Application of scleroglucan containing sludges to...

Details Application of scleroglucan containing sludges to... Application of scleroglucan containing sludges to...

C - Chemistry, Metallurgy

09

K

C09K 8/20 (2006.01) C09K 8/08 (2006.01)

Patent

CA 2043340

BREVET D'INVENTION APPLICATION DE BOUES CONTENANT DU SCLEROGLUCANE AU FORAGE DES PUITS A GROS DIAMETRE Invention de : Alain LADRET Alain DONCHE SOCIETE ANONYME DITE : SOCIETE NATIONALE ELF AQUITAINE ABREGE DESCRIPTIF On a trouvé que l'ajout de scléroglucane, en particulier de scléroglucane non raffiné, dans de l'eau utilisée comme fluide de forage pour le forage des puits nécessitant un fort débit permettait de limiter le lessivage des formations et améliorait l'élimination des déblais. Application aux forages de puits en gros diamètre.

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