G - Physics – 01 – N
Patent
G - Physics
01
N
150/17
G01N 31/02 (2006.01) G01N 21/64 (2006.01) G01N 33/24 (2006.01)
Patent
CA 1256361
A B S T R A C T MEASURING SULPHIDE SCAVENGER CONTENT OF DRILLING FLUID The concentration of unspent zinc-based hydrogen sulphide scavenger in an aqueous drilling fluid is determined by selectively extracting the unspent scavenger in a solvent, such as glacial acetic acid, and measuring the concentration of dissolved zinc, for example, with an X-ray fluorescence spectrograph.
479639
Ellington William E.
Fleming H. Creswell III
Matza Stephen D.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Shell Internationale Research Maatschappij B.v.
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