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A new approach in pressure transient analysis part I: improved diagnosis of flow regimes in oil and gas wells

Victor Torkiowei Biu, Shi Yi Zheng
2016 International Journal of Petroleum Engineering  
The method utilise the second differencing of pressure change and time that are stationary; then integrate the residual pressure differences using simple statistical tools such as sum of square error SSE  ...  Results from three scenarios investigated demonstrated that the statistical derivatives yielded much clearer reservoir radial flow regimes as the conventional pressure derivatives without data smoothing  ...  and sum of square difference of this data to generate the statistical models such as StatDiv, StatSSE, StatDev, StatExp, StattDev and StatdDev which is then used as diagnostic tools to help identify possible  ... 
doi:10.1504/ijpe.2016.078058 fatcat:b2larrnornd6zhuhpclobd5why

Perspectives on West Africa Ebola Virus Disease Outbreak, 2013–2016

Jessica R. Spengler, Elizabeth D. Ervin, Jonathan S. Towner, Pierre E. Rollin, Stuart T. Nichol
2016 Emerging Infectious Diseases  
Continued efforts during the outbreak and in preparation for future outbreak response should involve identifying the reservoir, improving in-country detection and response capacity, conducting survivor  ...  lacking experience with Ebola response; inadequate surveillance, recognition of suspected cases, and Ebola diagnosis; mobile populations and extensive urban transmission; and the community's insufficient general  ...  During the EVD outbreak in West Africa, she assisted response efforts by providing laboratory support domestically and by serving in the Emergency Operations Center as a subject-matter expert for the Laboratory  ... 
doi:10.3201/eid2206.160021 pmid:27070842 pmcid:PMC4880067 fatcat:t4wgfa2afzbtnoieoda5lg7wpq

Hydrogen giving reduced carbon emissions from vehicles

S. Perham
2012 International Journal of Low-Carbon Technologies  
This paper considers how hydrogen can be combined with two other technologies; online vehicle monitoring and computer maps to give significant reduction in carbon emissions from combustion engines, especially  ...  A typical HHO generator system consists of a water-based electrolyte reservoir, one or more electrolyser cells connected to or mounted inside the reservoir and a gas pipe from the top of the reservoir  ...  The first is online monitoring of vehicle and driver performance through sensors attached to the CANbus which controls all aspects of the subsystems' operations, including engine, acceleration, braking  ... 
doi:10.1093/ijlct/ctr036 fatcat:g5khzg3gtvcbbf2nxtk26sa7p4

Monitoring and Modelling of Water Quality [chapter]

Katarzyna Samborska, Rafal Ulanczyk, Katarzyna Korszu
2012 Water Quality Monitoring and Assessment  
The latter one is embraced by diagnostic, operational and research monitoring.  ...  In case of surface water monitoring, there are ten types of sampling/monitoring points: diagnostic (MD), operational (MO), operational for water vulnerable to nitrates pollution (MORO), operational for  ...  concerning the physicochemical characteristics of surface and groundwaters and possible pollution sources as well as methods and tools for the evaluation of water quality status.  ... 
doi:10.5772/36009 fatcat:gk5sykunpjcstpgqtgkwl7clua

Preface [chapter]

2021 Unconventional Reservoir Rate-Transient Analysis  
These parameters can be used for multiple purposes including the generation of a well's production forecast, which in turn can be used for reserves estimation and capital planning, and optimization of  ...  Homogeneous reservoir properties 9.  ...  This workflow will be demonstrated for long-term (online) production data of unconventional reservoirs.  ... 
doi:10.1016/b978-0-323-90116-1.09996-7 fatcat:bousk2lkyjhpzj6szcguuqlhca

An updated roadmap for MERS-CoV research and product development: focus on diagnostics

Cassandra Kelly-Cirino, Laura T Mazzola, Arlene Chua, Christopher J Oxenford, Maria D Van Kerkhove
2019 BMJ Global Health  
(camels), and summarised the performance of currently available tests, diagnostic needs, and associated challenges for diagnostic test development and implementation.  ...  A defined set of Target Product Profiles for diagnostic technologies will be developed by WHO to address these gaps in MERS-CoV outbreak management.  ...  Table 1 presents an overview of the implementation requirements for MERS-CoV diagnostics (detailed commercial product information is presented in online supplementary tables S1 and S2).  ... 
doi:10.1136/bmjgh-2018-001105 pmid:30815285 pmcid:PMC6361340 fatcat:kdy3m3qpwzconmzhlrc6pbl5ta

Condition monitoring and early diagnostics methodologies for hydropower plants [article]

Alessandro Betti, Gianluca Paolinelli i-EM S.r.l., Department of Energy, Systems, Territory and Constructions Engineering, University of Pisa
2019 arXiv   pre-print
Hydropower plants are one of the most convenient option for power generation, as they generate energy exploiting a renewable source, they have relatively low operating and maintenance costs, and they may  ...  be used to provide ancillary services, exploiting the large reservoirs of available water.  ...  , early diagnostics and predictive maintenance methodologies and tools are becoming some of the most interesting areas of research in the power community.  ... 
arXiv:1911.06242v1 fatcat:7bhoszj4sbg2plniztdwmnrakm

Online simplification of water distribution network models for optimal scheduling

