SMGU Hydromechanical scraper
The hydromechanical scraper is intended for casing string inner surface cleaning.
The scraper is used for thorough cleaning of casing string spaces before installing casing patch liners, packers, casing patch liner testers, for working out the perforation intervals, sections with mudded walls after cement bridge drilling out.
TS 3663-002-79560377-2009
| Name | SMGU-102R1 | SMGU-114R1 | SMGU-114-01R1 |
| Casing string nominal diameter | 4″/ 102 mm | 4 1/2″/ 114 mm | 4 1/2″/ 114 mm |
| Manometric pressure in scraper cavity, PSI (atm), max. | 882 (60) | ||
| Scraper length, L, max. | 16 9/16″/ 420 mm | 18 7/8″/ 480 mm | 18 7/8″/ 480 mm |
| Scraper full diameter in transit condition (housing diameter) | 3 1/8″/ 80 mm | 3 1/2″/ 89 mm | 3 1/2″/ 89 mm |
| Scraper maximal diameter in operational position, min. | 3 11/16″/ 94 mm | 4 1/8″/ 105 mm | 4 1/8″/ 105 mm |
| Coupling thread dimensions, mm as per API Spec 5B TBG | NUE-23/8″ | NUE-27/8″ | |
