FIELD: drilling wells for oil and gas. SUBSTANCE: vibration dampener has flexible member in form of units of carrying links successively arranged and secured to shaft and body and interacting with one another by means of filler. In this case, units of carrying links of flexible members secured to shaft are installed for axial motion relative to units of carrying links of flexible members secured to body. EFFECT: higher efficiency. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DOUBLE-ACTING DRILLING SHOCK-ABSORBER | 0 |
|
SU973785A1 |
| DRILLING SHOCK-ABSORBER | 0 |
|
SU842189A1 |
| DRILL STRING SHOCK-ABSORBER | 0 |
|
SU1006701A1 |
| SHOCK-ABSORBER | 1991 |
|
RU2031270C1 |
| DRILLING STRING OSCILLATION ABSORBER | 0 |
|
SU1073429A1 |
| SCREW DOWNHOLE MOTOR | 0 |
|
SU1808951A1 |
| DRILLING SHOCK-ABSORBER | 0 |
|
SU842188A1 |
| BOTTOMHOLE SHOCK ABSORBER | 1992 |
|
RU2088741C1 |
| 0 |
|
SU485211A1 | |
| BOTTOMHOLE BUMPER | 0 |
|
SU1828905A1 |
