Hedta based chelants used with divalent brines, wellbore fluids including the same and methods of use thereof

Hedta based chelants used with divalent brines, wellbore fluids including the same and methods of use thereof

Methods of breaking a filter cake in a wellbore may include circulating a breaker fluid into the wellbore, the breaker fluid having a (2-hydroxyethyl)ethylenediaminetriacetic acid (HEDTA) chelant, where the HEDTA chelant is used with divalent brine in the breaker fluid or in the filter cake.

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Balkrishna Gadiyar, Raymond Ravitz, Juan-Carlos Santamaria, Clotaire-Marie Eyaa Allogo
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:Methods of breaking a filter cake in a wellbore may include circulating a breaker fluid into the wellbore, the breaker fluid having a (2-hydroxyethyl)ethylenediaminetriacetic acid (HEDTA) chelant, where the HEDTA chelant is used with divalent brine in the breaker fluid or in the filter cake.