FIELD: oil-and-gas industry.
SUBSTANCE: tool contains a cylindrical case with holes in the top part, located in the top and bottom rows, an inhibitor, located in the case under the holes. Holes are angle oriented, which provides formation fluid supply through bottom row of holes, and discharge - through the top row of holes. The top and bottom row of holes inclination angle assures their convergence inside the case. The inhibitor density is greater than formation fluid one.
EFFECT: inhibitor supply efficiency increase.
4 cl, 1 dwg
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Authors
Dates
2010-02-20—Published
2008-10-08—Filed