E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/13 (2006.01) E21B 33/138 (2006.01)
Patent
CA 2245610
The present invention provides improved well drilling fluids containing epoxy sealants and methods of drilling well bores using the drilling fluids. The drilling fluids are basically comprised of a base fluid selected from the group of water and oil, a viscosity increasing material and a hardenable epoxy sealant composition which becomes part of the filter cake formed on the walls of the well bore and hardens therein whereby the filter cake is consolidated into a stable solid mass.
La présente invention porte sur des liquides améliorés de forage de puits contenant des produits de scellement époxydiques et des méthodes de forage de puits utilisant les liquides de forage. Les liquides de forage sont essentiellement constitués d'un liquide de base choisi dans le groupe de l'eau et du pétrole, d'un produit augmentant la viscosité et d'un composé de scellement époxidique durcissable qui s'intègre au gâteau de filtration formé sur les parois du puits de forage dans lequel il durcit, ce qui consolide le gâteau de filtration en une masse solide et stable.
Chatterji Jiten
Cromwell Roger S.
King Bobby J.
Onan David D.
Onan Patty L.
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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