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    • 2. 发明申请
    • SYSTEMS FOR SELF-BALANCING CONTROL OF MIXING AND PUMPING
    • 用于混合和抽吸自平衡控制的系统
    • WO2008139171A3
    • 2010-01-28
    • PCT/GB2008001629
    • 2008-05-12
    • HALLIBURTON ENERGY SERV INCDYKSTRA JASON DCURTIS PHILIP ANTHONY
    • DYKSTRA JASON D
    • G05D11/13
    • G05D11/132
    • Systems for controlling the in-feed and discharge rates of materials flowing into and out of a mixing process where one priority is to achieve a target mixture flow rate from the mixing process and another priority can be to achieve a target value for a mixture property. Actuators (5Al, 5Bl ) can be operated to control material in-feed rates, the mixture composition, and discharge rate, and can maintain a hold-up of the mixture in the mixing process. A total flow rate controller provides a control signal to a controller acting on the discharge rate and a controller acting on the in- feed rates. The mixture discharge flow rate can be automatically reduced from its desired target when the commanded rate of at least one of the materials exceeds its available supply rate as inferred from an inability to maintain the targeted value for the mixture property.
    • 用于控制流入和流出混合过程的材料的进料和排出速率的系统,其中一个优先事项是从混合过程获得目标混合物流速和另一优先级可以是获得混合物性质的目标值。 可以操作致动器(5A1,5B1)以控制材料进料速率,混合物组成和排出速率,并且可以在混合过程中保持混合物的滞留。 总流量控制器向控制器提供控制信号,该控制器作用在排放速率上,控制器作用于进给速率。 当不能维持混合物性能的目标值时,当至少一种材料的指令速率超过其可用供应速率时,混合物排放流量可以从其期望的目标自动降低。
    • 3. 发明申请
    • SYSTEMS AND METHODS FOR MANAGING FLOW CONTROL VALVES IN PROCESS SYSTEMS
    • 用于在过程系统中管理流量控制阀的系统和方法
    • WO2008093049A3
    • 2009-11-05
    • PCT/GB2008000229
    • 2008-01-23
    • HALLIBURTON ENERGY SERV INCDYKSTRA JASON DCURTIS PHILIP ANTHONY
    • DYKSTRA JASON D
    • G05D7/06
    • G05D7/0623
    • Systems and methods for managing the operational condition of flow control valves in process systems. As a control valve experiences mechanical wear during operation, the physical changes to the valve can alter its dead band and flow coefficient. A non-linear dynamic model determines the present dead band by modeling the relationship between the actual flow through the valve and the commanded drive signal to the valve. The present valve flow coefficient can be determined by removing the dead band from the drive signal and using that modified signal in a flow rate model for the valve to adaptively find the flow coefficient value which matches the predicted flow from the flow rate model to the present measured flow from a flow rate sensor. The present dead band and flow coefficient can be used to update valve control algorithms and to make valve maintenance decisions.
    • 用于管理流程系统中流量控制阀操作状态的系统和方法。 由于控制阀在运行过程中经历机械磨损,因此阀门的物理变化可改变其死区和流动系数。 非线性动力学模型通过建模通过阀门的实际流量与到阀门的指令驱动信号之间的关系来确定当前死区。 目前的阀流量系数可以通过从驱动信号去除死区来确定,并且在阀的流量模型中使用该修正信号来自适应地找到与从流速模型到现在的预测流量相匹配的流量系数值 从流量传感器测量流量。 目前的死区和流量系数可用于更新阀门控制算法并进行阀门维护决策。
    • 4. 发明申请
    • PROCESS CONTROL ARCHITECTURE WITH HYDRODYNAMIC CORRECTION
    • 具有水动力校正的过程控制结构
    • WO2008044017A3
    • 2009-06-04
    • PCT/GB2007003847
    • 2007-10-10
    • HALLIBURTON ENERGY SERV INCCURTIS PHILIP ANTHONYMAZROOEE MEHDIDYKSTRA JASON D
    • MAZROOEE MEHDIDYKSTRA JASON D
    • G05D9/12B01F3/00
    • G05D9/12B28C7/0418
    • Methods and systems for controlling processes related to the amount of fluid in a container subjected to externally-excited motions. Fluid level sensor measurements in processing tanks on-board boats are confused by ocean waves and swells. A hydrodynamic model of a fluid in a tank can be constructed using non-linear dynamic model algorithms with inputs such as multi-axis accelerations, fluid viscosity, and apparent level measurements. The model can be used to filter-out boat motion disturbances to obtain a corrected level of the fluid in the tank. The corrected fluid level signal can be further processed using a dynamic model of the tank and associated input and output flow rates in a closed loop observer. The methods and systems are especially advantageous for offshore equipment such as cementing and fracturing ships.
