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1. 发明申请

WO2012138383A3 DRILLING MOTOR VALVE AND METHOD OF USING SAME 审中-公开
标题翻译：钻孔电机阀及其使用方法
公开(公告)号：WO2012138383A3
公开(公告)日：2013-01-10
申请号：PCT/US2011059789
申请日：2011-11-08
申请人： NAT OIL WELL VARCO L P , LANNING CURTIS , PHUNG DONG , SCHEN AARON , RIDDEL JACOB
发明人： LANNING CURTIS , PHUNG DONG , SCHEN AARON , RIDDEL JACOB
IPC分类号： E21B4/02 , E21B6/02 , E21B21/10
CPC分类号： E21B6/02 , E21B4/02 , E21B4/06 , E21B4/14 , E21B7/24 , E21B21/103 , E21B34/06 , F01C1/107 , F04C2/1073 , F04C13/008 , F04C14/26 , F04C2240/603 , F04C2270/12
摘要： A valve (11) for controlling the flow of a drilling fluid through a down- hole tool (10) positionable in a wellbore penetrating a subterranean formation. The downhole tool has a housing with a drilling motor therein and a drill bit (1) at an end thereof. The drilling motor (9) has a housing with a rotor (206) rotationally movable in a rotor chan¬ nel (204) as the drilling fluid passes through a rotor channel be¬ tween the housing and the rotor. The rotor has a bypass channel therethrough for bypassing a portion of the drilling fluid therethrough. The valve includes a valve plate positionable upstream of the motor. The valve plate (200) has at least one flow passage (226) and at least one bypass passage (220) therethrough. The flow passage is in flu¬ id communication with the rotor channel for passing the drilling flu¬ id therethrough. The bypass passage is in selective fluid communica¬ tion with the bypass channel when the rotor rotates about the hous¬ ing and moves the bypass channel into alignment with at least a por¬ tion of the bypass passage for bypassing a portion of the drilling fluid therethrough whereby a hammering effect is generated on the bit.
摘要翻译：一种用于控制钻井流体通过钻孔工具（10）的流动的阀（11），井下工具（10）可定位在穿透地下地层的井眼中。井下工具具有其中具有钻孔电动机的壳体和在其一端的钻头（1）。当钻井液通过壳体和转子之间的转子通道时，钻井马达（9）具有壳体，该壳体具有可旋转地在转子通道（204）中移动的转子（206）。转子具有穿过其的旁路通道，用于绕过其中的钻井液的一部分。该阀包括可位于马达上游的阀板。阀板（200）具有至少一个流动通道（226）和至少一个旁通通道（220）。流道与转子通道流体连通，用于使钻井液通过。当转子围绕壳体旋转时，旁路通道与旁路通道选择性地流体通信，并且使旁通通道与旁路通道的至少一部分对准，以绕过钻井液的一部分通过从而在钻头上产生锤击效应。

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