... shows a comparison between single (partial penetration) and dual well completions (DWS) for both newly completed and watered out wells. Two different approaches were considered to model the bottom completion in the DWS wells. The first approach consists in maintaining a constant water production rate...

... (bottom) well completion isolated by a packer from the top completion. The bottom completion diverts water from the top completion so gas production is maximized and water-free. The study analyzed simulated performance of DWS wells for different values of well design parameters (the top and bottom...

... Abstract Downhole water sink (DWS) technology is an alternative to conventional limited-entry completions and downhole water separation in controlling water production in wells with bottom water drive. DWS wells comprise two completions: the bottom completion produces water and keeps the top...

... Abstract A new method and software have been developed to identify promising reservoir candidates for production improvement using DWS technology. DWS employs dual completion in wells affected by excessive water problem. The bottom completion drains the water and keeps the top completion open...

...-completed well with downhole water sink (DWS) drainage and injection installation. DWS wells are different from the DGWS wells by inclusion of a second bottom completion that controls water outside the well and prevents commingled inflow of gas and water to the top completion. The wells have been...

... Abstract Downhole Water Sink (DWS) technology controls water coning in dual-completed wells by concurrently producing water from the bottom completion - below the oil-water contact, and oil from another completion at the top of the oil sand. It has been shown that DWS improves well...