FOLCO

METAL TUBES AND METAL TUBING; METAL TUBE CLAMPS; METAL TUBING COUPLERS AND CONNECTORS; METAL VALVES; ARTICLES OF METAL FOR USE IN OIL AND GAS WELLS, NAMELY, MANDRELS, COUPLINGS, SELF-MATING COUPLINGS, PRODUCTION LINERS, LINER HANGERS, CASINGS, SEAL ASSEMBLIES, AND A SELF-MATING COUPLING THAT HYDRAULICALLY CONNECTS A METAL CONDUIT ATTACHED TO A FIXED CASING TO A METAL CONDUIT ATTACHED TO A DEPLOYED LINER

OPTICAL FIBRES AND OPTICAL FIBER CABLES; STRUCTURAL PARTS FOR OPTICAL FIBERS, NAMELY, TUBES AND CASINGS FOR OPTICAL FIBERS; INSTRUMENTS FOR USE IN OIL AND GAS WELLS, NAMELY, OPTICAL SENSORS AND ELECTRICAL AND OPTICAL CONTROLLERS; OPTICAL TERMINATION BOXES FOR OPTICAL FIBERS; OPTICAL CONNECTORS FOR OPTICAL FIBERS; OPTO-ELECTRONIC TEMPERATURE AND PRESSURE TRANSDUCERS; PHOTODETECTORS FOR DETECTING REFLECTED OR EMITTED LIGHT VIA A FIBER OPTIC CABLE; LASERS FOR PROVIDING LIGHT INTO FIBER OPTIC CABLES; LIGHT EMITTING DIODES; COMPUTERS AND SOFTWARE FOR USE IN OIL AND GAS WELL INSTRUMENTATION AND DATA LOGGING