FIELD: drilling equipment.
SUBSTANCE: device has body, shaft placed in it having axial and radial supports, rotating tool including drive for transferring rotation by cog-wheel to shaft and to drilling column connected thereto, support for automatic elevator on swivel body and feeding tool. Drive is made in form of hydraulic engines. Shaft is connected to body by quick-detachable connection and is made with possible extraction from body during hoisting operations for placement of pipes block in body hollow. Feeding tool is made in form of chain wheels connected to hydraulic engines via displacing cog wheels, for displacing swivel along chains tensioned inside the rig.
EFFECT: higher effectiveness.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DEVICE FOR WELL DRILLING | 1992 |
|
RU2018617C1 |
| DRILLING RIG | 1995 |
|
RU2100565C1 |
| TOP-DRIVEN DRILLING DEVICE | 1995 |
|
RU2105861C1 |
| WELL DRILL RIG | 0 |
|
SU1723298A1 |
| TACKLE BLOCK | 2002 |
|
RU2232250C2 |
| DRILL PIPE ROTARY HEAD OF DRILLING RIGS | 1992 |
|
RU2018623C1 |
| AUTOMATIC MACHINE FOR LOWERING-LIFTING OPERATIONS DURING DRILLING | 0 |
|
SU629314A1 |
| HEAD DRILLING STRING DRIVE | 2004 |
|
RU2283415C2 |
| DEVICE FOR PIPES TRANSFER TO RIG ROD RECEIVER | 0 |
|
SU1740615A1 |
| APPARATUS FOR MOVING AND RETAINING THE ELEMENTS OF TACKLE SYSTEM FOR OFFSHORE FLOATING DRILLING RINGS | 0 |
|
SU968318A1 |
