Glycol based drilling fluid

Details Glycol based drilling fluid Glycol based drilling fluid

C - Chemistry, Metallurgy

09

K

C09K 8/34 (2006.01) C09K 8/06 (2006.01) C09K 8/22 (2006.01)

Patent

CA 2231378

This invention relates to an improved glycol based aqueous drilling fluid. The drilling fluid of this invention has demonstrated utility in controlling and/or reducing swelling of clay formations in the drillig of subterranean wells.

L'invention concerne un fluide de forage amélioré, de type aqueux à base de glycol. On a mis en évidence l'utilité de ce fluide dans la régulation et/ou la réduction du gonflement des formations argileuses pendant le forage des puits souterrains.

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