Method for multi-lateral completion and cementing the juncture with lateral wellbores

A method for completing a primary wellbore having a first window therethrough and at least one lateral wellbore extending from said first window, comprising the steps of:

• a) delivering a liner assembly into said primary wellbore and said lateral wellbore, said liner assembly including a hook hanger to engage said first window;
• b) setting said hook hanger onto said first window;
• c) delivering cement to an annulus defined by a space between said liner assembly and said lateral wellbore at the junction of said primary wellbore and said lateral wellbore.

A completed wellbore having a primary wellbore with a first window therethrough and at least one lateral wellbore extending from said first window, comprising:

• a liner assembly extending from said primary wellbore into said lateral wellbore, said liner assembly including a hook hanger engaged to said first window;
• and
• cement in an annulus defined by a space between said liner assembly and said lateral wellbore at the junction of said primary wellbore and said lateral wellbore.