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Keywords: tool response
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Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0038
... artificial intelligence spwla-2022-0038 conductivity rmsle window size tool response aramco america earth model machine learning testing dataset inversion formation resistivity induction log saudi arabia government bed boundary deconvolution method resistivity dataset rd annual logging...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0103
... geosteering nd annual logging symposium tool response probability distribution interface inversion result spwla-2021-0103 resistivity computation algorithm operator inversion software inversion algorithm SPWLA 62nd Annual Logging Symposium, May 17-20, 2021 DOI: 10.30632/SPWLA-2021-0103 VENDOR...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-T
... for geosteering. Both deep and extra-deep tools relied on a good resistivity contrast between the oil- filled sands and shales. Sufficient contrast seemed achievable in the 6 well, but not in the thinly bedded 8 and 8z wells. Further assessment of the offset well resistivity logs, coupled with tool response...
Proceedings Papers

Paper presented at the SPWLA 59th Annual Logging Symposium, June 2–6, 2018
Paper Number: SPWLA-2018-R
...-stopping, the landing, the fault detection to the salt edge detection, etc. However, due to the complexity of the measurement physics, the tool response characteristics and the data processing/inversion, without the well understanding the uncertainty of the service, operators do not have sufficient...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-GGG
... drilling data acquisition LWD approximation drilling measurement logging while drilling pixel-based inversion reservoir map Reservoir Characterization well logging frequency deep directional resistivity measurement resistivity measurement Reservoir Structure tool response relative...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-JJJJ
... sensitivity pulsed neutron modeling gas-filled borehole envelope Upstream Oil & Gas Symposium gas saturation interpretation borehole fluid dynamic range tool response capture ratio application spwla 58 SPWLA 58th Annual Logging Symposium, June 17-21, 2017 1 EXPANDING APPLICATION OF MULTI...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-YYY
... and phase of an electromagnetic wave travelling in the formation and picked up by two receivers. This synthetic tool response is then perturbed by noise. Monte Carlo method is used to study the effect of the noise on the inverted petrophysical properties of the formation. The probability distribution...
Proceedings Papers

Paper presented at the SPWLA 57th Annual Logging Symposium, June 25–29, 2016
Paper Number: SPWLA-2016-E
... Abstract Recent developments in pulse neutron instrumentation have proved its value for monitoring fluid saturation changes and evaluating reservoir recovery efficiency. The interpretation of multidetector pulsed neutron data relies on tool response modeling performed through nuclear Monte...
Proceedings Papers

Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-SS
... to vertical wells. We have developed a new fast computer model for the same problem that works not only in vertical wells but also in deviated wells. This new forward model enables the user to study the triaxial tool response more efficiently in multilayer formations. In particular, it supports detailed...
Proceedings Papers

Paper presented at the SPWLA 55th Annual Logging Symposium, May 18–22, 2014
Paper Number: SPWLA-2014-Q
..., a detailed study of the thick casing response is performed for the cemented and free pipe. The study includes numerical modeling as well as empirical data analysis, and results in the compilation of a comprehensive tool response chart for the demanding thick-walled casing environment. The data in the chart...
Proceedings Papers

Paper presented at the SPWLA 53rd Annual Logging Symposium, June 16–20, 2012
Paper Number: SPWLA-2012-188
... Colombia Upstream Oil & Gas bs degree tool response interpretation Carbonera bypassed oil water cut petrophysicist Symposium Occidental Schlumberger Reservoir Engineer SPWLA 53 rd Annual Logging Symposium, June 16-20, 2012 1 IDENTIFYING BYPASSED OIL IN CAÑO LIMON WITH THE CARBON/OXYGEN...
Proceedings Papers

Paper presented at the SPWLA 52nd Annual Logging Symposium, May 14–18, 2011
Paper Number: SPWLA-2011-S
... Reservoir Characterization scientific computing geologic modeling well logging log analysis Upstream Oil & Gas spwla 52 well placement workflow inversion application boundary curtain section geological modeling Modeling & Simulation formation evaluation tool response...
Proceedings Papers

Paper presented at the SPWLA 51st Annual Logging Symposium, June 19–23, 2010
Paper Number: SPWLA-2010-21847
... neutron tool model was built and Monte Carlo modeling was used to predict the tool response in a wide variety of logging environments. Data analysis and uncertainty evaluation were done with the goals of identifying the SPWLA 51st Annual Logging Symposium, June 19-23, 2010 strengths as well as weaknesses...
Proceedings Papers

Paper presented at the SPWLA 50th Annual Logging Symposium, June 21–24, 2009
Paper Number: SPWLA-2009-18904
... included freshwater- and gas-filled sand, shaly sand, and shale formations with relative wellbore dip angles ranging from 0 to 85 degrees. Tool response in thin bed formations was also simulated and verified with MCNP5. Furthermore, calculations were done to quantify borehole environmental effects...
Proceedings Papers

Paper presented at the SPWLA 50th Annual Logging Symposium, June 21–24, 2009
Paper Number: SPWLA-2009-48563
... real time system Upstream Oil & Gas boundary well logging sensitivity application complex scenario Reservoir Characterization modeling well placement directional EM interpretation spwla 50 resistivity log analysis real-time interpretation tool response Symposium azimuth...
Proceedings Papers

Paper presented at the SPWLA 50th Annual Logging Symposium, June 21–24, 2009
Paper Number: SPWLA-2009-56708
... ), and invasion length ( L xo ). Then the model-based correction is applied by modifying the tool response in a borehole with mud resistivity R m to a response in a borehole with virtual mud resistivity equal to R xo (or to R t if the formation is not invaded). This approach guarantees...
Proceedings Papers

Paper presented at the SPWLA 49th Annual Logging Symposium, May 25–28, 2008
Paper Number: SPWLA-2008-YYY
... off the tool axis in order to minimize the gamma ray attenuation within the drill collar. The detector eccentricity in LWD tools together with the azimuthal rotation of the drill collar while drilling make the "simplest" GR tool response difficult to interpret with conventional log analysis methods...
Proceedings Papers

Paper presented at the SPWLA 48th Annual Logging Symposium, June 3–6, 2007
Paper Number: SPWLA-2007-N
... formation and borehole components of the thermal neutron decay, thus affecting the formation sigma log. This paper investigates the effects of proppants and gravel-pack completions upon thermal neutron decay logs, using computer simulations of the tool response for several scenarios. A benchmarked Monte...
Proceedings Papers

Paper presented at the SPWLA 47th Annual Logging Symposium, June 4–7, 2006
Paper Number: SPWLA-2006-AAA
... borehole nuclear tool response dip angle log analysis Simulation bed boundary HA HZ well Upstream Oil & Gas detector simulation result porosity tool response detector response Symposium spwla 47 vertical well detector count shale boundary horizontal well SPWLA 47th Annual Logging...

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