Engineering services for the construction of water treatment and purification plants, solid waste treatment plants and other municipal infrastructure facilities; Technical consultation in the field of power plant engineering, namely, testing and evaluation of power plant equipment to improve performance and efficiency of such equipment

Mechanically or hydraulically operated expandable tubular systems consisting of a work string, casing, casing strings, expansion tool, cones, assemblies and launchers, liners, liner joints, anchors, platforms for packer installations and tubulars for use in the oil and gas industry

Power-operated expandable tubular system, namely, consisting of work string, bottom hole launcher with expansion tool, expandable tubulars and liner hangers, sand screens, and anchors for use in the oil and gas industry

Providing of oil field services, namely, construction and repair of pipeline systems, and drilling of oil wells; oil well repair services by utilizing expandable slotted, perforated solid tubulars and expandable sand screens

Power-operated expandable tubular system, namely, consisting of work string, bottom hole launcher with expansion tool, expandable tubulars and liner hangers, sand screens, and anchors for use in the oil and gas industry

Providing of oil field services, namely, construction and repair of pipeline systems, and drilling of oil wells; oil well repair services by utilizing expandable slotted, perforated solid tubulars and expandable sand screens

Power-operated expandable tubular system consisting of work string, bottom hole launcher with expansion tool, expandable tubulars and liner hangers, sand screens, and anchors for use in the oil and gas industry

Providing of oil field services, namely construction and repair of pipeline systems, and drilling of oil wells; oil well repair services by utilizing expandable slotted, perforated solid tubulars and expandable sand screens