Relevant bibliographies by topics / Number of logging tools

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Number of logging tools'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Number of logging tools"

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Suhartana, Sona, and Yuniawati Yuniawati. "ANALYSIS OF USING EFFICIENT LOGGING TOOLS AT PT. PURWA PERMAI IN CENTRAL KALIMANTAN." JOURNAL OF FORESTRY RESEARCH 5, no. 1 (2008): 53–64. https://doi.org/10.20886/ijfr.2008.5.1.53-64.

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A high log demand that often exceeds its supply capability should be overcome by using appropriate logging  tools. Numerous  kinds and types of logging  tools require  a well planning in their utilization. Number of tools which are greater or fewer than what is actually needed can be disadvantageous  for a company. In relevant to these aspects, a study was carried out at a timber estate in Central Kalimantan  in 2007. The aim of the study was to find out an efficient number  of tools used for logging  in a timber  estate. The analysis was based on t
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PETROKUSHYN, Oleh, and Iryna BEZRODNA. "PULSED NEUTRON LOGGING IN THE WORLD AND IN UKRAINE: BEGGINING, ESTABLISHMENT, PRESENT." Visnyk of Taras Shevchenko National University of Kyiv. Geology, no. 2 (109) (2025): 31–39. https://doi.org/10.17721/1728-2713.109.04.

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Background. At present, most of the oil and gas fields in Ukraine are depleted, requiring the operator companies in Ukraine to constantly monitor saturation levels and fluid movement withing the reservoirs as these are crucial pieces of information for optimizing and planning further production strategies. Methods. The development and current state of pulsed neutron logging as one of the main methods of monitoring the development of oil and gas fields is described in the paper. Results. The article focuses on the history of the establishment of the pulsed neutron logging, starting from 1949. F
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Ji, Yongli, Zhiqiang Li, Jigen Xia, and Jiajia Song. "A standard calibration method based on a symmetric resistance network matrix for galvanic logging instruments." PLOS ONE 19, no. 4 (2024): e0302032. http://dx.doi.org/10.1371/journal.pone.0302032.

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An increasing number of measurement electrodes have been designed to satisfy the demand for high-resolution detection using galvanic logging technology in complex formations. The forward modeling response analysis of logging tools has important guiding significance in the design of galvanic logging tools. Based on a three-dimensional finite element numerical simulation method, we established a forward model of galvanic multi-electrodes in a complex formation. We also designed a symmetrical resistance network model of the formation with equivalent resistance between two electrodes. A symmetrica
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Gu, Caiyun, Peng Zhao, Li Wang, and Hongxia Guo. "Technical Application of Petroleum Logging Instruments in Marine Logging." Polish Maritime Research 25, s3 (2018): 22–28. http://dx.doi.org/10.2478/pomr-2018-0108.

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Abstract To solve the problem of offshore oilfield development, based on the newly introduced pulsed neutron oxygen activation logging instrument, the application research of test design and interpretation method was carried out and applied to actual production. The structure, technical indicators and logging principles of pulsed neutron oxygen activation logging tools were introduced. The test design under different well conditions was studied, including general positive and negative injection, oil sleeve injection, single oil pipe configuration and multitubing configuration. A large amount o
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Tagiev, Mikail. "Shadow Economy Forms of Manifestation and Tools to Combat it in the Timber Industry." Bulletin of Baikal State University 28, no. 4 (2018): 711–18. http://dx.doi.org/10.17150/2500-2759.2018.28(4).711-718.

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The article presents the structure of illegal logging activity, and differentiates its informal and criminal components. The legislative measures taken by the state to curb illegal felling and logging are analyzed. To create a general representation of the size of the shadow economy in the timber industry, the author structures the main forms of its manifestation, which allows him to classify the factors of the shadow economy in the industry and recommend a set of measures aimed at minimizing the size of the shadow economy activities. The author also examines the dynamics of the informal secto
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Prammer, M. G., J. Bouton, E. D. Drack, M. N. Miller, and R. N. Chandler. "A New Multiband Generation of NMR Logging Tools." SPE Reservoir Evaluation & Engineering 4, no. 01 (2001): 59–63. http://dx.doi.org/10.2118/69670-pa.

