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 developed by feeding the electric pulse discharge through the fluid filling the cavities of drill bit and rod. Note here that electric discharge is fed through the water after placing of the drill bit with 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 |
|
RU2568650C1 |
| REMOVAL OF DRILL BIT FROM ROD | 2015 |
|
RU2568649C1 |
| 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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RU2479710C1 |
| DRILLING BIT REMOVING DEVICE | 2008 |
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| DIAMOND DRILLING BIT AND PRODUCTION METHOD | 2005 |
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RU2298078C1 |
| BORE BIT FOR DRILLING OF WELLS IN HIGH-GAS-BEARING BEDS | 2014 |
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| PROJECTILE FOR WELL DRILLING IN HIGHLY GASEOUS SEAMS | 2015 |
|
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| BORE BIT WITH HYDRODEFROSTATION | 2010 |
|
RU2442875C1 |
