Geophysical Instruments, namely, geophones, hydrophones, multi-component geophone arrays; Geophysical acquisition systems, namely, borehole seismic receiver arrays and shallow water acquisition systems comprised of geophones, hydrophones, connection cables and electronic data recorders; Geophysical recorders, namely, seismic recorders, ocean bottom recorders in the nature of geophones and hydrophones; Cable connectors for geophysical instruments; Geophone cases; Geophysical instrument accessories all specially adapted for geophones, hydrophones and multi-component geophone arrays, namely, tie-wrap type, field installable nylon attachable D Loops, geophone spikes made of steel, aluminum or brass, geophone tripod, conical or arctic bases, geophone hasps, and molded slip-on splices for electrical connection of conductors; Industrial geophones; Marine seismic products, namely, navigation birds, in the nature of streamer depth control system comprised of a depth transducer, a fluxgate magnetometer, a wing angle sensor and a microprocessor for offshore towing of seismic arrays; Streamer recovery devices, heading sensor recovery devices, float tubes, float collars, tail swivels, power take-outs for converting high voltage streamer power to standard output voltage for auxiliary devices, streamer cables; Seismic reservoir monitoring systems, namely, image systems comprised of autonomous electronic data recorders; Downhole monitoring systems comprised of very large channel counters in the nature of fiber optic cables, digital data recorders, and fault tolerant computers; Borehole seismic systems comprised of borehole seismic cables, geophones or hydrophones; Shallow water systems comprised of electric coaxial cable array segments made to maximize reliability of in-water equipment; Slimhole array systems comprised of borehole seismic reservoir arrays, slimhole sonde and 3C sensor package comprising three axis orthogonal geophones, and downhole seismological shuttle instruments; Microseismic hydraulic fracture monitoring systems comprised of sensitive seismic detectors in a multi-level downhole seismic tool; Remote operated vehicle connectors, namely, cable connectors used between a subsea Remote Operated Vehicle (ROV) and a marine cable; Cables, namely, ocean bottom cables comprised of an assembly of vertically oriented geophones and hydrophones connected by electrical wires and deployed on the seafloor to record and relay data to a seismic recording vessel; Power and signal cables for geophysical acquisition systems and for remote operated vehicle (ROV) devices

Geophysical instrument accessories, namely, tie-wrap type, field installable nylon attachable D Loops in the nature of all-purpose nylon straps featuring hook fasteners