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发明名称
METHOD AND APPARATUS FOR MIXING AND/OR SHEARING A DRILLING FLUID
摘要
申请公布号
CA2463255(A1)
申请公布日期
2005.10.05
申请号
CA20042463255
申请日期
2004.04.05
申请人
OZ ENVIRONMENTAL SERVICES LTD.
发明人
DOSSELLMAN, BRAD;HALL, KEVIN
分类号
E21B21/06;(IPC1-7):E21B21/06
主分类号
E21B21/06
代理机构
代理人
主权项
地址
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