FIELD: mining.
SUBSTANCE: claimed method comprises the locking of rod with crown bit by mid element and the transfer of percussion load thereto from the anvil block. Percussion loads from anvil block are applied crown nit section located between its end and that of the drill rod. Note here that blows are delivered at alternating frequency.
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 |
|
RU2568631C1 |
| REMOVAL OF DRILL BIT FROM ROD | 2015 |
|
RU2568650C1 |
| DRILLING BIT REMOVING DEVICE | 2008 |
|
RU2384691C1 |
| METHOD FOR REMOVING DRILLING BIT FROM ROD | 2011 |
|
RU2479710C1 |
| REMOVAL OF DRILL BIT FROM ROD | 2015 |
|
RU2568649C1 |
| DETACHABLE JOINT OF DRILLING TOOL | 2011 |
|
RU2468180C1 |
| DEVICE FOR REMOVAL OF JACKBIT FROM ROD | 2008 |
|
RU2382868C1 |
| DEVICE FOR REMOVAL OF JACKBIT FROM ROD | 2008 |
|
RU2382869C1 |
| PROJECTILE FOR WELL DRILLING IN HIGHLY GASEOUS SEAMS | 2015 |
|
RU2578216C1 |
