发明名称 |
VALVES, BOTTOM HOLE ASSEMBLIES, AND METHODS OF SELECTIVELY ACTUATING A MOTOR |
摘要 |
<p>A system and methodology provide valves, bottom hole assemblies, and methods of selectively actuating a motor. One aspect provides a valve including: a barrel having an interior having a circular cross-section, an inlet port, an outlet port, and a by-pass port; a first disc rotatably received within the barrel; and a second disc rotatably received within the barrel and pressed against the first disc to selectively form a seal. The first disc and the second each have an orifice.</p> |
申请公布号 |
EP2475835(A2) |
申请公布日期 |
2012.07.18 |
申请号 |
EP20100754974 |
申请日期 |
2010.09.08 |
申请人 |
SCHLUMBERGER HOLDINGS LIMITED;PRAD RESEARCH AND DEVELOPMENT LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER TECHNOLOGY B.V. |
发明人 |
DOWNTON, GEOFFREY, C. |
分类号 |
E21B4/02;E21B34/06;E21B41/00;F16K11/074 |
主分类号 |
E21B4/02 |
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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