Patent ID: 6209648
Filing Date: 2001-04-03
Classification: E21B

Abstract:
A method for establishing connectivity of a lined lateral branch bore extending from a cased main well bore in an earth formation, said cased main well bore having a window for said lateral branch bore, said method comprising:positioning a lateral branch template within the main well casing in registry with said window and said lateral branch bore, said lateral branch template having a connector guide comprising an inclined ramp defining a first interlocking connector;moving a lateral branch connector comprising a second interlocking connector longitudinally within said lateral branch template into guiding relation with said connector guide and interlocking engagement with said first interlocking connector;maintaining said guiding relation and interlocking engagement and guiding a portion of said lateral branch connector from said main well bore through said window and into said lateral branch bore; andstopping longitudinal movement of said lateral branch connector at a connecting position establishing lateral branch connectivity and defining a production flow path with said lateral branch bore.