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Summary This paper describes the hardware and operation of a new generation of nuclear magnetic resonance (NMR) logging tools. In the past, NMR required the logging engineer to consider the T1 relaxation times of the reservoir fluids likely to be encountered. Actual, or simply assumed, long T1's translated into slow logging speeds. The new tool generation overcomes this limitation. The key feature is that nine sensitive volumes are polarized in parallel and are read out in rapid sequence. A new sonde design speeds up the polarization process by a factor of 2. Each volume contributes equally to
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Ashok, Lama. "Monitoring and Logging Best Practices in Java Microservices for Effective Software Development." International Journal of Computer Application 15, no. 2 (2025): 4–9. https://doi.org/10.5281/zenodo.15362493.

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<strong>Abstract</strong> In the era of microservices architecture, effective monitoring and log The complexity of administering and observing these systems increases with the distribution of applications, so it is crucial to have strong monitoring and logging procedures in place. Best practices for Java microservices monitoring and logging are examined in this article, with a focus on the value of real-time insights into application activity, performance indicators, and error tracking. Effective monitoring and logging are made possible by a number of tools and frameworks, including Prometheus
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Pine, John C., Brian D. Marx, and Cornelis F. de Hoop. "Characteristics of Workers' Compensation Injuries for Logging Operations in Louisiana: 1985-1990." Southern Journal of Applied Forestry 18, no. 3 (1994): 110–15. http://dx.doi.org/10.1093/sjaf/18.3.110.

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Abstract The number of reported workers' compensation injuries in logging operations in Louisiana has decreased at a time when the number of employees in logging has increased. Employees with less than 3 yr of employment accounted for 82% of all claims. The percentage of cases involving cuts and lacerations decreased from 1985 through 1990; however, sprains and strains increased, from 15% in 1985 to 28% in 1990, during this period. Back injuries accounted for 15% of injuries. Falls contributed to 13% of injuries. Falling trees were the major cause of fatalities. Truck drivers were 20% of the c
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Bradley, Tom, Simon Austin, David Holbrough, et al. "A Universal Data Format for Wellbore Logs." Petrophysics – The SPWLA Journal of Formation Evaluation and Reservoir Description 64, no. 6 (2023): 823–36. http://dx.doi.org/10.30632/pjv64n6-2023a1.

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This paper describes a proposed high-specification standard format that is ideally suited for the data management of definitive records of wellbore logs. For this reason, it is a good standard for data exchange between applications. The format is suitable for complex three-dimensional (3D) data, including those generated by deep azimuthal resistivity (DAR) and ultradeep azimuthal resistivity (UDAR) tools, acoustic borehole reflection images, vertical seismic profiles (VSP), borehole imaging tools, multifingered caliper logs, and array data with multiple depths of investigation. It is applicabl
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Skakalska, L. V., A. V. Nazarevych, and V. I. Kosarchyn. "THE THEORETICAL-EMPIRICAL TECHNIQUE OF HYDROCARBONS PREDICTION IN THE BOREHOLES LOGS WITH THE BASIC PARAMETER – COMPRESSIBILITY." Мінеральні ресурси України, no. 4 (December 28, 2018): 18–25. http://dx.doi.org/10.31996/mru.2018.4.18-25.

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The theoretical-empirical technique of hydrocarbon prediction in the boreholes logs is presented. It is based on the adequate physical-mathematical model of rocks, on the empirical relations between compressibility, porosity and pressure for these rocks, on the core data and also on acoustic logging data (the interval times or body wave’s velocities). For the cases of the acoustic logging data absence, the variants of the prediction technique by using data of gamma-logging, electric logging, and the offset logging method are developed. The presented technique is realized as a system of theoret
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Dissertations / Theses on the topic "Number of logging tools"

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Hue, Yik-Kiong. "Analysis of electromagnetic well-logging tools." Columbus, Ohio : Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1143053776.

