发明名称 |
Drilling fluid pump systems and methods |
摘要 |
A system for pumping fluid (e.g., but not limited to, drilling fluid), the system having pump apparatus; including a plurality of removable pump modules; and, in certain aspects, removable valve cartridges for such modules. |
申请公布号 |
US8061445(B2) |
申请公布日期 |
2011.11.22 |
申请号 |
US20080228524 |
申请日期 |
2008.08.13 |
申请人 |
YATER RONALD WILLIAM;SEYFFERT KENNETH WAYNE;TATE, JR. MAURICE;NATIONAL OILWELL VARCO L.P. |
发明人 |
YATER RONALD WILLIAM;SEYFFERT KENNETH WAYNE;TATE, JR. MAURICE |
分类号 |
E21B44/00 |
主分类号 |
E21B44/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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