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The AAPG/Datapages Combined Publications Database
Showing 85,821 Results. Searched 200,619 documents.
A Porosity Based Pore Pressure Estimation in an Indonesian Carbonate Reservoir
Sunawar Kunaifi, Krishna Pratama Laya, Sarvagya Parashar, Luqman, Banu Andhika
Indonesian Petroleum Association
... porosity Pore pressure from Resistivity Derivation The determination of porosity in rock formations is essential for evaluating their suitability...
2024
Chapter 21: Log-Derived Indicator of Thermal Maturity, Niobrara Formation, Denver Basin, Colorado, Nebraska, Wyoming
Thomas M. Smagala, Charles A. Brown, Gary L. Nydegger
Rocky Mountain Association of Geologists
... = resistivity of the formation (ohm-meters) RW = resistivity of the formation water (ohm-meters) ø = pore space m and n = empirical exponents SW = water...
2011
A New Method for Volume of Shale Evaluation Using the Well Log Resistivity Invasion Profile
Robert K. Svec
GCAGS Transactions
... in the drilling mud and the formation water, as well as application with various types and vintages of resistivity logging tools. The workflow to process...
2025
How Should We Measure Residual-Oil Saturation?
R. E. Wyman
CSPG Bulletin
... method for determination of oil-in-place and connate water: API Drilling and Production Practice p. 166-174. 3Keelan, Dare K., 1972, Core analysis...
1977
Characterizing mudstones and fault structure in Bumita Quarry, Perlis through integrated geophysical techniques
Nordiana Mohd Muztaza, Hazrul Hisham, Teoh Ying Jia, Muhammad Taqiuddin Zakaria, Nur Azwin Ismail, Mohd Firdaus Md Dan, Azlan Md Dan M.F. M., Taiwo Adewumi
Geological Society of Malaysia (GSM)
... techniques permeability, while water immersion under vacuum was utilized for porosity determination. Additionally, the rock samples were transported...
2024
The Dual-Spacing TDT: A Cased-Hole Exploration Tool
B. F. McGhee, J. S. Blackburn, B. C. Leach
GCAGS Transactions
...------------------------ FIGURE 2. Correlation of Dual-Spacing TDT to an Open-Hole Resistivity Log. End_Page 237------------------------ Water Saturation The primary...
1974
Geophysical Techniques for Evaluating the Internal Structure of Cheniers, Southwestern Louisiana
Robbie R. Zenero , David L. Seng , Mark R. Byrnes , Randolph A. McBride
GCAGS Transactions
..., at the interface with adjacent or subsurface fine-grained deposits, clay and/or conductive pore water limit penetration. Electrical resistivity...
1995
Organic matter pores and oil generation in the Tuscaloosa marine shale
Jiemin Lu, Stephen C. Ruppel, and Harry D. Rowe
AAPG Bulletin
..., 1981). During the process, nonconductive hydrocarbons begin to displace conductive pore water. Consequently, formation resistivity increases from...
2015
Reservoir Characterization Derived from Advanced Logging Techniques in Vertical and Horizontal Wells of Lacustrine Shale Oil Reservoir in China
Zuo An Zhao, Ke Yu Pan, Shou Song Chen, Yue Wang, Liang Cai, Feng Pan, Jin Long Wu
Unconventional Resources Technology Conference (URTEC)
..., induced gammaray spectroscopy, and borehole micro-resistivity imaging to characterize lacustrine shale oil reservoirs. By integrating source rock...
2025
Estimate of Lithology and Net Gas Sand from Wireline Logs: Veracruz and Macuspana Basins, Mexico
Sakurai, Shinichi, Grimaldo-Suarez, F. M., Aguilera-Gomez, L. E., Rodriguez-Larios, J. A.
GCAGS Transactions
...-pressure data, computed porosity, water saturation, and well-test results. Valid test results are essential for pay determination. Mechanical diagrams...
