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    • 1. 发明授权
    • Apparatus for ejecting fluid in a borehole
    • 用于在井眼中喷射流体的装置
    • US3692106A
    • 1972-09-19
    • US3692106D
    • 1971-04-12
    • EDWARD R BASHAMWILLIAM D SMITH
    • BASHAM EDWARD RSMITH WILLIAM D
    • E21B27/02E21B47/10G01V5/08E21B43/00
    • E21B27/02E21B47/1015G01V5/08
    • An improvement in apparatus for ejecting a fluid in a borehole penetrating subterranean formations characterized by; in addition to the conventional surface equipment, wireline, and downhole tool; a motor driving an accurate dispensing cylinder and piston, and a measuring and stopping means connected with the motor for measuring when a predetermined quantity of fluid has been ejected and for stopping the motor. Also disclosed are other aspects of a complete apparatus assembly including: 1. A SENSOR MEANS IN THE DOWNHOLE TOOL; 2. A TIMED RELAY AND SWITCH FOR SUPPLYING A TIMED POWER PULSE TO THE MOTOR AND THEREAFTER MONITORING THE SENSOR MEANS; AND 3. SPECIFIC STRUCTURE AND ELECTRICAL SCHEMATIC DIAGRAMS FOR IMPROVING THE ACCURACY OF THE EJECTION OF THE QUANTITY OF FLUID, AND FOR REFILLING THE DOWNHOLE TOOL AT THE SURFACE.
    • 改进在穿透地层的钻孔中喷射流体的装置,其特征在于: 除了常规的表面设备,电缆和井下工具; 驱动精确的分配缸和活塞的电动机,以及与电动机连接的测量和停止装置,用于当预定量的流体被排出并用于停止电动机时进行测量。 还公开了一种完整设备组件的其他方面,包括: