STACKFRAC

OIL AND GAS WELL COMPLETION SYSTEMS COMPRISED OF PACKERS, FRACPORTS FOR THE PLACEMENT OF FLUIDS OR FLUID CONTROL OUT OF WELLS, BALL SEATS VALVES, CERAMIC OR METAL BALLS FOR USE IN THE FLOW OF FLUIDS, WELLBORE CASING, TUBING, CIRCULATING VALVES, CENTRALIZERS, WIRELINE RETRIEVABLE BALL SEATS, HYDRAULIC ANCHORS, OPEN HOLE ANCHORS, ALL USED IN OIL AND GAS WELL COMPLETIONS