    • 用于控制与经受外部激励运动的容器中的流体量有关的方法和系统。 处理坦克船上的液位传感器测量被海浪和波浪所困惑。 可以使用具有诸如多轴加速度,流体粘度和表观水平测量等输入的非线性动态模型算法来构建罐中流体的流体动力学模型。 该模型可用于过滤船运动干扰,以获得油箱中液体的校正水平。 可以使用罐的动态模型和闭环观测器中的相关联的输入和输出流速来进一步处理校正的液位信号。 该方法和系统对海上设备如固井和压裂船特别有利。
    • 6. 发明申请
    • SYSTEMS AND METHODS FOR VOLUMETRICALLY CONTROLLING A MIXING APPARATUS
    • 用于体积控制混合装置的系统和方法
    • WO2007077428A2
    • 2007-07-12
    • PCT/GB2006004944
    • 2006-12-29
    • HALLIBURTON ENERGY SERV INCCURTIS PHILIP ANTHONYDYKSTRA JASON DBORGSTADT JUSTIN A
    • DYKSTRA JASON DBORGSTADT JUSTIN A
    • G05D11/13
    • G05D11/132
    • Systems and methods are provided for controlling a volumetric ratio of a material to total materials in a mixing vessel In various embodiments, the systems may comprise: a volumetric ratio observer for estimating the volumetric ratio of the material to the total materials in the mixing vessel and an output flowrate of the material from the mixing vessel; a flow regulator coupled to the volumetric ratio observer for dynamically recomputing a commanded input flowrate of the material based on outputs of the volumetric ratio observer; and a flow modulator coupled to the flow regulator for adjusting an input valve of the material based on the commanded input flowrate of the material. In an embodiment, the mixing vessel comprises a first mixing vessel partially separated from a second mixing vessel. In this case, a height observer may be used to estimate a height of the total materials in the second mixing vessel.
    • 提供了用于控制混合容器中材料与总材料的体积比的系统和方法。在各种实施例中,系统可以包括:体积比观察器,用于估计材料与混合容器中的总材料的体积比, 来自混合容器的材料的输出流量; 耦合到体积比观察器的流量调节器,用于基于体积比观测器的输出来动态地重新计算材料的命令输入流量; 以及流量调节器,其耦合到所述流量调节器,用于基于所述材料的所述命令输入流量来调节所述材料的输入阀。 在一个实施例中,混合容器包括与第二混合容器部分分离的第一混合容器。 在这种情况下,可以使用高度观测器来估计第二混合容器中的总材料的高度。
    • 10. 发明申请
    • A DEVICE FOR DIRECTING THE FLOW OF A FLUID USING A CENTRIFUGAL SWITCH
    • 用于引导使用离心开关的流体流动的装置
    • WO2012151036A3
    • 2013-01-03
    • PCT/US2012033534
    • 2012-04-13
    • HALLIBURTON ENERGY SERV INCFRIPP MICHAEL LDYKSTRA JASON D
    • FRIPP MICHAEL LDYKSTRA JASON D
    • E21B43/12E21B34/08
    • F15D1/0015Y10T137/2087Y10T137/2093Y10T137/2098Y10T137/2104Y10T137/2109Y10T137/2229Y10T137/8593Y10T137/87265
    • According to an embodiment, a device for directing the flow of a fluid comprises: a fluid chamber; a first outlet; a second outlet; a first outlet fluid passageway, wherein the first outlet fluid passageway is operatively connected to the first outlet; and a second outlet fluid passageway, wherein the second outlet fluid passageway is operatively connected to the second outlet; wherein the fluid rotationally flows about the inside of the chamber, and wherein the fluid flowing through the first outlet fluid passageway conjoins with the fluid flowing through the second outlet fluid passageway at a point downstream of the first and second outlet. According to another embodiment, a device for directing the flow of a fluid comprises: a sensor; a first outlet connected to the sensor; a second outlet connected to the sensor; a first outlet fluid passageway; and a second outlet fluid passageway; wherein as the total number of phases of the fluid increases, the sensor directs at least a first phase of the fluid into the first outlet fluid passageway and directs at least a second phase of the fluid into the second outlet fluid passageway, and wherein the fluid flowing through the first outlet fluid passageway conjoins with the fluid flowing through the second outlet fluid passageway at a point downstream of the first and second outlet.
    • 根据实施例,用于引导流体流动的装置包括:流体室; 第一个出口 第二个出口 第一出口流体通道,其中第一出口流体通道可操作地连接到第一出口; 和第二出口流体通道,其中第二出口流体通道可操作地连接到第二出口; 其中所述流体围绕所述室的内部旋转流动,并且其中流过所述第一出口流体通道的流体与在所述第一和第二出口下游的点处流过所述第二出口流体通道的流体相结合。 根据另一个实施例,用于引导流体流动的装置包括:传感器; 连接到传感器的第一出口; 连接到传感器的第二出口; 第一出口流体通道; 和第二出口流体通道; 其中当所述流体的总相数增加时,所述传感器将所述流体的至少第一相引导到所述第一出口流体通道中并将所述流体的至少第二相引导到所述第二出口流体通道中,并且其中所述流体 流过第一出口流体通道与在第一和第二出口下游的点处流过第二出口流体通道的流体结合。