SEE PAGE IMAGE) where Rt is the true...
1990
ELECTRIC LOG INTERPRETATION WITH THE IBM 650 COMPUTER
F. C. Hoadley, B. W. Allen
Asociación Venezolana de Geología, Minería y Petróleo (AVGMP)
... to be run, and still one of the most useful, is the resistivity log which measures the true resistivity of formations penetrated by the borehole. The tool...
1962
Old Electric Logs: An Interpretation and Analysis Workshop
Willard J. (Bill) Guy
PTTC
..., Sonic, Microlaterolog, Short Normal, and Microlog. • Be able to determine the best possible value for the true resistivity of the reservoir. OBJECTIVES...
2005
Novel Approach on Thin Bed Reservoir Case Study from Muda Formation, Natuna Basin
Julianta Parlindungan Panjaitan, Asep Saripudin, Andika Widyasari, Ratna Dewanda, Jhonny Xu
Indonesian Petroleum Association
... determination for further field development plan. 2 Different approach such as high vertical resolution logging and resistivity anisotropy method are needed...
2020
A Hidden Reservoir within the Gacheta Formation, Zopilote Field, Llanos Orientales Basin, Colombia, #20231 (2014)
Cesar Vasquez
Search and Discovery.com
...) with Rt (the true resistivity of the formation). In this method the only uncertainty is the resistivity of the formation water, as porosity is well...
2014
Low-Resistive Sandstone Reservoirs in the Attaka Field
Yoseph Joko Partono
Indonesian Petroleum Association
... that suppresses the resistivity of these reservoirs. Determination of fluid content in these reservoirs is based on mudlog shows, qualitative wireline log...
1992
AAPG Memoir 76, Chapter 15: Forward Modeling of Log Response in Geopressured Formations Reveals Valuable Insights to the Various Pore-Pressure Prediction Techniques
J. C. Rasmus
AAPG Special Volumes
.... True vertical depth (TVD) is in feet; resistivity is in ohm m. Figure 2. Resistivity vs. depth for various pore-pressure equivalent mud...
2001
Critical Water Estimates for Gulf Coast Sands
Raymond J. Granberry , Dare K. Keelan
GCAGS Transactions
... than just routine core analysis or the usual calculation of Sw from resistivity logs. It also requires the determination of the critical water value...
1977
"True Resistivity of Thin Dipping Sands [Abstract]"
Patterson, D., Harkins, J., Hitchcock, S.
CSPG Bulletin
..."True Resistivity of Thin Dipping Sands [Abstract]" Patterson, D., Harkins, J., Hitchcock, S. 1991 221 221 Vol. 39 (1991) No. 2. (June) Employing...
1991
Appendix I: Additional Shaly Sand Formulas
George B. Asquith
AAPG Special Volumes
... [EQUATION] [EQUATION] [EQUATION] [EQUATION] where: Swe = effective water saturation Rt = true formation resistivity e = effective porosity...
1990
Calculation of the Effect of Clay Content in Determination of the Coefficient of Oil- and Gas-Saturation by the Resistivity Method
V. N. Dakhnov
Petroleum Geology: A Digest of Russian Literature
...Calculation of the Effect of Clay Content in Determination of the Coefficient of Oil- and Gas-Saturation by the Resistivity Method V. N. Dakhnov 1960...
1960
Classification of Carbonate Reservoir Rocks and Petrophysical Considerations
G. E. Archie ^dagger
AAPG Bulletin
... are rare. Therefore, it is difficult to obtain the true resistivity of the porous interval underground from the electrical log (Fig. 4). As Fig. 8...
1952
Utilizing the Controlled Source Electromagnetic (CSEM) Method for De-Risking Exploration in Deepwater Plays of the Kutai Basin
Ritesh Mohan Joshi, Agus Hernandianto, Allan Flipov
Indonesian Petroleum Association
.../removed, the main two leads would appear in their ‘true’ colours. The horizontal resistivity section, just like the previous line results, shows...
2015
Abstract: Comparison of Resolution Capacity of Different Electrode Arrays in Delineating Fractured Zones Using Electrical Resistivity Modeling; #90255 (2017)
Lukumon Adeoti, Seun Afolabi, Kehinde Ishola, Bolaji Adegbola
Search and Discovery.com
... of geometries and inverted resistivity values. An evaluation of the accuracy/deviation of the inverted resistivity data sets from the true model was carried...
2017
Abstract: Diagnostic Resistivity Sounding Curves of Karstic Aquifers in the Chuping Limestone
Mohammed Sayyadul Arifin, C. Y. Lee
Geological Society of Malaysia (GSM)
...Abstract: Diagnostic Resistivity Sounding Curves of Karstic Aquifers in the Chuping Limestone Mohammed Sayyadul Arifin, C. Y. Lee 78 Diagnostic...
1987
Basic Relationships of Well Log Interpretation: Chapter I
George B. Asquith, Charles R. Gibson
AAPG Special Volumes
... of the mudcake Rmf - resistivity of mud filtrate Rs - resistivity of shale Rt - resistivity of uninvaded zone (true resistivity) Rw - resistivity of formation...
1982
Shaly Sand Analysis: Chapter 3
George B. Asquith
AAPG Special Volumes
..., and the determination of total shale porosity (tsh) is still questionable (Dewan, 1983). Also, the problem of determining the resistivity of the dispersed clay...
1990
Illuminating Reservoirs With Electromagnetics
Leonard J. Srnka
Indonesian Petroleum Association
... computers. But remote resistivity determination is not a "magic bullet" for hydrocarbon identification (as well log interpretation cautions us!) since...
2008
Slim, High Resolution Laterolog Array Tool: First Field Experiences
Jean-Marc Donadille, Igor Ilyin, Martin G. Lüling, Tony Meszaros, Richard Reischman, Alexey Repnev, Vladimir Yukhlin, Nasar Khan, Mark Jones
Unconventional Resources Technology Conference (URTEC)
...] Measurement specification Output Five array resistivities, true resistivity Rt, diameter of invasion, invaded zone resistivity Rxo Logging Speed Up...
2017
U.S. Gulf Coast Field Experience with Thin-Bed Well Log Analysis
Tony D. Lawrence , Ashok K. Sinha , Walter H. Fertl
GCAGS Transactions
... depth of investigation, it can delineate beds as thin as 3 in. Furthermore, the measured resistivity can be enhanced to estimate true thin-bed...
1990