公开(公告)号：US06338385B1

公开(公告)日：2002-01-15

申请号：US09548807

申请日：2000-04-14

Applicant: John Daniel Muchow

Inventor： John Daniel Muchow

IPC: E21B3414

CPC classification number: E21B23/03 ,  E21B34/06 ,  E21B34/066 ,  E21B43/12

Abstract: A downhole adjustable choke includes a choke body which is adapted to be lowered into a borehole. The choke body has a bore and an orifice connected to the bore. A sleeve is disposed inside the bore of the choke body. The sleeve has an orifice which is aligned with the orifice in the choke body. An actuator is coupled to move a flow plug inside the sleeve so that the flow area of the orifice in the sleeve is adjustable.

Abstract translation: 井下可调节扼流圈包括适于下降到钻孔中的扼流体。 扼流体具有连接到孔的孔和孔。 套筒设置在扼流体的孔内。 套筒具有与扼流体中的孔口对准的孔口。 致动器被联接以移动套筒内的流动塞，使得套筒中的孔的流动面积是可调节的。

公开(公告)号：US06003548A

公开(公告)日：1999-12-21

申请号：US121752

申请日：1998-07-23

Applicant: John Daniel Muchow

Inventor： John Daniel Muchow

IPC: F16L23/036 ,  F16L23/04 ,  F16L23/00

CPC classification number: F16L23/04 ,  Y10T137/87965

Abstract: A clamping assembly for connecting and disconnecting aligned hubs of a first and a second pressure vessel is provided. The clamping assembly includes a pair of clamp segments and at least one cam in operable engagement with the clamp segments. The clamp segments are movable between a closed position to engage the hubs and an open position to disengage from the hubs. The movement of the clamp segments from the closed position to the open position operates the cam to separate the hubs.

Abstract translation: 提供了用于连接和断开第一和第二压力容器的对准的毂的夹紧组件。 夹紧组件包括一对夹具段和至少一个与夹紧段可操作地接合的凸轮。 夹具段可在关闭位置之间移动以接合轮毂和打开位置以脱离轮毂。 夹紧段从关闭位置到打开位置的移动操作凸轮以分离毂。