Apparatus for use in a wellbore, module for use in a wellbore containing a liner, method of communicating with a fixture in a wellbore having a liner section, complement column for use in a wellbore, complementation column for use in a well having a main bore and a side branch, and apparatus for use in a junction between a main bore and a side bore.

摘要

"APPARATUS FOR USE IN A DUMP HOLE, MODULE FOR USE IN A DUMP HOUSE CONTAINING A LINER, COMMUNICATION METHOD WITH AN ELECTRICAL DEVICE IN A DUMP HOLE, COMPLEMENT DUMP COMPLEMENT COLUMN COLUMN FOR USE IN A WELL WITH A MAIN HOLE AND SIDE RAMP, AND APPARATUS FOR USE AT A JOINT BETWEEN A MAIN HOLE AND SIDE HOLE ". It is an apparatus and method for wellbore communication including induction coupling devices (300, 302, 308, 310) for transmitting signals between concentric components.