| 摘要 |
A method for blending a well treatment fluid at a well site, including (1) providing centrifugal pumps for pumping components of the well treatment fluid into a pipe, (2) providing valves for controlling the flow of the components of the well treatment fluid into the pipe, and (3) controlling the pumps and the valves so as to control the ratio of the components of the well treatment fluid being delivered to the pipe.
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