Self-feedback three-phase-system well drilling liquid mixing system and method for mixing well drilling liquid
A three-phase system and hybrid system technology, applied in wellbore/well components, earthwork drilling, flushing wellbore, etc., can solve the problems of affecting mixing efficiency, small safety margin, well killing failure, etc. The effect of shearing contact area, reducing momentum loss, and protecting work safety
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[0028] Such as figure 1 As shown, the self-feedback three-phase drilling fluid mixing system includes: a mixer 6, a sea tank 1a, a base slurry tank 1b, and an additive tank 1c; the sea tank 1a is connected to the mixer 6 through a first pipeline, and the base slurry tank 1b It is connected to the mixer 6 through the second pipeline, and the additive tank 1c is connected to the mixer 6 through the third pipeline; among them, the sea water pool 1a contains seawater to provide seawater raw materials for the first pipeline; the base slurry pool 1b contains the base The slurry tank is used to provide base slurry raw materials for the second pipeline and destroy the network structure of the high-viscosity fluid; the additive tank 1c contains additives and is used to provide additive raw materials for the third pipeline; sea water, base slurry, and additives enter the mixing After mixing, the device 6 enters the mud pool or the mud pump manifold through the density self-feedback module...
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