CEM

Subsurface drilling and completion tools and equipment made of decomposable metal for use in oil, gas, condensate and water wells, well bores and boreholes, namely, balls, ball seats, plugs, packers and drillpipe darts; subsurface drilling and completion tools and equipment made of decomposable metal for positioning or actuating downhole tools, or for controlling pressure or fluids in oil, gas, condensate and water wells, well bores and boreholes, namely, sleeves, sliding sleeves, valves, balls, ball seats and hydraulic liner setting tools; subsurface drilling and completion tools and equipment made of decomposable metal for controlling pressure or fluid in oil, gas, condensate and water wells, well bores and boreholes, namely, packers, bridge plugs, fracturing plugs, balls, fracturing balls, drillpipe darts, sleeves, sliding sleeves, and valves; subsurface drilling and completion tools and equipment made of decomposable metal for use in oil, gas, condensate and water wells, well bores and boreholes, namely, metal liners, mandrels, whipstocks and casings; subsurface drilling and completion tools and equipment made of decomposable metal, namely, slips and anchors for securing downhole tools in oil, gas, condensate and water wells, well bores and boreholes; and structural parts for the aforesaid goods