Patent ID: 8967265
Filing Date: 2015-03-03
Classification: E21B

Abstract:
1. A method of cleaning a flow control apparatus in a wellbore comprising: providing in a wellbore a flow control apparatus comprising a base pipe, at least one screen and at least one inflow control device, wherein a fluid inflow path is provided through the at least one screen and into and along a region between the base pipe and the screen and from an outer portion to an inner portion of the at least one inflow control device; targeting the at least one inflow control device with a treatment fluid; and delivering the treatment fluid such that the fluid flows in a reverse direction along the fluid inflow path, wherein the step of targeting the at least one inflow control device comprises inserting a treatment tool into the wellbore for the delivery of the treatment fluid, and further comprising locating the treatment tool on a locator provided by the flow control apparatus, wherein the locator is configurable to permit the treatment tool to pass beyond the inflow control device.