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Formation resistivity determination

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Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, November 9–12, 2015
Paper Number: SPE-177965-MS
... resistivity conversion table true formation resistivity average phase resistivity measurement resistivity tool well logging receiver inversion antenna orientation horn effect phase resistivity measurement boundary formation resistivity true formation resistivity determination Introduction...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0049
...: 10.30632/SPWLA-2022-0049 A NEW GENERATION OF LWD GEOSTEERING ELECTROMAGNETIC RESISTIVITY TOOL PROVIDING MULTI-LAYERED BED BOUNDARY DETECTION, ANISOTROPY DETERMINATION, AND AZIMUTHAL RESISTIVITY MEASUREMENTS FOR ACCURATE WELL PLACEMENT AND FORMATION EVALUATION Hsu-Hsiang (Mark) Wu, Alan Cull, Li Pan, Clint...
Proceedings Papers

Paper presented at the SPE Middle East Oil & Gas Show and Conference, March 6–9, 2017
Paper Number: SPE-183953-MS
... the measured depth makes the Rt derivation very challenging. To determine a true Rt from the logging-while-drilling (LWD) resistivity measurements, a general full inversion is usually time-consuming and needs some inputs on formation model. This paper presents an alternative approach to derive the true Rt...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-JJJJ
... Computer Vision detection application feature map resistivity SPWLA 60th Annual Logging Symposium, June 15-19, 2019 DOI: 10.30632/T60ALS-2019_JJJJ 1 AUTOMATED RESISTIVITY INVERSION AND FORMATION GEOMETRY DETERMINATION IN HIGH-ANGLE AND HORIZONTAL WELLS USING DEEP LEARNING TECHNIQUES Hu Li, Maxwell...
Proceedings Papers

Paper presented at the SPWLA 39th Annual Logging Symposium, May 26–28, 1998
Paper Number: SPWLA-1998-E
...SPWLA 39th Annual Logging Symposium, May 26-29,1998 DETERMINATION AND APPLICATION OF FORMATION ANISOTROPY USING MULTIPLE FREQUENCY, MULTIPLE SPACING PROPAGATION RESISTIVITY TOOL FROM A HORIZONTAL WELL, ONSHORE CALIFORNIA. D. MacCallum, M. Dautel, Baker Hughes lNTEQ Christopher Phillips, Tidelands...
Proceedings Papers

Paper presented at the Permian Basin Oil and Gas Recovery Conference, March 13–15, 1986
Paper Number: SPE-15030-MS
... SPE Members Abstract A new method is presented to determine formation water resistivity (R w) in sandstones. This procedure does not use the Spontaneous Potential (SP) log. Instead formation R w is Potential (SP) log. Instead formation R w is obtained from the overlying shale zones...
Proceedings Papers

Paper presented at the SPWLA 22nd Annual Logging Symposium, June 23–26, 1981
Paper Number: SPWLA-1981-G
... ABSTRACT Formation water resistivity (Rw) is an important interpretation parameter. When water samples are available, Rw is determined by direct measurement or calculated from the water chemical analysis. It is more practical, however, to estimate Rw from the SP log. Poor correlations between...
Proceedings Papers

Paper presented at the Fall Meeting of the Society of Petroleum Engineers of AIME, October 7–8, 1962
Paper Number: SPE-437-MS
... formation temperature SP coefficient spontaneous potential curve well logging correlation investigation Upstream Oil & Gas mud filtrate brine solution core plug determination log analysis water resistivity coefficient apparatus Formation Resistivity Factor Formation Water...
Images
<span class="search-highlight">Determination</span> of <span class="search-highlight">formation</span> water <span class="search-highlight">resistivity</span>.
Published: 03 April 2000
Fig. 4 Determination of formation water resistivity. More
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191476-MS
... , and n is from weeks to days. Perhaps more importantly we avoid altering the wettability of the matrix since we do not need to clean the cores before running these measurements. Classical Methods for Determining Formation Factor and Resistivity Index The objective of electrical properties...
Proceedings Papers

Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0006
... Summary We examined the response of directional resistivity tools with tilted antennas to a VTI anisotropic formation. A new method is proposed to determine the VTI anisotropic resistivity (with the horizontal resistivity and the vertical resistivity) and the formation dip using...
Journal Articles
SPE Res Eval & Eng 13 (04): 667–678.
Paper Number: SPE-116123-PA
Published: 12 August 2010
...S.. Fang; A.. Merchant; E.. Hart; A.. Kirkwood Summary With the use of both azimuthal-propagation-resistivity (APR) and main- and cross-component data, the resistivity anisotropy and its dip and azimuth angles of a massive formation (anisotropic shale or laminated sand) can be determined...
Proceedings Papers

Paper presented at the SPWLA 50th Annual Logging Symposium, June 21–24, 2009
Paper Number: SPWLA-2009-34221
... resistivity anisotropy physics Drilling SPWLA 50th Annual Logging Symposium, June 21-24 2009 1 Workflow for Determining True Formation Resistivity in HAHZ Wells John C. Rasmus, Raphael Altman, Tom Barber, Mohan Javalagi, Schlumberger Society of Petrophysicists and Well Log Analysts Copyright 2009, held...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-116123-MS
... Abstract With the use of both azimuthal propagation resistivity main and cross component data, the resistivity anisotropy and its dip and azimuth angles of a massive formation (anisotropic shale or laminated sand) can be determined. The accuracy of the determined parameters depends...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–27, 2006
Paper Number: SPE-103113-MS
... . Wang , H. , Barber , T. , Rosthal , Tabanou , J. , Anderson , B. , and Habashy T. , " Fast and Rigorous Inversion of Triaxial Induction Logging Data to Determine Formation Resistivity Anisotropy, Bed Boundary Position, Relative Dip And Azimuth Angles ," presented at the SEG...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–29, 2004
Paper Number: SPE-90526-MS
... that allows determination of the dip angle. Abstract Resistivity anisotropy in both laminated shale-sand and clean sand formations is well documented. Tools that are sensitive to formation anisotropy are also well documented, and the leading contender for this type of measurement is the transverse...
Proceedings Papers

Paper presented at the 2003 SEG Annual Meeting, October 26–31, 2003
Paper Number: SEG-2003-0514
... Fast and rigorous inversion of triaxial induction logging data to determine formation resistivity anisotropy, bed boundary position, relative dip and azimuth angles Hanming Wang , Tom Barber, Richard Rosthal, Jacques Tabanou, Barbara Anderson, Tarek Habashy, Schlumberger Mark of Schlumberger...
Proceedings Papers

Paper presented at the SPWLA 37th Annual Logging Symposium, June 16–19, 1996
Paper Number: SPWLA-1996-Q
... log analysis Attenuation Resistivity knowledge determination well logging deviation dip angle Hagiwara resistivity measurement relative dip deviation angle frequency anisotropy response factor Symposium phase resistivity new method anisotropic formation Upstream Oil &amp; Gas dip...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 8–11, 1989
Paper Number: SPE-19563-MS
... these intervals. This method addresses the effect of changing salinities and log runs and enables one to accurately determine formation pore pressures from shale resistivity and conductivity trends. The technique has been utilized on hundreds of wells throughout the Gulf of Mexico with great success. Typically...
Journal Articles
J Pet Technol 18 (03): 373–376.
Paper Number: SPE-1337-PA
Published: 01 March 1966
... Tulsa Research Center to calculate equivalent sodium chloride concentration from the chemical analysis of formation water samples. FUNDAMENTAL CONSIDERATIONS The resistivity of a solution, or its reciprocal the conductivity, at a given temperature is determined by the charge, concentration and mobility...

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