Method for determining stability of profile control and flooding microsphere aqueous solution
A measurement method and a technique for adjusting and driving microspheres, which are applied to the analysis of materials, instruments, etc., can solve the problems of low reliability of the method and large differences in the results of adjusting and driving microspheres, and achieve the effect of simple and reliable methods and strong operability
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[0022] Example 1
[0023] (1) In the water sample of 200,000 mg / L, the transfer microsphere I is added to the water sample, stir well, and the target liquid is obtained. The concentration of the rotation microsphere I in the target liquid is 0.5%, and the turbidity N0 is 686; The liquid was added to the centrifuge tube, centrifuged, centrifugal rotary speed was 2000 rpm, centrifugal time was 1 min, centrifugal temperature was 60 ° C, and the centrifugation was measured after 604, and the rotation microsphere I stability index S was 0.880;
[0024] (2) Add the transfer microspheres II to a water sample of 20000 mg / L, stir well, prepare the target fluid, and the concentration of the tread microsphere I is 0.5%, and the turbidity N0 is 688; The liquid was added to the centrifuge tube, centrifuged, centrifugal rotary speed was 2000 rpm, centrifugal time was 1 min, centrifugal temperature was 60 ° C, and the centrifugal was measured by 686, and the turbidity N1 is 686, and the rect...
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