Boring or penetrating the earth – With heating or cooling drilling fluid
Reexamination Certificate
2003-12-17
2010-10-26
Wright, Giovanna C (Department: 3672)
Boring or penetrating the earth
With heating or cooling drilling fluid
C175S066000, C175S207000
Reexamination Certificate
active
07819205
ABSTRACT:
Method and apparatus for the cooling of drilling fluids (also referred to as mudcooler), includes use of two heat exchangers, wherein the drilling fluid (or warm drilling oil) is led through the first heat exchanger and is cooled by a mixture of glycol and water, while the glycol/water mixture is circulated in a closed circuit through a second heat exchanger, whereby the glycol/water mixture is cooled by seawater.
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Egbert Law Offices PLLC
Task Environmental Services BV.
Wright Giovanna C
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