E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/22 (2006.01) E21B 43/25 (2006.01)
Patent
CA 2569782
The present invention provides a method for the treatment of a subterranean formation which contains sand particles, said method comprising contacting said formation with a material capable of increasing the residual matrix strength of said particulate fine whereby to reduce or prevent their migration whilst minimising any decrease in their permeability. Preferred materials include organosilanes and enzyme systems.
La présente invention concerne un procédé de traitement d'une formation souterraine contenant des particules de sable. Le procédé consiste à mettre en contact la formation avec une matière capable d'augmenter la résistance matricielle résiduelle de ces particules fines pour réduire ainsi ou pour empêcher leur migration tout en réduisant au maximum toute diminution de leur perméabilité. Les matières préférées sont les organosilanes et les systèmes enzymatiques.
Haavind Frode
Kotlar Hans Kristian
Fetherstonhaugh & Co.
Statoil Asa
LandOfFree
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