Method of drilling and completing multiple wellbores inside...

Details Method of drilling and completing multiple wellbores inside... Method of drilling and completing multiple wellbores inside...

E - Fixed Constructions

21

B

E21B 7/06 (2006.01) E21B 23/12 (2006.01) E21B 33/047 (2006.01)

Patent

CA 2689034

A method and apparatus for drilling and completing multiple wellbores from a single drilling rig and from within a single wellhead is provided. In one embodiment, a template is disposed at a predetermined location downhole within a casing. In one aspect, a first casing string is lowered with the template to the predetermined location and disposed within a first wellbore. A second wellbore may be drilled through a bore in the template. A second casing string may then be lowered through the bore into the second wellbore. In another embodiment, at least two wellbores are drilled and completed from a surface casing having a crossover portion.

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