2002
2D Resistivity Imaging Investigation of Long Point, Katy-Hockley, Tomball, and Pearland Faults, Houston, Texas
Mustafa Saribudak
GCAGS Transactions
... by water content, mineralogy, interstitial fluid salinity, porosity, and the presence of conductive materials. Thus, a resistivity anomaly should...
2012
2005
Low Resistivity Reservoir Study: Sangatta Field Kalimantan
Suwardji, Ari Buhari, Kuncoro Kukuh, Ron Prayitno
Indonesian Petroleum Association
... importance. This knowledge forms the basic parameter used in formation evaluation for determination of water saturation. Detrital coal...
1994
Estimation of Interparticle and Separate-Vug Porosities from Resistivity and Total-Porosity Logs
Jeffrey A. Kane
West Texas Geological Society
... (Archie, 1942) relates porosity (Φ), water saturation (Sw), in situ water resistivity (Rw), and bulk resistivity (Rt) by (1) S w n = R w / ( ϕ m...
2003
ABSTRACT: Evaluation of General Resistivity-Density Based Saturation in Thin Laminated Sand-Shale Sequences, by Alshannaq, Shadi; Quirein, John; #90155 (2012)
Search and Discovery.com
2012
An Analytical Formulation of Seismic-derived Resistivity, by Denny Merkurius F. Mendrofa and Bambang Widarsono, #40245 (2007).
Search and Discovery.com
2007
Borehole Imaging in the Permian Basin
Lee Sanders, Kevan Fuchs
West Texas Geological Society
... as reflected on the borehole wall. This method of micro-resistivity analysis can then be used in defining depositional facies in sedimentary rocks...
2003
Incorporating capillary pressure, pore throat aperture radii, height above free-water table, and Winland r35 values on Pickett plots
Roberto Aguilera
AAPG Bulletin
...., 1966, A review of current techniques for determination of water saturation from logs: Journal of Petroleum Technology, v. 18, p. 1425-1433. Pickett, G...
2002
A Guide to Qualitative Interpretation of South Texas Electric Logs
Alvin L. Schultz
South Texas Geological Society Special Publications
..., if a 100% water-bearing interval can be located that has the same porosity, formation water resistivity, and lithology, especially with respect to shale...
1986
TFEM & BSEM Techniques Applied in Oil E&D Stages
Search and Discovery.com
N/A
Distribution of Bitumens in Reservoirs of the Ashal’Chin Field
Yu. V. Zubov, Yu. P. Kadysev, Z. Sh. Mukhametov, N. S. Tvorogov
Petroleum Geology: A Digest of Russian Literature
... and is 54-65% bitumen saturated. The lower part has still lower resistivity at 65-30 ohm-m and is 54-34% bitumen saturated. There is no single bitumen-water...
1977
Spotted Horse Field
Editors: Edward D. Dolly and James C. Mullarkey
Rocky Mountain Association of Geologists
..., clay-filled. The low log resistivity readings are caused by bound water held in the clay minerals in the pores and coating the sand grains...
1996
Petrophysics of Bimodal Porosity: Lower Cretaceous Rodessa Limestone, Running Duke Field, Houston County, Texas
G. B. Asquith, A. D. Jacka
GCAGS Transactions
...). The intragranular microporosity in the ooids is water saturated non-effective porosity. The presence of the microporosity will lower resistivity, thereby raising...
1992
Stretching the LWD Envelope for Geological Characterization of High-Temperature Deep Basement: A Case Study from Offshore China
Donghao Wu, Peichun Wang, Lei Xiong, Renfeng Zhang, Xin Zhou, Jiejing Gong, Chandramani Shrivastava, Lijun Zhao, Shuai Wang, Xiaoxun Chen
Unconventional Resources Technology Conference (URTEC)
... challenges due to very high resistivity of formation in the subsurface, hyper-saline mud being used to drill and high angle, horizontal well profiles...
2025
Basic Log Analysis in Coalbed Methane Exploration
Edward B. Campen, Elizabeth B. Campen
Rocky Mountain Association of Geologists
... pay zone, such as a dense, tight formation or fresh-water sand, as illustrated in Figure 2. The intervals of off-scale resistivity and the fact...
2002