Earth boring – well treating – and oil field chemistry – Well treating – Contains organic component
Patent
1992-07-09
1996-08-20
Geist, Gary
Earth boring, well treating, and oil field chemistry
Well treating
Contains organic component
507933, E21B 4300
Patent
active
055479260
ABSTRACT:
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 non miscible in water 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.
REFERENCES:
patent: 3773465 (1973-11-01), Keeney et al.
patent: 4661266 (1987-04-01), Kanda et al.
Dejeux Philippe
Feraud Jean-Pierre
Maroy Pierre
Perthuis Herve
Dowell, a division of Schlumberger Technology Corporation
Geist Gary
Vick, Jr. John E.
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