Document Detail

A microfluidic vibrating wire viscometer for operation at high pressure and high temperature.
MedLine Citation:
PMID:  21456795     Owner:  NLM     Status:  In-Data-Review    
This article discusses a microfluidic vibrating wire viscometer with an internal volume of a few microliters. Accuracy of order ±10% for viscosities ranging from 0.1 to 100 cP is demonstrated for temperatures (10 °C-175 °C) and pressures (10-24 000 psi) suitable for oilfield use by prior calibration in air and toluene. Comparison between multiple data sets indicates that a large fraction of the discrepancy between literature values is systematic, indicating that future refinements may be possible with better interpretation. Confinement effects are evaluated and are not found to play a significant role, which is surprising since the ratio (6.6) of the fluid channel width to the wire diameter is very low.
Guillaume Dehestru; Marie Leman; Jacques Jundt; Phil Dryden; Matthew Sullivan; Christopher Harrison
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Review of scientific instruments     Volume:  82     ISSN:  1089-7623     ISO Abbreviation:  Rev Sci Instrum     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-04-04     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0405571     Medline TA:  Rev Sci Instrum     Country:  United States    
Other Details:
Languages:  eng     Pagination:  035113     Citation Subset:  IM    
Schlumberger-Doll Research, 1 Hampshire Street, Cambridge, Massachusetts 02139, USA.
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