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Pulls, Tobias. "Preserving Privacy in Transparency Logging." Doctoral thesis, Karlstads universitet, Institutionen för matematik och datavetenskap, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-35918.

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The subject of this dissertation is the construction of privacy-enhancing technologies (PETs) for transparency logging, a technology at the intersection of privacy, transparency, and accountability. Transparency logging facilitates the transportation of data from service providers to users of services and is therefore a key enabler for ex-post transparency-enhancing tools (TETs). Ex-post transparency provides information to users about how their personal data have been processed by service providers, and is a prerequisite for accountability: you cannot hold a controller accountable for what is
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NOVO, MARCELA SILVA. "NUMERICAL ANALYSIS OF ELECTROMAGNETIC WELL-LOGGING TOOLS BY USING FINITE VOLUME METHODS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2007. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=11478@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>SOCIETY OF EXPLORATION GEOPHYSICISTS FOUNDATION<br>SOCIETY OF PETROPHYSICISTS & WELL LOG ANALYSTS<br>O objetivo principal deste trabalho é o desenvolvimento de modelos computacionais para analisar a resposta eletromagnética de ferramentas de perfilagem LWD/MWD em formações geofísicas arbitrárias. Essa modelagem envolve a determinação precisa de campos eletromagnéticos em regiões tridimensionais (3D) complexas e, conseqüentemente, a solução de sistemas lineares não-hermit
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ROSA, GUILHERME SIMON DA. "PSEUDO-ANALYTICAL MODELING FOR ELECTROMAGNETIC WELL-LOGGING TOOLS IN COMPLEX GEOPHYSICAL FORMATIONS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2017. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=30559@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>PROGRAMA DE DOUTORADO SANDUÍCHE NO EXTERIOR<br>Esta tese apresenta um estudo sobre técnicas de modelagem numérica utilizadas na análise da propagação eletromagnética em formações geofísicas comumente encontradas na perfuração de poços de petróleo. O emprego de sensores eletromagnéticos adjacentes à broca de perfuração permite a inferência dos parâmetros constitutivos do solo ao redor do poço. Nos últimos anos, os
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Храпай, Р. Г. "Програмна модернізація зношеної системи координатних рухів для ЧПК верстату". Thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/67836.

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Дана робота присвячена підвищенню точності обробки заготовки на автоматизованих металооброблювальних центрах, які мають осі з механічно зношеними направляючими та шарово-гвинтовою парою, за допомогою програмної модернізації констант в системі SINUMERIC 840D. Не зважаючи на ряд обмежень та відсутності прямих параметрів для подібних дій, в системі присутні параметри, за правильної зміни яких таке стає можливим.
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Kuhlmann, Holmer. "Reconstruction of the sedimentary history offshore NW Africa application of core-logging tools /." [S.l.] : [s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=975478648.

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Lee, Hwa Ok. "Cylindrical FDTD analysis of LWD tools through anisotropic dipping layered earth media." Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1146148166.

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Micheli, Gabrielle de. "Discrete Logarithm Cryptanalyses : Number Field Sieve and Lattice Tools for Side-Channel Attacks." Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0104.

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Les cryptosystèmes dits à clé publique sont construits à l'aide de fonctions à sens unique qui assurent à la fois la sécurité et l'efficacité des cryptosystèmes. L'un des deux principaux candidats envisagés à l'origine pour construire de tels cryptosystèmes est l'exponentiation modulaire avec son opération inverse, le calcul de logarithmes discrets. Dans cette thèse, nous étudions la sécurité de protocoles qui utilisent des exponentiations modulaires où l'exposant est un secret du protocole. Afin d'évaluer la sécurité de tels protocoles, on peut d'une part estimer la difficulté de résoudre dir
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ADRIANO, ANDREA. "Visual Illusions and Fourier analysis as psychophysical tools to support the existence of the Number Sense." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2022. http://hdl.handle.net/10281/379213.

