Drilling composition, process for its preparation, and...

C - Chemistry – Metallurgy – 09 – K

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C09K 8/32 (2006.01)

Patent

CA 2702872

The present invention relates to a drilling composition comprising: I) an organic phase comprising components: i. from about 20 wt.% to about 99.999 wt.%, based on the total weight of components i. and ii., of at least one linear or branched, cyclic or non-cyclic, saturated hydrocarbon; ii. from about 0.001 wt.% to about 25 wt.%, based on the total weight of components i. and ii., of at least one ester; II) from 0 to about 50 wt.%, based on the total weight of the composition, of water or aqueous phase; III) from 0 to about 60 wt.%, based on the total weight of the composition, of at least one additive, wherein the sum of the weight components I) to III) is 100 wt.%, to a process for preparation of a drilling composition, to uses of a drilling composition, to a drilling system, to a process for making a borehole, to a process for conveying cuttings, to a process for treating a drill head, to a process for production of at least one of oil and gas.

La présente invention porte sur une composition de forage comprenant I) une phase organique renfermant les composants suivants : i. environ 20 % en poids à environ 99,999 % en poids du poids total des composants i. et ii d'au moins un hydrocarbure saturé, cyclique ou non cyclique, linéaire ou ramifié ; ii. environ 0,001 % en poids à environ 25 % en poids du poids total des composants i. et ii. d'au moins un ester ; II) 0 à environ 50 % en poids du poids total de la composition d'eau ou de phase aqueuse ; III) 0 à environ 60 % en poids du poids total de la composition d'au moins un additif, la somme des quantités en poids des composants I) à III) étant de 100 % en poids, sur un procédé de préparation d'une composition de forage, sur des utilisations d'une composition de forage, sur un système de forage, sur un procédé de fabrication d'un trou de forage. L'invention porte également sur un procédé de transport de déblais de forage, sur un procédé de traitement d'une tête de forage, sur un procédé de production du pétrole ou du gaz ou des deux.

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