Well-completions_fig4.png|'''Figure 4.''' Wellbore diagram of (a) a casing-tubing dual completion and (b) a completion with dual packers and dual tubing strings. | Well-completions_fig4.png|'''Figure 4.''' Wellbore diagram of (a) a casing-tubing dual completion and (b) a completion with dual packers and dual tubing strings. |