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
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