Apparatus and method to remotely control fluid flow in tubular strings and wellbore annulus

摘要

The present invention discloses a method and apparatus for remotely and selectively control fluid flow through tubular string disposed within a wellbore and further control fluid flow between the tubular string inner flow passage and the annular flow passage. The present invention further discloses a method of selectively and remotely receiving and interpreting a form of command or information at a desired apparatus within the wellbore caused by the operator on earth surface.