DS LONESTAR

Equipment and machines for oil extraction from oil fields, namely, hollow carrier and through-tubing gun systems comprised of perforating guns, boosters being metal tubes for the transfer of ballistic energy, and spacer hardware in the nature of O rings, springs, spacer plates, retention rings, all of the foregoing sold as a unit; equipment and machines for oil and oil fields, namely, hollow carrier and through-tubing gun systems comprising perforating guns

Explosives and detonators, namely, shaped charges, detonating cords, boosters and detonating plugs, high-temperature and pressure-resistant detonators, detonator igniters, percussion initiators