Well Completion Auxiliary Tool, JY Rotating Structure Casing Scraper
JY casing scraper is one of auxiliary tools in well completion, testing and downhole working. It is mainly used for cleaning cement, sand, residual bullets, rag, and other objects on casing inner surface, in order to keep casing inner surface cleaning and the drilling tools working normally. JY casing scraper can't be used in drilling operation.
It is one kind of new type casing scraper, not only as general fixed casing scraper, but also used as a rotating type structure casing scraper. If as a fixed casing scraper, as long as increase adjustable pad locates in upper sub to make it non-rotate, otherwise decrease adjustable pad. It will be used as a rotating casing scraper.
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Specification
| Scraping Range (mm) |
OAL (mm) |
ID (mm) |
Connection |
Casing Size (inch) |
| 95.25 |
960 |
16 |
2 3/8REG |
4 1/2 |
| 101.6-116 |
1051 |
19 |
2 3/8REG |
5 |
| 111-127 |
1067 |
19 |
2 7/8REG |
5 1/2 |
| 136.5～163.5 |
1160 |
31.8 |
NC38 |
7 |
| 188.9～227 |
1241 |
71.4 |
NC50 |
9 5/8 |
| 314.3～323 |
1251 |
71.4 |
6 5/8REG |
13 3/8 |