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L'ambiente naturale in cui gli animali sono costretti a sopravvivere modella il loro cervello e il modo in cui si comportano per adattarsi e superare le pressioni naturali. Queste pressioni selettive potrebbero aver determinato l'emergere di un antico sistema neurale adatto a estrarre rapidamente informazioni astratte da set di oggetti, come la loro numerosità, per prendere decisioni informate fondamentali per la sopravvivenza e l'adattamento. La teoria del "Senso numerico" rappresenta il modello neurale più influente che tiene conto delle prove neuropsicologiche e psicofisiche negli esseri um
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Kurz, Terri L., H. Bahadir Yanik, and Jorge Garcia. "Helping a Young Child Connect Fact Family Addition and Subtraction using Tools." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-80491.

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In order to help children become effective at addition and subtraction, it is important to provide them with an opportunity to investigate and discover the interconnectedness of the two operations. Fact families are one method teachers use to try and help children develop and understand how the operations relate to one another. This paper documents a strategy that was used with a seven year old boy to help him connect addition to subtraction. The strategy incorporated flash card tools to help him create logical problems to discover the mathematical relationship of fact families. With just a fe
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Books on the topic "Number of logging tools"

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Corporation, Encyclopaedia Britannica Educational. Number tools. Encyclopaedia Britannica Educational Corp., 1997.

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Singha, Kamini. Borehole-radar methods: Tools for characterization of fractured rock. U.S. Dept. of the Interior, U.S. Geological Survey, 2000.

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Singha, Kamini. Borehole-radar methods: Tools for characterization of fractured rock. U.S. Dept. of the Interior, U.S. Geological Survey, 2000.

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Singha, Kamini. Borehole-radar methods: Tools for characterization of fractured rock. U.S. Dept. of the Interior, U.S. Geological Survey, 2000.

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Singha, Kamini. Borehole-radar methods: Tools for characterization of fractured rock. U.S. Dept. of the Interior, U.S. Geological Survey, 2000.

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Singha, Kamini. Borehole-radar methods: Tools for characterization of fractured rock. U.S. Dept. of the Interior, U.S. Geological Survey, 2000.

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Singha, Kamini. Borehole-radar methods: Tools for characterization of fractured rock. U.S. Dept. of the Interior, U.S. Geological Survey, 2000.

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Singha, Kamini. Borehole-radar methods: Tools for characterization of fractured rock. U.S. Dept. of the Interior, U.S. Geological Survey, 2000.

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Fokin, Sergey, and Oksana Shport'ko. Logging production: technologies and equipment. INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1058986.

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The textbook discusses the main stages of logging operations and forest transport, as well as technologies and types of equipment for performing work on lower timber yards, including technologies for stacking, loading and dumping of harvested timber. A separate chapter of the book is devoted to the issues of ensuring safety during these works. A detailed description of the construction of logging machines, motor tools, vehicles, machines, aggregates and lines for primary processing of wood (stumping of branches, bucking and cutting of whips, debarking of sorts), lifting and transport machines
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Kehutanan, Indonesia Direktorat Jenderal Bina Produksi. Director General of Production Forest Development Guidance number: P.02/VI/-BPPHH/2010 on guidance of performance evaluation of sustainable production forest management and timber legality verification. Ministry of Forestry, 2010.

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Book chapters on the topic "Number of logging tools"

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Gooneratne, Chinthaka P., Bodong Li, Max Deffenbaugh, and Timothy Moellendick. "Logging Tools in Hydrocarbon Wells." In Instruments, Measurement Principles and Communication Technologies for Downhole Drilling Environments. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-04900-3_4.

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Boyeldieu, C., and J. Draxler. "Deep Well Formation Logging — The Problems. The Logging Tools." In Exploration of the Deep Continental Crust. Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-45616-9_22.

