FIELD: mining.
SUBSTANCE: claimed method comprises the locking of rod with crown bit by mid element and the transfer of lengthwise forces thereto to opposite sides. Said force is created by application of the explosive charge blast energy. Said charge with fuse is located inside the bit via the rod flushing channel. Said bit is fitted with the rod in the reinforced sealed vessel.
EFFECT: higher efficiency of removal.
2 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| REMOVAL OF DRILL BIT FROM ROD | 2015 |
|
RU2568651C1 |
| REMOVAL OF DRILL BIT FROM ROD | 2015 |
|
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| REMOVAL OF DRILL BIT FROM ROD | 2015 |
|
RU2568631C1 |
| CROWN BIT REMOVAL FROM ROD | 2015 |
|
RU2568648C1 |
| METHOD FOR REMOVING DRILLING BIT FROM ROD | 2011 |
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| BORE BIT WITH HYDRODEFROSTATION | 2010 |
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| PROJECTILE FOR WELL DRILLING IN HIGHLY GASEOUS SEAMS | 2015 |
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RU2578216C1 |
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|
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| CROWN FOR WELL DRILLING IN EMISSION HAZARDOUS BEDS | 2011 |
|
RU2481460C1 |
