FIELD: oil and gas industry.
SUBSTANCE: device contains a rod installed in a hollow body with longitudinal windows, a collet fitted so that its lobes are located in the longitudinal windows. The rod and the collet are supported in regard to the first spring housing. The collet is installed inside the body. The device is equipped with the second spring supporting the rod, the collet and the body in regard to borehole objects. Rigidity of the second spring is more than the same of the first spring.
EFFECT: improved reliability of the borehole object fixing at capture and better removal of the borehole objects stuck in the well.
2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DEVICE FOR LOWERING AND EXTRACTION OF DOWN-HOLE ARTICLES | 1997 |
|
RU2124111C1 |
| METHOD FOR MOUNTING AND FASTENING OBJECTS INSIDE WELLS AND DEVICE FOR FASTENING AND MOUNTING OBJECTS IN WELLS (VARIANTS) | 2004 |
|
RU2289673C2 |
| TUBING SPEAR | 2004 |
|
RU2331755C2 |
| TOOL REMOVAL DEVICE | 2006 |
|
RU2292440C1 |
| UNIVERSAL SUBSURFACE TOOL | 1996 |
|
RU2114978C1 |
| EXTRACTOR WITH SEPARABLE GRIPPERS | 1999 |
|
RU2174586C2 |
| CONNECTOR-DISCONNECTOR FOR WELL PACKER PLANT (VARIANTS) | 2004 |
|
RU2289012C2 |
| EQUIPMENT FOR DISCONNECTION AND RECONNECTION OF A STRING WITH PACKER | 0 |
|
SU1765361A1 |
| SUCKER-ROD PUMP WITH POSSIBILITY OF DIRECT FLUSHING (VERSIONS) | 2019 |
|
RU2715130C1 |
| GUIDE DEVICE | 2024 |
|
RU2822259C1 |