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Butler, J., A. F. Avery, B. Darling, P. B. Kemshell, and A. D. Knipe. "Modelling of Oilwell Borehole Logging Tools." In Optimization of the Production and Utilization of Hydrocarbons. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2256-6_8.

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Crandall, Richard, and Carl Pomerance. "Number-Theoretical Tools." In Prime Numbers. Springer New York, 2001. http://dx.doi.org/10.1007/978-1-4684-9316-0_2.

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Unterberger, André. "The basic tools." In Pseudodifferential Methods in Number Theory. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-92707-7_2.

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Nakazawa, Naoya, and Hiroshi Nakazawa. "Basic Concepts and Tools." In Random Number Generators on Computers. Jenny Stanford Publishing, 2024. http://dx.doi.org/10.1201/9781003410607-1.

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Chen, Lei, and Lu Zhang. "Optimal Scheduling User Number in Massive MIMO with QoS Requirement." In Simulation Tools and Techniques. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32216-8_61.

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Pandey, Chetan, Amit Juyal, and Ankur Dumka. "Vehicle Number Extraction Using Open Source Tools." In Advances in Information Communication Technology and Computing. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5421-6_40.

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Xu, Da-hua, and Yong-sheng Chao. "Design the Network Bus of Logging Downhole Tools on 10BASE-T1S Network." In Springer Series in Geomechanics and Geoengineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-0479-8_32.

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Tremblay, Yann, and Sophie Bertrand. "“Bio-logging” as a Tool to Study and Monitor Marine Ecosystems, or How to Spy on Sea Creatures." In Tools for Oceanography and Ecosystemic Modeling. John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119330226.ch5.

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Conference papers on the topic "Number of logging tools"

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Price, Jimmy, Darren Gascooke, Anthony Van Zuilekom, and Christopher Jones. "IMPROVING RESERVOIR TESTING AND SAMPLING IN H2S CONTAMINATED FLUIDS BY ADAPTING STATE-OF-THE-ART SEMICONDUCTOR THIN FILM TECHNOLOGY FOR DOWNHOLE TESTER TOOLS." In 2021 SPWLA 62nd Annual Logging Symposium Online. Society of Petrophysicists and Well Log Analysts, 2021. http://dx.doi.org/10.30632/spwla-2021-0026.

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Accurate reservoir fluid identification and sampling of hydrogen sulfide (H2S) contaminated fluids is difficult to achieve due its consumption by the interior of downhole tool surfaces prior to sampling or measurement. For low PPM level concentrations, this fact does not change, despite recent tool advances utilizing NACE compliant materials. Consequently, H2S concentrations are typically under-reported which adversely affects production and presents significant health safety and environment concerns. Historically, only sampling bottles have been coated to preserve H2S concentrations during tr
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Zhu, Jun, Yong Die, Yuanshi Tian, and John Zhou. "DECIPHERING THE CAPABILITIES OF LOOK-AHEAD METHODS IN LWD." In 2021 SPWLA 62nd Annual Logging Symposium Online. Society of Petrophysicists and Well Log Analysts, 2021. http://dx.doi.org/10.30632/spwla-2021-0024.

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The use of electromagnetic logging tools while drilling to investigate the space in front of the drill-bit and to predict the geologic strata and/or fluid property ahead has been one of the industry-focuses in recent years. The commercial look-ahead tools have two main designs based on the published tool configurations and data-channel definitions. The first type employs combinations of tilted coils to acquire multiple or all components of electromagnetic fields and presents logs defined in novel expressions as functions of these field components. The second kind uses combination of the voltag
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Sviridov, Mikhail, Anton Mosin, Sergey Lebedev, and Ron Thompson. "VENDOR-NEUTRAL STOCHASTIC INVERSION OF LWD DEEP AZIMUTHAL RESISTIVITY DATA AS A STEP TOWARD EFFICIENCY STANDARDIZATION OF GEOSTEERING SERVICES." In 2021 SPWLA 62nd Annual Logging Symposium Online. Society of Petrophysicists and Well Log Analysts, 2021. http://dx.doi.org/10.30632/spwla-2021-0103.

