PGS

Sources, sensors, cables, and other equipment for gathering, recording, or analyzing geophysical data, namely, air guns in the nature of acoustic signal generators that use pressurized air to generate an acoustic impulse specifically used for undersea surveying of marine formations, marine vibrators in nature of acoustic wave generators that create an acoustic wave and are specifically used for undersea surveying of marine formations; [ electromagnetic antenna; electromagnetic coils; ] source arrays in the nature of surveying machines and instruments specifically designed for use in surveying undersea marine formations; hydrophones; geophones in nature of an electronic receiver designed to pick up seismic vibrations; accelerometers; particle velocity sensors; pressure gauges; marine depth sensors; [ electrodes; ] streamers, namely, seismological instruments used for surveying marine formations, [ electromagnetic apparatus used to generate or measure electromagnetic fields used for surveying marine formations; ocean bottom cables for the transmission of data, sounds and images; ] electric actuators; surveying instruments for conducting undersea geophysical surveys; [ optical fiber cables; ] electronic database in the field of geophysical information recorded on computer media; Computer software for use in conducting geophysical data analysis, geophysical modeling, and geophysical data processing and instruction manuals provided as a unit therewith