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1. 发明申请

WO2020206268A1 CHOKE VALVE 审中-公开
公开(公告)号：WO2020206268A1
公开(公告)日：2020-10-08
申请号：PCT/US2020/026599
申请日：2020-04-03
申请人： EXPRO AMERICAS, LLC
发明人： PARTHASARATHY, Anand , CHARLES, Scott
IPC分类号： F16K1/38 , E21B21/08 , E21B21/10 , E21B34/02 , F16K1/54
摘要： A choke valve is provided having a body, a seat, and a gate. The body has an internal chamber, an inlet flow passage, and an outlet flow passage. The seat has a seat orifice with an area, the seat positioned at an end of the outlet flow passage contiguous with the internal chamber. The gate has a gate shaft and a gate body affixed to one end of the gate shaft. The gate is linearly translatable within the body between a fully open position and a fully closed position, wherein in the fully closed position the gate body is engaged with the seat orifice. In the fully open position a choke minimum passage area is defined between the gate body and the seat orifice, and the choke minimum passage area is at least 30% of the seat orifice area.

2. 发明申请

WO2019036561A1 SYSTEM FOR HYDRAULIC PRESSURE RELIEF VALVE OPERATION 审中-公开
公开(公告)号：WO2019036561A1
公开(公告)日：2019-02-21
申请号：PCT/US2018/046839
申请日：2018-08-17
申请人： EXPRO AMERICAS, LLC
发明人： PARTHASARATHY, Anand , CHARLES, Scott
IPC分类号： F15B13/02 , F15B13/04 , F15B20/00
摘要： A hydraulic power unit (HPU) configured for use with a pressure relief valve (PRV) having an open port and a close port is provided. The HPU includes a pneumatic primary pump, a hydraulic fluid reservoir, an accumulator, and a two position solenoid directional valve (TPSDV). The hydraulic fluid reservoir is in fluid communication with the primary pump. The TPSDV is in communication with the primary pump, the reservoir, the accumulator. The TPSDV is configured for fluid communication with the PRV. The HPU is configurable in a PRV fail open configuration and a PRV fail close configuration.

3. 发明申请

WO2018201136A1 PROPORTIONAL CONTROL VALVE SYSTEM AND METHOD 审中-公开
公开(公告)号：WO2018201136A1
公开(公告)日：2018-11-01
申请号：PCT/US2018/030196
申请日：2018-04-30
申请人： EXPRO AMERICAS, LLC
发明人： PARTHASARATHY, Anand , CHARLES, Scott
IPC分类号： F16K31/05 , F16K31/50 , F16K31/04 , F16K37/00 , F16K31/16
摘要： A proportional control valve system (10) and a method for operating the same is provided. The system includes a proportional control valve (PCV) (12), an electric motor (14), a worm gear drive (20), and a programmable drive (16). The proportional control valve has a sealing structure (22) that is positionable in a closed position, a fully open position, and a plurality of partially open positions there between. The worm gear drive is in driving communication with the sealing structure of the proportional control valve. The programmable drive is operable to control the positioning of the sealing structure within the proportional control valve.

4. 发明申请

WO2020140000A1 WELL ANNULAR BACK PRESSURE CONTROL SYSTEM HAVING ONE OR MORE ADJUSTABLE CHOKE VALVES AND METHOD THEREOF 审中-公开
公开(公告)号：WO2020140000A1
公开(公告)日：2020-07-02
申请号：PCT/US2019/068668
申请日：2019-12-27
申请人： EXPRO AMERICAS, LLC
发明人： PARTHASARATHY, Anand , CHARLES, Scott
IPC分类号： E21B21/10 , E21B43/16 , E21B34/02
摘要： A well drilling system is provided that includes a choke manifold and a controller. The choke manifold includes at least one choke valve. The choke valve is actuable between fully open and closed choke positions. The choke valve has a Cv value for each choke position. The controller is in communication with the choke valve and a non-transitory memory storing instructions. The instructions relate Cv values to choke positions for the choke valve. The instructions when executed cause the controller to: a) determine a difference in pressure (?P); b) input or determine a density value; c) input or determine a Q value; d) determine a first Cv value using the delta P, the density value, and the Q value; and e) actuate the choke valve to a first choke position associated with the first Cv value.

5. 发明申请

WO2018053290A1 INTEGRATED CONTROL SYSTEM FOR A WELL DRILLING PLATFORM 审中-公开
标题翻译：钻井平台集成控制系统
公开(公告)号：WO2018053290A1
公开(公告)日：2018-03-22
申请号：PCT/US2017/051818
申请日：2017-09-15
申请人： EXPRO AMERICAS, LLC
发明人： PARTHASARATHY, Anand , TODD, Richard J. , CHARLES, Scott
IPC分类号： E21B21/08
摘要： An integrated control system (ICS) for a well drilling platform is provided, which well drilling platform has a plurality of control systems and devices. The ICS includes an ICS controller is in communication with a master control. The ICS controller includes a memory device coupled to a processor. Instructions executed by the processor cause the ICS controller to: communicate with each of the control systems to determine a status of each of the control systems; cause the master control display to display status information for at least one of the control systems; in response to an operator input perform a well drilling platform function, the function requiring a coordinated state between a first control system and at least a second control system, configure the first control system and the second control system into a coordinated state.
摘要翻译：提供了一种用于钻井平台的集成控制系统（ICS），该钻井平台具有多个控制系统和设备。 ICS包括与主控制器通信的ICS控制器。 ICS控制器包括耦合到处理器的存储器设备。由处理器执行的指令使得ICS控制器：与每个控制系统通信以确定每个控制系统的状态; 使主控制显示器显示至少一个控制系统的状态信息; 响应于操作者输入执行钻井平台功能，需要第一控制系统和至少第二控制系统之间的协调状态的功能，将第一控制系统和第二控制系统配置为协调状态。

6. 发明申请

WO2020163604A1 MULTIPLE SEAT TRIM CHOKE VALVE 审中-公开
公开(公告)号：WO2020163604A1
公开(公告)日：2020-08-13
申请号：PCT/US2020/017024
申请日：2020-02-06
申请人： EXPRO AMERICAS, LLC
发明人： PARTHASARATHY, Anand , CHARLES, Scott
IPC分类号： E21B34/02 , F16K3/02 , F16K3/04 , F16K3/08 , F16K3/24
摘要： A choke valve is provided that includes a valve body, a plurality of seats, and a gate. The valve body has an inlet port and an outlet port. The plurality of seats is in communication with the valve body, where each seat has a fluid flow configuration, and the fluid flow configuration for each seat is different from the fluid flow configuration of each of the other seats within the plurality of seats. The gate is linearly translatable along a gate axis. The valve body is configured so that so that one of the plurality of seats at a time is selectively positionable in an engagement position aligned with the gate axis.

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