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While proactive geosteering, special inversion algorithms are used to process the readings of logging-while-drilling resistivity tools in real-time and provide oil field operators with formation models to make informed steering decisions. Currently, there is no industry standard for inversion deliverables and corresponding quality indicators because major tool vendors develop their own device-specific algorithms and use them internally. This paper presents the first implementation of vendor-neutral inversion approach applicable for any induction resistivity tool and enabling operators to stand
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Abdulghani, A. J., H. A. Muailu, and M. N. Shurafa. "State-Of-The-Art Technologies and Engineering Approach to Production Logging of Penta Lateral Electrical Submersible Pump Driven Offshore Wells." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/215992-ms.

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Abstract As the number of multi-lateral complex wells and advanced completions deployment rises, the demand for advanced and reliable Coiled Tubing (CT) intervention and logging solutions is also increasing. Well complexity is associated with the number of laterals, extended-reach open-hole, complex well trajectories, and the use of advanced completions such as Electrical Submersible Pumps (ESP), Inflow Control Valves (ICV), Inflow Control Devices (ICD), and other completion accessories. This paper provides a comprehensive engineering approach for logging multi-lateral wells with slim ESP comp
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Gonzalez, Andres, Zoya Heidari, and Olivier Lopez. "A NEW OPTIMIZATION METHOD FOR ENHANCED FORMATION EVALUATION AND ROBUST PHYSICS-BASED AUTOMATIC ROCK CLASSIFICATION USING HIGH-RESOLUTION CT-SCAN IMAGE DATA AND CONVENTIONAL WELL LOGS." In 2021 SPWLA 62nd Annual Logging Symposium Online. Society of Petrophysicists and Well Log Analysts, 2021. http://dx.doi.org/10.30632/spwla-2021-0030.

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Conventional formation evaluation provides fast and accurate estimations of petrophysical properties in conventional formations through conventional well logs and routine core analysis (RCA) data. However, as the complexity of the evaluated formations increases conventional formation evaluation fails to provide accurate estimates of petrophysical properties. This inaccuracy is mainly caused by rapid variation in rock fabric (i.e., spatial distribution of rock components) not properly captured by conventional well logging tools and interpretation methods. Acquisition of high-resolution whole-co
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Hekimoglu, Kemal C., Filippo Casali, and Antonio Bonetti. "ADDRESSING RESERVOIR HETEROGENEITY BY INTEGRATION OF GEOCHEMISTRY AND PETROPHYSICAL LOGS IN CARBONATE PROSPECTS." In 2021 SPWLA 62nd Annual Logging Symposium Online. Society of Petrophysicists and Well Log Analysts, 2021. http://dx.doi.org/10.30632/spwla-2021-0004.

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Formation evaluation challenges in highly fractured, stacked reservoirs with multiple source rocks and structural complexities that have complicated charging histories are common in the Middle East. Finding additional pay zones, understanding the contribution of individual oils to the overall production, or evaluating the compartmentalization within the reservoir by resolving the heterogeneity of the reservoir rocks are to name but a few. This work tries to understand the challenges posed by the subsurface complexities and attempts to find answers through physical evidence, using both onsite d
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Liu, Shanshan, and Zhiming Wang. "Formation Grain Size Profile Prediction Model Considering the Longitudinal Continuity of Reservoir Using Artificial Intelligence Tools." In SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205683-ms.

