FIELD: well drilling; devices for installation of shaped shut-off devices in isolation of zones of complicated drilling. SUBSTANCE: shoe has body with central through channel. Channel accommodates seat with valve. Valve in body central channel is installed immovably and provided with retainer. Valve seat is telescopically connected with body by means of temporary destructable joint and has internal projection which is engagable with valve retainer when seat moves inside body for locking of shoe in working position. EFFECT: extended functional potentialities of shoe and higher quality of well strengthening with shaped shutoff devices. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SHOE FOR INSTALLATION OF SHAPED OVERLAPPING MECHANISM IN WELL | 2011 |
|
RU2469176C1 |
| SHOE FOR INSTALLATION OF SHAPING STRUTOFF DEVICE IN WELL | 2001 |
|
RU2208125C2 |
| SHOE FOR PLACEMENT OF PROFILE SHUTTER IN WELL | 2010 |
|
RU2421597C1 |
| INSTALLATION METHOD OF SHAPED OVERLAPPING MECHANISM IN WELL AND DEVICE FOR ITS IMPLEMENTATION | 2010 |
|
RU2435930C1 |
| SHOE VALVE FOR INSTALLATION OF SHAPED SHUTTER IN WELL | 2012 |
|
RU2498043C1 |
| SHOE FOR INSTALLATION OF SHAPED OVERLAPPING MECHANISM IN WELL | 2014 |
|
RU2553815C1 |
| FACILITY FOR PROBLEM ZONE CLOSING DURING WELL DRILLING | 2004 |
|
RU2270323C1 |
| EXPANDABLE PIPE SYSTEM WITH PRE-FLUSHING FOR ISOLATION OF ZONES OF COMPLICATIONS DURING DRILLING OF WELLS | 2020 |
|
RU2733546C1 |
| METHOD FOR INSTALLATION OF SHAPED SHUTTER IN WELL AND DEVICE FOR ITS IMPLEMENTATION | 2019 |
|
RU2719881C1 |
| SHOE FOR PROFILED SHUTTER INSTALLATION IN WELL | 2005 |
|
RU2293172C1 |
