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    • 8. 发明授权
    • Method and apparatus for determining flow characteristics within a well
    • 用于确定井内流量特性的方法和装置
    • US4507552A
    • 1985-03-26
    • US410276
    • 1982-08-23
    • Raymond E. RoesnerMark L. Sloan
    • Raymond E. RoesnerMark L. Sloan
    • E21B47/10G01V5/00
    • E21B47/1015
    • In the representative embodiments of the new and improved methods and apparatus disclosed herein, a well logging instrument includes an elongated body member having a funnel configuration fluid collector mounted thereon. An aperture in the body member, proximate the apex of the collector, allows discharge of the fluid through a passage in the body member, past a pair of radiation detectors, thereafter returning into the well. A tracer ejector valve assembly is mounted proximate the apex of the funnel and the aperture therein for selectively injecting a quantity of radioactive tracer element into the fluid flow. The tracer element is detected by the pair of detectors with the signals provided therefrom used to determine flow characteristics of the fluids within the well.
    • 在本文公开的新的和改进的方法和装置的代表性实施例中,测井仪器包括细长的主体构件,其具有安装在其上的漏斗形流体收集器。 身体构件中的靠近收集器顶点的孔允许流体通过身体构件中的通道排出,经过一对辐射检测器,然后返回到井中。 示踪剂排出阀组件安装在漏斗的顶点附近,并且其中的孔用于选择性地将一定量的放射性示踪元件注入到流体流中。 示踪元件由一对检测器检测,其中提供的信号用于确定井内的流体的流动特性。
    • 9. 发明申请
    • SAFETY VENT DEVICE
    • 安全通风装置
    • US20080307951A1
    • 2008-12-18
    • US12137671
    • 2008-06-12
    • Garry R. KaiserColby W. RossTracy L. GrahamMark L. Sloan
    • Garry R. KaiserColby W. RossTracy L. GrahamMark L. Sloan
    • E21B43/117
    • E21B43/119
    • A perforating gun system having a relief system for relieving high pressure during unexpected high temperature or situations that may produce rupture of the gun body. The relief system may be responsive either to high temperatures as well as high pressures. In the high temperature situation, the relief system has a fuseable link that melts thereby allowing movement of a piston to open vent communication between the inside of a gun body in the ambient conditions. Similarly, a pressure device includes a piston responsive to pressure that moves under high pressure within the gun body thereby exposing a port enabling communication between the inside of the gun body and the ambient conditions.
    • 一种穿孔枪系统,其具有用于在意外高温下释放高压的释放系统或可能产生枪体破裂的情况。 释放系统可以响应于高温以及高压。 在高温情况下,释放系统具有熔化的连接件,从而允许活塞在环境条件下在枪体的内部之间开放通气连通。 类似地,压力装置包括响应于在枪体内在高压下移动的压力的活塞,从而暴露出能够使枪身内部和周围环境之间进行连通的端口。