| 发明名称 |
GUIDE BELL OF DRILLING RESEARCH SHIP FOR FRILLING WITHOUT RISER |
| 摘要 |
FIELD: mining.SUBSTANCE: invention relates to drilling research ships intended for drilling without risers. Fabricated-structure drilling research ship consists of two symmetric halves secured at drilling shaft hatch sliding bonnets. Every half extends from ship bottom. Note here that said halves are extended and lifted in vertical guides mounted at hatch bonnets with the help of hydraulic drives.EFFECT: longer life of drilling pipes at boring deep-water wells.2 cl, 3 dwg |
| 申请公布号 |
RU2567586(C2) |
申请公布日期 |
2015.11.10 |
| 申请号 |
RU20140111636 |
申请日期 |
2014.03.27 |
| 申请人 |
ROSSIJSKAJA FEDERATSIJA, OT IMENI KOTOROJ VYSTUPAET GOSUDARSTVENNYJ ZAKAZCHIK (MINISTERSTVO PROMYSHLENNOSTI I TORGOVLI ROSSIJSKOJ FEDERATSII) |
发明人 |
BACHURIN ALEKSEJ ANDREEVICH;BOLOTIN GENNADIJ VASIL'EVICH;ZVEREVA LJUBOV' ALEKSANDROVICH;PASYNKOVA TAT'JANA ALEKSANDROVNA;PONOMAREV LEONID OLEGOVICH |
| 分类号 |
E21B7/12 |
主分类号 |
E21B7/12 |
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