9 Monitoring instruments, devices, and equipment for use in subterranean vertical and horizontal directional drilling operations, namely, deadline electric sensors, draw works encoders, geolograph encoders, hydraulic pressure sensors, data transfer equipment and depth tracking equipment in the nature of computers and electric sensors that monitor and record rate of penetration, hole depth, weight on bit, on bottom data, bit depth, hook load, and block height; Computer programs and software for use in recording, logging, monitoring and evaluating subterranean vertical and horizontal directional drilling operations, namely, gamma readings, resistivity readings, drilling mud data, pressure readings, creation of Log Ascii Standard (LAS) files, and merging tool and depth files
Trademark: 85102905
