FIELD: oil and gas producing industry.
SUBSTANCE: invention relates to rigging facilities, particularly, to axial supports of spindle sections of downhole motors. Proposed multistep axial support consists of outer and inner rings, disks and step bearing with elastic members placed between end faces of disks. Elastic members of step bearing of each step of axial support are installed between end faces of disks for preliminary compression at end faces.
EFFECT: improved reliability and serviceability of multistep axial support owing to increased load-bearing capacity and uniform distribution of axial load between steps.
2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| MULTISTEP AXIAL SUPPORT | 2001 |
|
RU2235225C2 |
| DOWNHOLE MOTOR SPINDLE SUPPORT | 2009 |
|
RU2397379C1 |
| AXIAL SLIDE BEARING OF DOWNHOLE MOTOR | 2002 |
|
RU2201489C1 |
| SLIDING AXLE BEARING OF DOWNHOLE MOTOR | 1999 |
|
RU2172383C2 |
| DOWNHOLE MOTOR SPINDLE | 2012 |
|
RU2506397C1 |
| DOWNHOLE MOTOR BIT SHAFT | 2001 |
|
RU2192533C2 |
| SHOCK-ABSORBER TURBODRILL | 2000 |
|
RU2161235C1 |
| HYDRAULIC DOWNHOLE MOTOR WITH DIAMOND SLIDING SUPPORT | 2011 |
|
RU2481450C2 |
| SPINDLE OF FACE MOTOR | 1989 |
|
RU2011776C1 |
| MULTIROW AXIAL BEARING OF DOWNHOLE MOTOR VERTICAL SHAFT | 2002 |
|
RU2209289C1 |
