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Multiple log interpretation

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Proceedings Papers

Paper presented at the SPWLA 4th Annual Logging Symposium, May 23–24, 1963
Paper Number: SPWLA-1963-E
... ABSTRACT Accurate measurement of reliable detection of formation and borehole parameters commonly requires two or more logging curves. These curves must have different responses to given physical properties, or they must have different "fields of investigation." Multiple-curve interpretation...
Journal Articles
Petrophysics 11 (04).
Paper Number: SPWLA-1970-vXIn4a1
Published: 01 July 1970
... informa- tion of value. INTRODUCTION Log interpretation of gas sands requires special con- sideration of gas effects on the responses of porosity logs in general use today-sonic, density, and neutron. LOG INTERPRETATIONS OF GAS SANDS FROM MULTIPLE-POROSITY AND RESISTIVITY LOGGING PROGRAMS BY C . R...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-FFFF
...SPWLA 60th Annual Logging Symposium, June 15-19, 2019 DOI: 10.30632/T60ALS-2019_FFFF 1 FAST BAYESIAN INVERSION METHOD FOR THE GENERALIZED PETROPHYSICAL AND COMPOSITIONAL INTERPRETATION OF MULTIPLE WELL LOGS WITH UNCERTAINTY QUANTIFICATION Tianqi Deng, Joaquín Ambía, and Carlos Torres-Verdín...
Proceedings Papers

Paper presented at the SPWLA 23rd Formation Evaluation Symposium of Japan, October 11–12, 2017
Paper Number: SPWLA-JFES-2017-Y
... measurement laminar shale log analysis Formation Evaluation Symposium bioturbated formation interpretation relative dip apparent resistivity resistivity well logging shale content multiple well resistivity measurement horizontal resistivity anisotropy gianzero equation shale conventional...
Proceedings Papers

Paper presented at the 1983 SEG Annual Meeting, September 11–15, 1983
Paper Number: SEG-1983-0129
... and sine transforms have been performed using the digital convolution filters devel- oped by Anderson (1979). Inversion Interpretation of Multiple Spacing Resistivity Logs E3.7 Wen J. Whan and George V. Keller, Colorado School of Mines The results of resistivity surveys carried out with a variety...
Images
<span class="search-highlight">Multiple</span> options for water flow <span class="search-highlight">log</span> data <span class="search-highlight">interpretation</span> to identify source ...
Published: 08 October 2012
Fig.13 Multiple options for water flow log data interpretation to identify source of produced water. Without the well integrity history, likely interpretation (option-A) of water-from-above behind multiple casing and salts of GSA formation was proposed, which was very unreasonable. Corroborating t... More
Images
<span class="search-highlight">Multiple</span> options for water flow <span class="search-highlight">log</span> data <span class="search-highlight">interpretation</span> to identify source ...
Published: 22 October 2012
Figure 13 Multiple options for water flow log data interpretation to identify source of produced water. Without the well integrity history, likely interpretation (option-A) of water-from-above behind multiple casing and salts of GSA formation was proposed, which was very unreasonable. Corroboratin... More
Journal Articles
J Pet Technol 20 (09): 959–970.
Paper Number: SPE-1979-PA
Published: 01 September 1968
... further complicates accurate porosity determination. These difficulties are overcome by combining several porosity-sensitive devices; for example, the interpretation of porosity in the presence of gas is done with the combination of open-hole density and neutron logs. Such multiple-log interpretations can...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199660-MS
...-channel log data from azimuthal gamma, resistivity and other sensors. Furthermore, the algorithm can be extended to interpret against multiple offset wells simultaneously. This paper was selected for presentation by an IADC/SPE program committee following review of information contained...
Proceedings Papers

Paper presented at the Offshore Technology Conference Asia, March 22–25, 2022
Paper Number: OTC-31528-MS
... are very strong. The development of micro-fractures is verified by core data, logging data and dynamic analysis. And the multiplicity of well test interpretation is obvious. The core, thin section, imaging logging and well test data ( Fig.1 ) of A oilfield all show that fractures are developed in Asmari...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 14–16, 2014
Paper Number: SPE-171521-MS
... interpretation society of petroleum engineers tool type assessment workflow dataset data quality objective interpretation classification scheme image log scale application classification system checklist classification scheme multiple interpreter The image interpretation phase is split...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2476-MS
... a case study where we apply a Bayesian-inference based inversion workflow to wireline and core data acquired in multiple wells from the Eagle Ford Shale. The interpretation workflow is designed for rapid and semi-automatic assessment of well logs acquired in multiple wells within the same hydrocarbon...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997278
... reservoir characterization multiple well log well tie machine learning bader fomel geophysics annual international meeting gardner interpretation correlation estimation hale annual meeting seg international exposition upstream oil &amp; gas artificial intelligence Avseth , P...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 9–12, 2020
Paper Number: SPE-202621-MS
... the separate well logs in order to obtain accurate quantifications of porosity and saturation within a single well, as well as across a multiple number of wells. The well logs are typically acquired at different times throughout the production lifecycle of a reservoir, and may be interpreted by different...
Proceedings Papers

Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference Asia, March 22–25, 2022
Paper Number: OTC-31631-MS
... produce multiple datasets from a variety of logging tools. The types and sources of these datasets include synthetic data from simulation and modeling, tool calibration and lab testing, as well as raw, processed, and interpreted data. This paper describes the use of advanced ML techniques to scrutinize...
Proceedings Papers

Paper presented at the 2012 SEG Annual Meeting, November 4–9, 2012
Paper Number: SEG-2012-1375
... either because they may not know how to deal with multiple possibilities or it is just what one thinks they expect. Petrophysicists may have looked at uncertainty in well log interpretation for a long time, but more often than not will only pass on one set of logs to their geologists. Geophysicist have...
Proceedings Papers

Publisher: International Petroleum Technology Conference
Paper presented at the International Petroleum Technology Conference, February 21–23, 2022
Paper Number: IPTC-22188-EA
... on the seismic and log data integration. Construct an advanced 3D geological model with multiple variables. Generate a more objective interpretation by having less human inference in the data analysis. Bridge the gap between the G'G software and AI software platforms and lift current G'G software...
Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208697-MS
... this heatmap, multiple potential log interpretations to be created, maintained, and assigned a probabilistic rank as the lateral is being drilled. Previously this algorithm was shown to produce reasonable interpretations on wells that had already been drilled ( Maus, et. al. 2020 ) but had not been used...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-II
... of different neutron interaction properties such as capture, elastic, and inelastic cross-sections. Conventional cased-hole interpretation methods tend to use a single isolated pulsed neutron measurement complemented by multiple external inputs, often from openhole logs, and assumed formation water salinity...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 9–12, 2020
Paper Number: SPE-202858-MS
... processing velocity regional geological trend abu dhabi seismic inversion low frequency model velocity model interpretation log interpolation tomography case 4 porosity processing velocity inversion result cube psdm processing inversion well location "A field", the subject...

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