FIELD: mining industry; applicable in elimination of showings of oil, gas and water. SUBSTANCE: plant has body with female thread having pitch equaling that of drill string and ball cock. Unit for fixing coaxially of plant to drill string is made in the form of cylindrical internal body with segment cutout. Cylindrical internal body with segment cutout has turning strip hinged to it. Turning strip has clamp, screw and spring-loaded retainer. Plant is equipped with strips located uniformly over circumference and rigidly secured to external surface of cylindrical internal body. Strips are provided with male thread conjugated with male thread of plant body. Unit for fixing of ball cock to plant body is installed with the help of hinge. EFFECT: higher efficiency of bringing-on at flows of high rate of oil, gas and water. 8 dwg
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Authors
Dates
2001-01-10—Published
1999-01-10—Filed