Large-bore system for deepwater casing and liner running comprising a cementing head, dart alignment submersibles, surge reduction tool, a liner hanger system with associated running tools, namely, polished bore receptacle, liner top packer, liner hanger, darts, plugs, centralizer submersibles, plug indicator, mechanical ball seat, auto-fill float valves, debris reduction shoe, reamer shoe, a rotating guide shoe and retractable shoe for use in the hydrocarbon exploration and production field

[ Computers, computer hardware, computer network servers; ] computer software for comparing performance of various systems/suppliers; computer software for analysis of reliability data for oil and gas wells; computer software for collecting and analyzing of reliability data for sea bed production systems for oil-and gas industry; [automatic valves, electronic machine used to measure flowlines in pipes; multiphase flow meters; video cassette recorder, digital video recorder blank magnetic data...

Computer software for controlling well pumps and associated computer hardware

CONTROLLERS FOR GROUND WATER PUMPING SYSTEMS

WELL HOSES AND COUPLINGS THEREFOR SOLD AS A UNIT

PUMPING UNITS AND APPARATUS FOR USE IN PUMPING AND EXTRACTING OIL AND OTHER RESOURCES FROM THE EARTH