C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/508 (2006.01) C09K 8/04 (2006.01)
Patent
CA 2515058
The present invention generally relates to improved compositions comprising stabilized colloidal or colloidal-like phases (e.g., emulsions, aphrons) and methods of using those compositions. The compositions generally comprise an aqueous continuous phase, one or more viscosifiers, one or more surfactants, aphrons and one or more Aphron Stabilizers. The compositions of the present invention possess aphrons with significantly increased half-life and enhanced ability to seal permeable formations, and are capable of being used in high pressure applications.
La présente invention concerne, de manière générale, des compositions améliorées contenant des phases colloïdales ou de type colloïdales stabilisées (p. ex., émulsions, aphrons) ainsi que des procédés d'utilisation desdites compositions. Ces compositions contiennent généralement une phase aqueuse continue, un ou plusieurs agents améliorant la viscosité, un ou plusieurs tensioactifs, des aphrons et un ou plusieurs stabilisateurs d'aphrons. Les compositions de la présente invention possèdent des aphrons à demi-vie considérablement augmentée et à capacité d'étanchéisation de formations perméables améliorée. De plus, ces compositions peuvent être utilisées dans des applications haute pression.
Growcock Frederick B.
Simon Gerard A.
Masi Technologies L.l.c.
Ridout & Maybee Llp
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