C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/035 (2006.01)
Patent
CA 2272999
A drilling fluid additive to reduce loss circulation includes comminuted rice fraction and corn cobs, and includes ground at least one of ground wood fiber, ground nut shells, ground paper and shredded cellophane. A method of treating a drilling fluid includes contacting such drilling fluid additive with the base drilling fluid to form well fluid. A method of operating a well includes circulation of such a well fluid into and out of a borehole.
L'invention concerne un additif de fluide de forage destiné à réduire la perte de circulation et comprenant des fragments de grains de riz et d'épis de maïs, ainsi qu'au moins un produit sélectionné parmi de la fibre de bois pulvérisée, des coques de noix moulues, du papier broyé et de la cellophane déchiquetée. Un procédé de traitement d'un fluide de forage consiste à mettre en contact un tel additif de fluide de forage avec le fluide de forage de base pour obtenir un fluide de forage selon l'invention. Un procédé de forage consiste à faire circuler un tel fluide de forage à l'intérieur et hors du trou de forage.
Bottom Line Industries Inc.
Kirby Eades Gale Baker
LandOfFree
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