Field Salinity Determinations and Sulphide Contamination

Robert Schwab

CSPG Bulletin

... of the laboratory-ascertained chloride content. Water-resistivity values (Rw) determined from field salinities are commonly within ten percent of Rw values...

Impact of Spatial Distribution of Kerogen Network on Electrical Resistivity of Organic-Rich Source Rocks

Huangye Chen, Lu Chi, Nikhil Kethireddy, Zoya Heidari

Unconventional Resources Technology Conference (URTEC)

... reservoirs. Resistivity-po nal orosity-saturati ion models (e e.g., Archie’s, Dual-Water and Waxman-Smits equations) have been co onventionally used...

A Comprehensive Approach to Water Volume Estimation in Unconventional Shale Reservoirs Through Physics-Informed Statistical Modeling

Bo Gong, Aygul Kostinovsky, Mehrnoosh Saneifar, Luisa Crousse, Mason Edwards

Unconventional Resources Technology Conference (URTEC)

... for effective water production and management. Traditional resistivity-based water saturation calculation methods face challenges due to uncertainties...

Abstract: Results of Feasibility Study of Surface-to-Borehole Time-Domain CSEM for Water-Oil Fluid Substitution in Ghawar Field, Saudi Arabia, by Daniele Colombo, Shiv Dasgupta, Kurt M. Strack, and Gang Yu; #90105 (2010)

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Electrical Logging Problems in the Eocene Wilcox

R. P. Alger

GCAGS Transactions

... (Editor). "Wilcox Oil Fields". Jackson, Mississippi, July 1, 1952. End_Page 47------------------------- The formation interstitial water resistivity...

Interpretation of the Geophysical-Logging Data on Deep Wells of the Western Cis-Caucasus

V. K. Popov

Petroleum Geology: A Digest of Russian Literature

... gas (17 m3 per day); 4-formation water (7 m3 per day); 5-formation water (20 m3 per day). Figure 3. Determination of specific resistivity by laterolog...

Computerized Old E-Log Analysis of the Pennsylvanian Cross Cut Sandstone in the TWP and Busher Fields, Runnels County, Texas

G. B. Asquith, S. K. Henderson

West Texas Geological Society

... resistivity, and Swirr = irreducible water saturation from capillary pressure curves. Determination of Net Pay The following formula was then used...

Computerized Old E-Log Analysis of the Pennsylvanian Cross Cut Sandstone in the TWP and Busher Fields, Runnels County, Texas

G. B. Asquith, S. K. Henderson

West Texas Geological Society

... = true formation resistivity, and Swirr = irreducible water saturation from capillary pressure curves. Determination of Net Pay The following formula...

ABSTRACT: IDENTIFYING GAS … WATER CONTACTS FROM SONIC LOGS (IN SUPPORT OF CONVENTIONAL METHODS)

Clive Sirju

Geological Society of Trinidad & Tobago

... is critical in the determination of hydrocarbon volumes. Traditionally a change from high to low resistivity from induction logs as well as fluid...

Estimation of Gas-hydrate Saturation and Heterogeneity on Cascadia Margin from Ocean Drilling Project Leg 204 Logging-while-drilling Measurements

Aleksandra Janik, David Goldberg, Gilles Guerin, Timothy Collett

AAPG Special Volumes

... the pore space occupied by water and hydrate. These tools have similar responses to both of those substances. (2) Porosity estimated from resistivity...

Abstract: Integrated Petrophysical Evaluation of Thin Bed Formation: A Case Study from Field Offshore Malaysia (Geology Paper 18)

Diego Maya, Nizam Abu Bakar

Geological Society of Malaysia (GSM)

... misinterpreted as water bearing. The vertical resistivity computed by the multi-component induction tool clearly identified high resistivity intervals...

ABSTRACT: Dielectric Logging: Review and Application, by Robert L. Grossberg; #91035 (2010)

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The Laterolog

R. D. Ford

Tulsa Geological Society

...The Laterolog R. D. Ford 1952 95 99 Vol. 20 (1952) Since the development of methods for recording the resistivity of formations surrounding a bore...

A Petrophysical Method to Evaluate Irregularly Gas Saturated Tight Sands Which Have Variable Matrix Properties and Uncertain Water Salinities,by Michael Holmes, Dominic Holmes, Antony Holmes, #40673 (2011)

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A Comprehensive Basin-Specific FCT (Fusion Conduct Trisphere) Analytics for Characterization and Development Classifications of Low Resistivity Pays in Indonesias Sedimentary Basin

Muhammad Najmi Hafiy, Julianta P. Panjaitan, Dimas Naufal Al Ghifari, Yudha Arisandhy S., Jarot Setyowiyoto

Indonesian Petroleum Association

..., fine sands, and saline water. Several studies have proposed diverse mechanisms to explain the formation of these low-resistivity pay sands. Sutiyono...

Innovation for Conventional Hydrocarbon Exploration with Audio Magnetotelluric Method

Widodo, Durra Handri Saputera, Iqbal Fauzi Aditama, Andriyan Saputra

Indonesian Petroleum Association

... limitations in certain geologic and environments. High resistivity lithologies, such as limestone, salt, and basalt, frequently interpret the hydrocarbon...

Identify Potential Low-Resistivity Pay Using Visual Rock Analysis

Kathy Stolper

Houston Geological Society Bulletin

... bound water in their micropores, further reducing the resistivity response. Altered framework grains, such as feldspar and igneous or metamorphic rock...

Source Rock Evaluation From Well Logs – Four Decades of Technical Tipping Points

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Low-Resistive Sandstone Reservoirs in the Attaka Field

Yoseph Joko Partono

Indonesian Petroleum Association

...-and thin-bedded sandstones, implying that shoulder-and dipping-bed effects are not the only reasons for the low resistivity readings. High irreducible water...

Smackover Reservoir: Interpretation Case Study of Water Saturation Versus Production

J.G. Guillotte , J. Schrank, E. Hunt

GCAGS Transactions

... is oolitic limestone characterized by low resistivity, moderate porosity (10-20%) and permeability (100-500 md). High water saturation calculated from...

Use of Large Potential Probes for Evaluating the Productivity of Carbonate Sediments

A. S. Pestrikov

Petroleum Geology: A Digest of Russian Literature

... the upper productive part of the sediments to a depth of 1450 m has a high apparent resistivity (50-125 ohm-m), and the lower water-bearing part...

Quantitative Geophysical Study of the Cleveland Sand Reservoir (Pennsylvanian) in the Eastern Part of Logan County, Oklahoma

Dimitrious Kousparis

Oklahoma City Geological Society

... & RMF Determination Chart (Schlumberger 1958, 1972-Gen-7) E = Simplified Resistivity Departure Curves (Schlumberger, 1958) F = Nomogram for Saturation...

Appendix

George B. Asquith

AAPG Special Volumes

... saturation of the zone beyond the influence of the invading mud filtrate (Rmf). Called the uninvaded zone. Rw -- Resistivity of the formation water...

The Spontaneous Potential Log: Chapter II

George B. Asquith, Charles R. Gibson

AAPG Special Volumes

... 30. End_Page 31------------------------- Fig. 11. Determination of formation water resistivity (Rw) from an SP log. This example is an exercise...

Resistivity of Brine-Saturated Sands in Relation to Pore Geometry

W. O. Winsauer , H. M. Shearin, Jr. , P. H. Masson , M. Williams

AAPG Bulletin

... of the rock. In this usage, a knowledge of the resistivity of the reservoir material when it is completely saturated with water is essential...