E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
253/10, 31/21, 2
E21B 21/06 (2006.01) C09K 8/035 (2006.01)
Patent
CA 1084251
ABSTRACT OF THE DISCLOSURE A method wherein spherical plastic beads are added to a drilling mud to reduce torque and drag on the drill string and to otherwise enable smooth drilling operations downhole by acting as a lubricant between the drill string, drill bit, and the well bore by reducing friction therebetween.
285986
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
Rayborn Jerry J.
LandOfFree
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