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Abstract Grain size characteristics (d50, UC) of formation sands are crucial parameters in a sand control design. UC and d50 are commonly derived from sieve or laser particle size analysis (LPSA) techniques on a limited number of core samples in the process of drilling, which cannot represent the variations of grain sizes in the formation by the limited number of core samples. Moreover, staged and hierarchic design of sand control usually needs the whole longitudinal distribution profile of grain size. The grain size characteristics of the reservoir are formed in the process of a long history
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Cai, Shanqing, Juntao Liu, Xusheng Wang, and Zhiyi Liu. "THEORETICAL METHOD AND EXPERIMENTAL RESEARCH ON HIGH PRECISION FOUR DETECTOR DENSITY LOGGING." In 2021 SPWLA 62nd Annual Logging Symposium Online. Society of Petrophysicists and Well Log Analysts, 2021. http://dx.doi.org/10.30632/spwla-2021-0066.

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In order to better evaluate the formation density, casing and cement ring integrity under casing well conditions, a high precision four detector density logging tool was designed and developed. Theoretical methods and experimental studies are carried out on the relationship between the measured data of the four detector density logging tool and the formation density, casing thickness and cement ring thickness. By carrying out a large number of Monte Carlo simulations and setting up different experimental measurement devices, the effects of casing thickness, cement ring thickness and formation
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Mussayev, G., B. Saduakassov, A. Nurmukhanbetov, et al. "Wireline Surveillance Operations with Minimum Impact to Production." In SPE Caspian Technical Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/217634-ms.

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Abstract This paper is aimed to share recent best practices in wireline well interventions in Tengiz field, specifically aimed to reduce the intervention impact to LPO (Loss Production Opportunity). Three main practices will be shared: Installation of protecting cages to conduct wireline interventions on MWPs. TCO has Multi-WellPad (MWP) facilities with a number of wells that hooked up into one production system. TCO must collect subsurface data for RoK requirements and Reservoir Management. In the past, TCO had to shut-in entire MWP to execute surveillance operations, which would negatively i
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Kabiyev, Y., R. Manakhayev, and M. Kazhgaliyev. "Field Trial of LWD NMR Tool for Accurate Estimation of Effective Porosity in Deviated HPHT Wells: A Viable Alternative to Wireline-Based NMR Tools." In SPE Caspian Technical Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/217647-ms.

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Abstract The Tengiz reservoir is known for its substantial bitumen content, requiring careful differentiation during formation evaluation processes. To accurately estimate the effective porosity, wireline nuclear magnetic resonance (NMR) tools were used in conjunction with other logging tools. However, the increasing number of deviated wells drilled in Tengiz posed conveyance challenges for the wireline-based NMR tool due to high deviation angles. In light of this, TCO (Tengizchevroil) geoscientists sought opportunities to acquire NMR data using logging-while-drilling (LWD) technology in the r
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Reports on the topic "Number of logging tools"

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Wright, Andrew. Long-Term High-Temperature High-Pressure Cable for Geothermal Logging Tools. Office of Scientific and Technical Information (OSTI), 2024. https://doi.org/10.2172/2516861.

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Tao, Gang, and Brian Wagg. PR-244-16704-R01 Casing Corrosion Logging Tool Test. Pipeline Research Council International, Inc. (PRCI), 2019. http://dx.doi.org/10.55274/r0011626.

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Pipeline Research Council International, Inc. (PRCI) contracted C-FER Technologies (1999) Inc. ("C-FER") to conduct a laboratory testing program to evaluate the performance of various casing corrosion logging techniques and tools. An additional objective of this test program was to evaluate the influence of the wellhead and outer casing strings on the response of magnetic flux leakage tools, and to evaluate the thru-tubing logging technique. A test well was set up with a string of 4.5 inch diameter tubing joints (~150 ft total length) hanging concentrically inside a string of 7 inch diameter c
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D'Amico, Angela, Christopher Kyburg, and Rowena Carlson. Software Tools for Visual and Acoustic Real-Time Tracking of Marine Mammals: Whale Identification and Logging Display (WILD). Defense Technical Information Center, 2010. http://dx.doi.org/10.21236/ada533470.

