C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/528 (2006.01) C09K 7/02 (1990.01)
Patent
CA 2070212
ABSTRACT OF THE DISCLOSURE The invention relates to iron control in an acid medium for forestalling the formation of precipitates known as "sludges" (asphaltic products) in contact with certain crude oils. Use is made of compounds comprising a mercaptan function, and, in combination, a selection of catalysts. Application to acid treatments for oil, gas, water, geothermal and analogous wells, as well as to industrial cleaning.
Dejeux Philippe
Feraud Jean Pierre
Perthuis Herve
Dowell Schlumberger Canada Inc.
Smart & Biggar
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