FIELD: mining industry.
SUBSTANCE: device has body in form of cylindrical bushing. Outside the body three blades are mounted symmetrically, with 120° spacing, relatively to central axis and being supports for device, providing for centering of drilling column. Blade is made of variable width with increase towards end portion, wherein rolling body in form of rubber ball is pressed.
EFFECT: higher efficiency, higher reliability, higher durability, lower costs.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DEVICE FOR STABILIZATION OF INCLINED WELL BORE IN DRILLING WITH DOWNHOLE MOTOR | 1992 |
|
RU2049903C1 |
| CORE TOOL | 0 |
|
SU1806258A3 |
| METHOD FOR WELL CONSTRUCTION | 1989 |
|
RU2021477C1 |
| DEVICE FOR CLEANING WELL BORE FROM MUD AND ELIMINATION OF DIFFERENTIAL WALL STICKING | 2010 |
|
RU2443848C1 |
| WELL DRILLING METHOD | 2014 |
|
RU2557029C1 |
| METHOD FOR DRILLING A SIDETRACK OF A WELL WITH UNSTABLE ROCKS | 2023 |
|
RU2798542C1 |
| TURBODRILL SPINDLE | 2001 |
|
RU2176015C1 |
| CONSTRUCTION METHOD OF WELL SHAFT THROUGH UNSTABLE CLAY MINE ROCKS | 2012 |
|
RU2474669C1 |
| WELL HYDRAULIC-ABRASIVE PERFORATOR | 2003 |
|
RU2254452C1 |
| HYDRAULIC CENTRALIZER | 1993 |
|
RU2039199C1 |