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Olson, L. C., R. D. Knight, H L Crow, and H. A. J. Russell. Chemostratigraphic logging of the Lower Ordovician and Precambrian, Bells Corners borehole calibration facility, Ottawa, Ontario. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/330519.

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Geochemical data were collected from a 120-meter-deep borehole (BC81-2) located at the Geological Survey of Canada's Bells Corners Borehole Calibration Facility in Ottawa, Ontario. This report documents geochemical data collected for the most frequently logged of the six boreholes located at the facility. The geochemical data were collected using a portable X-ray fluorescence (pXRF) spectrometer with a subset of samples collected for modern laboratory based fusion and multi-acid methods to calibrate the pXRF data for improved accuracy. Borehole geochemistry provides a characterization of Preca
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Brackney, L. Mobile Building Energy Audit and Modeling Tools: Cooperative Research and Development Final Report, CRADA Number CRD-11-00441. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1076665.

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Haring, Christopher, and David Biedenharn. Channel assessment tools for rapid watershed assessment. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/40379.

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Existing Delta Headwaters Project (DHP) watershed stabilization studies are focused on restoration and stabilization of degraded stream systems. The original watershed studies formerly under the Demonstration Erosion Control (DEC) Project started in the mid 1980s. The watershed stabilization activities are continuing, and because of the vast number of degraded watersheds and limited amount of yearly funding, there is a need for developing a rapid watershed assessment approach to determine which watersheds to prioritize for further work. The goal of this project is to test the FluvialGeomorph (
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Dashtey, Ahmed, Patrick Mormile, Sandra Pedre, Stephany Valdaliso, and Walter Tang. Prediction of PFOA and PFOS Toxicity through Log P and Number of Carbon with CompTox and Machine Learning Tools. Florida International University, 2024. http://dx.doi.org/10.25148/ceefac.2024.00202400.

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Perfluorooctanoic acid (PFOA) and perfluorooctane sulfonic acid (PFOS) are two major groups of PFAS will be subjected to the Maximal Contamination Concentration (MCL) of 4 ng/l in drinking water to be implemented by the U.S. EPA by 2025. How to accurately predict toxicity of PFAS with varied carbon chain length is important for treatment and sequential removal from drinking water. This study presents Quantitative Structure and Activity Relationship (QSAR) models developed through both linear regression and two order regression. Log P is compiled from reference and carbon content is counted as
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McCormack, Caitilin, Steve Jennings, and Linda Kenni. Gender and LGBTQI+ Policy and Programming in Vanuatu: Opportunities, challenges, capacity, and tools for change. Oxfam, 2020. http://dx.doi.org/10.21201/2020.6508.

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In 2016 the government of Vanuatu introduced a National Gender Equality Policy. A second phase of the policy will be implemented in 2020–2024. Insights from key informants working on gender in Vanuatu reveal that there have been some positive developments in the first policy phase. A number of challenges remain, however, including limited capacity in a number of key institutions, and resistance to progress caused by prevailing conservative and patriarchal values and beliefs in Vanuatu. In the absence of other legal instruments for LGBTQI+/SOGI equality, perspectives vary on whether this aspect
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Grout, Ray. Tools for Design and Scale-Up of Solar Thermochemical Reactors: Cooperative Research and Development Final Report, CRADA Number CRD-13-00530. Office of Scientific and Technical Information (OSTI), 2022. http://dx.doi.org/10.2172/1875071.

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Tomaskova, Hana, Matej Kucera, Marek Stodola, and Anna Kagstrom. Systematic review of tools available to measure mental health literacy in children and adolescents. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.9.0054.

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Review question / Objective: The aim of the present study was to conduct a systematic search in order to find available tools for monitoring and evaluating the mental health literacy of children and adolescents under the age of 19 years. Condition being studied: Mental health literacy is an essential part of mental illness prevention and early-identification. Number of tools exist to assess mental health literacy in the adult population. However, very few studies focus on tools that are aimed at assessing mental health literacy of children and adolescents, and evaluate quality of these tools.
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