公开(公告)号：US10190585B2

公开(公告)日：2019-01-29

申请号：US15177107

申请日：2016-06-08

Applicant: BP Exploration Operating Company Limited

Inventor： Mark Joseph Denny

IPC: F03C2/00 ,  F03C4/00 ,  F04C2/00 ,  F04C18/00 ,  F04C14/24 ,  F04C18/48 ,  F04C18/16 ,  F04C28/10 ,  F04C2/16 ,  F04C11/00 ,  F04C13/00 ,  F04C14/26 ,  F04C18/08 ,  F04C28/26 ,  F04C15/06 ,  F04C23/00 ,  F04C28/24 ,  F04C29/12

Abstract: The invention provides a pump comprising a pump inlet, a pump outlet, at least two threaded rotors and a pressure controlled valve, the pressure controlled valve being capable of controlling re-circulation of fluid from the pump outlet to the pump inlet. The pressure controlled valve can be a control valve. The invention also provides a multiple stage pump assembly comprising at least two pumps arranged in series, wherein at least one of the pumps is the aforementioned pump.

公开(公告)号：US20170045048A1

公开(公告)日：2017-02-16

申请号：US15177107

申请日：2016-06-08

Applicant: BP Exploration Operating Company Limited

Inventor： Mark Joseph Denny

IPC: F04C14/24 ,  F04C11/00 ,  F04C28/24 ,  F04C18/16 ,  F04C23/00 ,  F04C29/12 ,  F04C2/16 ,  F04C15/06

CPC classification number: F04C14/24 ,  F04C2/16 ,  F04C11/001 ,  F04C13/008 ,  F04C14/26 ,  F04C15/064 ,  F04C18/08 ,  F04C18/16 ,  F04C18/48 ,  F04C23/001 ,  F04C28/10 ,  F04C28/24 ,  F04C28/26 ,  F04C29/124 ,  F04C2210/24 ,  F04C2240/70

Abstract: The invention provides a pump comprising a pump inlet, a pump outlet, at least two threaded rotors and a pressure controlled valve, the pressure controlled valve being capable of controlling re-circulation of fluid from the pump outlet to the pump inlet. The pressure controlled valve can be a control valve. The invention also provides a multiple stage pump assembly comprising at least two pumps arranged in series, wherein at least one of the pumps is the aforementioned pump.

Abstract translation: 本发明提供一种泵，其包括泵入口，泵出口，至少两个螺纹转子和压力控制阀，所述压力控制阀能够控制流体从泵出口到泵入口的再循环。 压力控制阀可以是一个控制阀。 本发明还提供一种多级泵组件，其包括串联布置的至少两个泵，其中至少一个泵是上述泵。