FIELD: mining.
SUBSTANCE: deflection method of expandable unit with a rounded head contains introduction of a unit with rounded head in the main wellbore, at that the unit, having a rounded head contains a body and a tip with a rounded head, located at the far end of the housing and designed with ability to move between a standard configuration, wherein the tip with a rounded head has the first diameter, and actuated by the configuration, in which the tip with a rounded head, has the second diameter different from the first diameter, the unit moving with a rounded head to the deflecting device, located within a main wellbore and defining the first channel, having a predetermined diameter and connecting with the lower part of the main wellbore and the second channel, connecting with the side bore, and the direction of rounded head unit to the lower part of the main wellbore or the side bore on the basis of the tip diameter with rounded head in comparison with predetermined diameter.
EFFECT: faultless direction of the rounded head unit to the main wellbore or the side wellbore.
20 cl, 14 dwg
| Title |
Year |
Author |
Number |
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|
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|
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