AN INVERT EMULSION FLUID CONTAINING A HYGROSCOPIC LIQUID, A POLYMERIC SUSPENDING AGENT, AND LOW-DENSITY SOLIDS

AN INVERT EMULSION FLUID CONTAINING A HYGROSCOPIC LIQUID, A POLYMERIC SUSPENDING AGENT, AND LOW-DENSITY SOLIDS

An invert emulsion treatment fluid. The fluid comprises an external phase omprising a hydrocarbon liquid, an internal phase comprising a hygroscopic liquid, a suspending agent which is a polymer comprising urea linkages, and a particulate which has a density less than 3.5 g/cm 3 . A test fluid consi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MAGHRABI, SHADAAB S, WAGLE, VIKRANT B, KULKARNI, DHANASHREE G
Format: Patent
Sprache:eng ; fre ; ger
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:An invert emulsion treatment fluid. The fluid comprises an external phase omprising a hydrocarbon liquid, an internal phase comprising a hygroscopic liquid, a suspending agent which is a polymer comprising urea linkages, and a particulate which has a density less than 3.5 g/cm 3 . A test fluid consisting essentially of the external phase, the internal phase, the suspending agent, and the particulate, and in the same proportions as the treatment fluid, and after static aging for 2 months at a temperature of 200 °F (93.3 °C), has a 10 minute gel strength of at least 30 lb/100 ft 2 (1,436 Pa) at a temperature of 120 °F (48.9 °C).