Drilling fluids containing microbubbles

Details Drilling fluids containing microbubbles Drilling fluids containing microbubbles

C - Chemistry, Metallurgy

09

K

C09K 8/04 (2006.01) C09K 8/03 (2006.01) C09K 8/34 (2006.01) E21B 21/00 (2006.01) E21B 21/14 (2006.01)

Patent

CA 2707128

A drilling fluid comprises water and microbubbles in an amount to achieve a density of the fluid in the range of 4-6 pounds per gallon; the desired density is achieved, and the novel drilling fluid exists, at pressures in the range of 350-5000 pounds per square inch.

L'invention concerne un fluide de forage contenant de l'eau et des microbulles dans une quantité permettant d'obtenir une densité fluidique comprise entre 4 et 6 livres par gallon (ppg). Une fois cette densité atteinte, le fluide de forage est soumis à une pression comprise entre 350 et 5000 livres par pouce carré.

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