GUARDIAN
machine and machine tools, namely gauges, for monitoring bore hole properties, namely temperature, pressure, flow rate, resistivity, water cut, chemical analysis, and acoustic travel rate, as well as monitoring the performance of downhole tools, namely valves, screens, gauges, packers, data transmission devices, namely wire, fiber optic cable, and fluid conduits, and bridge plugs, and excluding any use in conjunction with blowout preventers
Abandoned · April 13, 2000 · 76026436 ·