| 发明名称 |
PROCESS FOR OBTAINING A CUMULATIVE JET PERFORATOR |
| 摘要 |
<p>The invention relates to a process for obtaining a cumulative jet perforator by: a) mixing an iron or steel powder with C, Cu and zinc stearate; b) mixture pressing; c) sintering the pressed mixture in endogas atmosphere; d) mixture repressing; e) product hardening; f) cooling.</p> |
| 申请公布号 |
RO121943(B1) |
申请公布日期 |
2008.08.29 |
| 申请号 |
RO20050000958 |
申请日期 |
2005.11.16 |
| 申请人 |
UNIVERSITATEA PETROL-GAZE DIN PLOIESTI;INTEC S.A.;ATLAS-GIP S.A. |
发明人 |
ULMANU VLAD;NEACSA ADRIAN;ZECHERU GHEORGHE;MINESCU MIHAIL;ZISOPOL DRAGO GABRIEL;BADOI ION;PILU GHEORGHE;MIHAILESCU FLORIN;DUMITRU NICOLAE;POP IOSIF FLAVIU;TATUC OCTAVIAN |
| 分类号 |
E21B43/117 |
主分类号 |
E21B43/117 |
| 代理机构 |
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