Well configuration and method of increasing production from a hydrocarbon well
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United States of America Patent
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Dec 27, 2005
Grant Date -
Feb 26, 2004
app pub date -
May 1, 2003
filing date -
Aug 23, 2002
priority date (Note) -
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Abstract
A well configuration and method of increasing production from a hydrocarbon well having pre-existing production tube. A composite velocity string having an outer diameter smaller than the inner diameter of the production tube is installed in the production tube so that an annular gap is formed between the outer surface of the velocity string and the inner surface of the production tube. Production from the well is increased because the coefficient of fluid flow friction through the composite velocity string, and the amount of heat loss through the composite velocity string, are reduced compared to a steel velocity string. Installation efficiency is also increased because the composite velocity string is much lighter than a steel velocity string.
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