C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/60 (2006.01) C09K 8/05 (2006.01) C09K 8/12 (2006.01) C09K 8/54 (2006.01) E21B 33/138 (2006.01)
Patent
CA 2521259
The present invention provides improved drilling fluids that comprise improved shale inhibiting components, and methods for using these drilling fluids in connection with drilling in a subterranean formation. The drilling fluids comprise water and an improved shale inhibiting component. Optionally, other additives may be added to the drilling fluids of the present invention, including, inter alia, antifoams, biocides, bridging agents, corrosion control agents, dispersants, flocculants, fluid loss additives, foamers, H2S scavengers, lubricants, oxygen scavengers, salts, scale inhibitors, viscosifiers, and weighting agents.
La présente invention concerne de boues de forage améliorées comprenant des composants d'inhibition améliorée d'argilité et des procédés d'utilisation de ces boues de forage dans une formation souterraine. Les boues de forage comprennent de l'eau et un composant d'inhibition améliorée d'argilité. Selon une autre variante, on peut ajouter d'autres additifs aux boues de forage de cette invention, y compris, entre autres, des antimousses, des biocides, des agents de pontage, des agents de lutte contre la corrosion, des dispersants, des floculants, des additifs de perte de fluide, des produits moussants, des fixateurs H¿2?S, des lubrifiants, des désoxygénants, des sels, des inhibiteurs d'entartrage, des améliorants d'indice de viscosité et des alourdissants.
Temple Colin
Youngson Arthur
Halliburton Energy Services Inc.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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