COMPOSITION FOR INCREASING OIL RECOVERY
FIELD: oil producing industry; applicable for increasing oil recovery from formations by their waterflooding in primary and secondary stimulations of formations and in shutoff of water inflows to oil wells, and for regulation of filtration flows in oil formations. SUBSTANCE: composition for increasi...
Gespeichert in:
Hauptverfasser: | , , , , , , , , |
---|---|
Format: | Patent |
Sprache: | eng ; rus |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | FIELD: oil producing industry; applicable for increasing oil recovery from formations by their waterflooding in primary and secondary stimulations of formations and in shutoff of water inflows to oil wells, and for regulation of filtration flows in oil formations. SUBSTANCE: composition for increasing oil recovery containing aluminum chloride, carbamide, phosphoric acid and water, additionally has zinc chloride with the following ratio of components, mas. %: aluminum chloride, 10-15; zinc chloride, 10-15; carbamide, 35-55; phosphoric acid. 1.0-8.0; water, the balance. EFFECT: formation of strong gels, extended temperature range of application, reduced corrosion attack on oil field equipment. 2 tbl |
---|