Abstract
A reduced abrasion drilling fluid system and method of drilling a borehole by circulating the reduced abrasion drilling fluid through the borehole is disclosed. The reduced abrasion drilling fluid comprises a drilling fluid, a first additive and a weighting agent,
wherein the weighting agent has a particle size of at least 90% by volume less than 50 11 microns.
Original language | English |
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Patent number | CA2684264 |
Publication status | Published - 25 Sept 2012 |