Earth boring – well treating – and oil field chemistry – Earth boring – Contains organic component
Patent
1993-08-16
1996-07-02
Tucker, Philip
Earth boring, well treating, and oil field chemistry
Earth boring
Contains organic component
507138, 507139, 507140, C09K 702
Patent
active
055322115
ABSTRACT:
Aqueous drilling muds are disclosed which contain, as fluidifier agent, one or more complexes, which may be either pre-formed or produced in situ, selected from:
tetravalent zirconium and one or more organic acids, or their salts, having the general formula (I) ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different from each other, represent --H, --COOH, --CH.sub.3, --CH.sub.2 COOH, --CH(OH)COOH;
aluminum citrate.
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Burrafato Giovanni
Carminati Stefano
Agip S.p.A.
Eniricerche S.p.A.
Tucker Philip
LandOfFree
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