Daniel Paluszczyszyn, Piotr Skworcow, Bogumil Ulanicki
2013 Journal of Hydroinformatics  
This makes difficult the utilisation of this technique for the online optimisation purposes.  ...  The advantage of the online model reduction is adaptation to abnormal situations and structural changes in a network.  ...  Visual Studio 2010 comes with integrated support for .NET 4.0 Framework, which enhanced the parallel programming by providing a new runtime, new class library types, and new diagnostic tools.  ... 
doi:10.2166/hydro.2013.029 fatcat:bghxngtiqndf5pukd65ldxmwse

Assessing Safety Prognostic Technology for Complex Petroleum Engineering Projects

Kashif Abbas, SUIT Peshawar, Pakistan, Wiqas Alam, SUIT Peshawar, Pakistan
2021 International Journal of Engineering Works  
The snowball technique followed by thematic analysis data analysis technique was applied for the generation of primary findings.  ...  Flow diagnostics, in this respect, are computational tools that are derived from controlled numerical flow experiments which obtain quantitative information regarding the flow behaviour of a reservoir  ...  For the enhanced safety provided by automobile, General Motors (GM) are serving their customers with a data-driven prognostics and diagnostics.  ... 
doi:10.34259/ijew.21.808226231 fatcat:egrdvsqxizb5zcpjopcfxd6wge

Impaired left atrial strain predicts abnormal exercise haemodynamics in heart failure with preserved ejection fraction

Fernando Telles, Shane Nanayakkara, Shona Evans, Hitesh C. Patel, Justin A. Mariani, Donna Vizi, Jeremy William, Thomas H. Marwick, David M. Kaye
2019 European Journal of Heart Failure  
online supplementary Table S7 Diagnostic capacity of left atrial strain in heart failure with preserved ejection fraction In receiver operating characteristic curve analyses, LA strain was able to classify  ...  Furthermore, we determined the potential additive utility of LA mechanical assessment as a diagnostic tool in patients with suspected HFpEF.  ...  Supplementary Information Additional supporting information may be found online in the Supporting Information section at the end of the article. Table S1 .  ... 
doi:10.1002/ejhf.1399 pmid:30652393 fatcat:gob75lx7tbbg7ckr7rch2yllxy

Practices in research, surveillance and control of neglected tropical diseases by One Health approaches: A survey targeting scientists from French-speaking countries

Sophie Molia, Juliette Saillard, Koussai Dellagi, Florence Cliquet, Jean-Mathieu Bart, Brice Rotureau, Patrick Giraudoux, Jean Jannin, Patrice Debré, Philippe Solano
2021 PLoS Neglected Tropical Diseases  
Improved research coordination by NTD networks, production of combined human-animal health NTD impact indicators, and transversal research projects on diagnostic and reservoirs were also considered essential  ...  Silos between disciplines and health sectors were still strong at both scientific and operational levels.  ...  Acknowledgments We thank all the participants to the online survey and workshop, as well as MUSE (University of Montpellier), CIRAD, INSERM and IRD for having supported the workshop organization in Marseille  ... 
doi:10.1371/journal.pntd.0009246 pmid:33661894 pmcid:PMC7963066 fatcat:oktu3j7jbfay3byt2xffvyox4q

Page 13 of SPE Production & Operations Vol. 19, Issue 1 [page]

2004 SPE Production & Operations  
Although it is not possible to go away without making use of traditional tools, such as reservoir, wellbore, and pipeline simulators, we shall show how key parameters measured at the wellhead and fluid  ...  In particular, we describe the integrated use of online MFM, ad hoc measurements at the wellhead, and AI for a critical approach to well monitoring and diagnosis.  ... 

Asymptomatic Malaria and its Challenges in the Malaria Elimination Program in Iran: a Systematic Review

Gholmreza Hassanpour, Mehdi Mohebali, Hojjat Zeraati, Ahmad Raeisi, Hossein Keshavarz
2017 Journal of Arthropod-Borne Diseases  
interventions to reduce the asymptomatic parasitic reservoirs particularly in regions of low transmission.  ...  The results all re-emphasize the significance of asymptomatic malaria in the elimination phase, and emphasize the significance of diagnostic tests of higher sensitivity to locate these patients and perform  ...  Molecular diagnostic tests have shown that even in low endemic regions, asympto-matic malaria reservoirs are more than they were believed to be.  ... 
pmid:29062842 pmcid:PMC5641606 fatcat:p2gxbuksufecragwofhrug5zky

New Products

2014 Science  
VIAFLO multichannel reagent reservoirs are both economically and environmentally friendly because users can reuse the reservoir base and dispose of the reservoir inserts.  ...  Additionally, the user-friendly setup and operation of the microscope saves effort and delivers accurate results very quickly and conveniently.  ... 
doi:10.1126/science.344.6190.1415-a fatcat:x3ttvlmc4nfo7jyi34an4m5ina

Digital Microfluidic Platform for the Detection of Rubella Infection and Immunity: A Proof of Concept

A. H. C. Ng, M. Lee, K. Choi, A. T. Fischer, J. M. Robinson, A. R. Wheeler
2014 Clinical Chemistry  
As a step toward decentralized diagnostic systems, we developed a proof-of-concept digital microfluidic (DMF) diagnostic platform that possesses the flexibility and performance of automated immunoassay  ...  Testing of performance panel samples yielded diagnostic sensitivity and specificity of 100% and 100% for both RV IgG and RV IgM.  ...  We propose that this represents a useful step toward the development of decentralized diagnostic tools for the diagnosis of rubella and other infectious diseases.  ... 
doi:10.1373/clinchem.2014.232181 pmid:25512641 fatcat:xfsyanojzfe4jcw756o75wwbo4
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