DARCY INNER STRENGTH

Tools for use in oil or gas wells, namely, machine tools in the nature of sand control screens, machine tools for controlling sand inflow and machine tools for well formation stress control; machines used for the drilling and completion of oil and gas wells; apparatus, equipment and machines used for the drilling and completion of oil and gas wells, namely, machine tools in the nature of sand control screens, machine tools for controlling sand inflow and machine tools for well formation stress control; downhole tools and apparatus, namely, machine tools in the nature of sand control screens, machine tools for controlling sand inflow and machine tools for well formation stress control

Oil and gas well drilling and extraction services; oil and gas well completion in the nature of drilling, and maintenance and repair services; rental, repair and installation of tools for use in the construction, operation, repair, maintenance and inspection of oil and gas wells

Engineering research and design services