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发明名称
SISTEMA DE CONTROLE HIDRÁULICO DE FUNDO DE POÇO COM CARACTERÍSTICAS À PROVA DE FALHAS.
摘要
申请公布号
BRPI0717584(A2)
申请公布日期
2013.11.05
申请号
BR2007PI17584
申请日期
2007.09.14
申请人
BAKER HUGHES INCORPORATED
发明人
DARREN E. BANE;DAVID Z. ANDERSON;AARON T. JACKSON;BEALL CLIFF;RDWARD W. WELCH;ALAN N. WAGNER
分类号
E21B34/10
主分类号
E21B34/10
代理机构
代理人
主权项
地址
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