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发明名称
METHOD AND DEVICE TO STABILISE THE PRODUCTION OF OIL WELLS
摘要
申请公布号
EP1322836(B1)
申请公布日期
2006.12.06
申请号
EP20010901071
申请日期
2001.01.24
申请人
PETROLEO BRASILEIRO S.A. - PETROBRAS
发明人
DE ALMEIDA, ALCINO RESENDE
分类号
E21B43/12
主分类号
E21B43/12
代理机构
代理人
主权项
地址
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