B - Operations – Transporting – 01 – F
Patent
B - Operations, Transporting
01
F
209/47, 259/43.5
B01F 5/10 (2006.01) B01F 5/02 (2006.01) E21B 21/06 (2006.01)
Patent
CA 1163263
Abstract A generally cylindrical mixing tank for oil well drilling mud circulates the mud passing out of a set of urethane nozzles about an elliptical path in the tank, which is coated internally with urethane thereby to provide a long lasting mixer in the presence of the abrasive drill- ing mud. New ingredients are entered into the tank directly from bags as they are passed over a cutter knife and across an entry grillwork platform. Water may be added for proper viscosity. The nozzles, by aid of a circulating pump taking mud from the tank, cause the mud to flow in a generally rotary path inside the tank and a set of knives is placed in this path to slice up any lumps or chunks of mud that may form.
361464
Meredith & Finlayson
Miner Robert M.
LandOfFree
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