| 发明名称 |
SPRING CENTRALISER WITH ITS HOLDER ON CASING |
| 摘要 |
FIELD: oil and gas production. ^ SUBSTANCE: spring centraliser consists of solid case with centralising ribs. Also, the centraliser additionally includes holders made with external thread and pipes with flared ends and internal thread interacting with external thread of the said holders. ^ EFFECT: raised reliability and efficiency of spring centraliser implementation. ^ 17 cl, 5 dwg |
| 申请公布号 |
RU2430234(C1) |
申请公布日期 |
2011.09.27 |
| 申请号 |
RU20100116864 |
申请日期 |
2010.04.29 |
| 申请人 |
OTKRYTOE AKTSIONERNOE OBSHCHESTVO "TJAZHPRESSMASH" |
发明人 |
VOLODIN ALEKSEJ MIKHAJLOVICH;SOROKIN VLADISLAV ALEKSEEVICH;KLINOV ANDREJ ALEKSANDROVICH;DEEV ALEKSANDR VIKTOROVICH;LARIONOV ANATOLIJ NIKOLAEVICH;VASIN ALEKSEJ NIKOLAEVICH;PETROV NIKOLAJ PAVLOVICH;ANDRIANOV OLEG NIKOLAEVICH |
| 分类号 |
E21B17/10 |
主分类号 |
E21B17/10 |
| 代理机构 |
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