C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 8/504 (2006.01) C09K 8/508 (2006.01) C09K 8/516 (2006.01)
Patent
CA 2760737
A composition for reducing lost circulation in a well, while drilling the well with a drilling mud, which is composed of a base fluid, a mixture of particles, and a blend of fibers. The composition is used by stopping drilling with the mud, injecting a spacer, injecting the water-based composition, injecting a spacer, and resuming drilling with the oil-based mud.
L'invention porte sur une composition pour la réduction de la perte de circulation dans un puits, lors du forage du puits avec une boue de forage, qui est composée d'un fluide de base, d'un mélange de particules et d'un mélange de fibres. La composition est utilisée par arrêt du forage avec la boue, injection d'un régleur d'écartement, injection de la composition à base d'eau, injection d'un régleur d'écartement et reprise du forage avec la boue à base d'huile.
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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