Well velocity logging
    3.
    发明授权
    Well velocity logging 失效
    井速测井

    公开(公告)号:US5178006A

    公开(公告)日:1993-01-12

    申请号:US807346

    申请日:1991-12-16

    IPC分类号: E21B47/10

    CPC分类号: E21B47/10

    摘要: A device having a large fluid drag tendency is lowered into a well at a rate which gives no net drag against the fluid. The condition of no net drag is indicated by the tension in a line used to lower the tool into the well. When the spool-off rate is such that this tension force is equal to or slightly exceeds the weight of the tool plus the weight of the line in the borehole the tool is moving at a speed equal to the average flow velocity in the well. This velocity may be determined by measurement of the spool-off rate.

    摘要翻译: 具有大的流体阻力倾向的装置以不会对流体产生净阻力的速率降低到井中。 没有净阻力的条件由用于将工具降低到井中的线中的张力表示。 当排出速率使得该张力等于或稍微超过工具的重量加上钻孔中的线的重量时,工具以等于井中的平均流速的速度移动。 该速度可以通过测量脱扣速率来确定。

    Method and apparatus for measuring steam profiles in steam injection
wells
    4.
    发明授权
    Method and apparatus for measuring steam profiles in steam injection wells 失效
    蒸汽注入井蒸汽剖面测量方法和装置

    公开(公告)号:US5138876A

    公开(公告)日:1992-08-18

    申请号:US572734

    申请日:1990-08-27

    IPC分类号: E21B47/10

    CPC分类号: E21B47/10

    摘要: A method and apparatus for determining the vapor flow only, or the vapor and liquid flows into various formations surrounding a thermal injection well. The apparatus utilizes a downhole tool having bristles on its outer surface for impeding the flow of fluid past the tool and an instrument at the surface for measuring the drag force produced on the tool as it is moved downward and upward through the well. The fluid flows at various depths in the well are calculated from the measured drag forces.

    摘要翻译: 仅用于确定蒸汽流的方法和装置,或者蒸汽和液体流入热喷射井周围的各种形式。 该装置利用在其外表面上具有刷毛的井下工具,用于阻止液体流过工具的流动,以及用于测量在工具上产生的拖曳力的仪器在其向下和向上移动通过井时产生的拖曳力。 从测量的阻力计算出井中不同深度处的流体流动。

    Fluidized bed fluid pressure regulator
    5.
    发明授权
    Fluidized bed fluid pressure regulator 失效
    流化床流体压力调节器

    公开(公告)号:US5088387A

    公开(公告)日:1992-02-18

    申请号:US703581

    申请日:1991-05-20

    IPC分类号: E21B47/01

    CPC分类号: E21B47/011

    摘要: A method and apparatus for venting purge fluid from an enclosed housing to maintain a positive known reference pressure differential between the housing and the variable pressure atmosphere surrounding the housing. The apparatus utilizes a specially designed fluidized bed to vent the purge fluid while maintaining a positive known reference back pressure. The fluidized bed automatically compensates for changes in the temperature or pressure of the atmosphere surrounding the housing.

    摘要翻译: 一种用于从封闭壳体排出清洗流体以在壳体和围绕壳体的可变压力气氛之间保持正常的已知参考压力差的方法和装置。 该设备利用特别设计的流化床来排出净化流体,同时保持正常已知的参考背压。 流化床自动补偿围绕外壳的气氛的温度或压力的变化。

    Determination of steam quality in thermal injection wells
    6.
    发明授权
    Determination of steam quality in thermal injection wells 失效
    热注入井蒸汽质量测定

    公开(公告)号:US4581926A

    公开(公告)日:1986-04-15

    申请号:US671657

    申请日:1984-11-15

    摘要: A method and apparatus for measuring the quality rate of the steam injected into a hydrocarbon formation in a thermal recovery process. The method measures the density and flow rate of the steam downhole using a mechanical/electrical apparatus. The quality of the steam is calculated from the measured density and flow rate. The apparatus comprises an electric motor-generator and turbine wheel combination, the no-load speed of the motor being related to velocity of the steam while the stall torque is related to density of the steam.

    摘要翻译: 一种用于测量在热回收过程中注入烃地层的蒸汽的质量率的方法和装置。 该方法使用机械/电气设备来测量井下蒸汽的密度和流量。 蒸汽的质量由测量的密度和流速计算。 该装置包括电动发电机和涡轮机组合,电动机的空载速度与蒸汽的速度有关,而失速转矩与蒸汽的密度有关。

    Temperature compensated wire-conducting tube and method of manufacture
    7.
    发明授权
    Temperature compensated wire-conducting tube and method of manufacture 失效
    温度补偿导线管及其制造方法

    公开(公告)号:US5122209A

    公开(公告)日:1992-06-16

    申请号:US664514

    申请日:1991-03-05

    摘要: A method and apparatus for manufacturing a continuous metal tube having a plurality of electrical conductors disposed therein, by using a spring member to depress the electrical conductors while a flat metal strip is formed into a tubular member and welded to enclose the electrical conductors. The spring member functions to protect the electrical conductors from heat damage. The welding occurs completely downstream of the spring member in order to avoid excessive heat buildup in the spring member.

    摘要翻译: 一种用于制造连续金属管的方法和装置,其具有设置在其中的多个电导体,通过使用弹簧构件来压制电导体,同时将扁平金属带形成为管状构件并被焊接以包围电导体。 弹簧构件用于保护电导体免受热损伤。 焊接完全发生在弹簧部件的下游,以避免在弹簧部件中产生过多的热量。

    Steam quality and flow rate measurement
    8.
    发明授权
    Steam quality and flow rate measurement 失效
    蒸汽质量和流量测量

    公开(公告)号:US5094103A

    公开(公告)日:1992-03-10

    申请号:US516589

    申请日:1990-04-30

    摘要: A method and apparatus for measuring both the quality and flow rate of steam injected into a hydrocarbon formation in a thermal recovery process. The method measures both the quantity of water and the flow rate of the steam. Both measurements can be made at any location in the borehole to determine the quality and quantity of steam injected into a particular formation. The apparatus utilizes a propeller motor/generator combination to determine the vapor flow rate; the drag produced by a network of bristles extending across the borehole determines the vapor flow rate and the quantity of liquid present.

    摘要翻译: 一种用于在热回收过程中测量注入烃地层的蒸汽的质量和流量的方法和装置。 该方法测量水的量和蒸汽的流量。 可以在钻孔中的任何位置进行两次测量,以确定注入特定地层的蒸汽的质量和数量。 该装置利用螺旋桨电动机/发电机组合来确定蒸汽流速; 通过延伸穿过钻孔的刷毛网络产生的阻力决定了蒸气流速和存在的液体量。