Abstract: A flow control apparatus for use in a wellbore comprises a screen, a first inflow control device and a second inflow control device, wherein a fluid inflow path is provided through the screen and from an outer portion to an inner portion of each inflow control device. A method of cleaning a flow control apparatus such as that described above comprises providing in a wellbore a flow control apparatus comprising 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 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.

Abstract: A flow control device comprises a housing, a flow restriction member, and a flow control ring defining a flow control port which is configured to receive the flow restriction member. The flow control ring is configured so as to be sealingly mounted onto a base pipe. The flow restriction member is at least partially inserted into the flow control port so as to at least partially define a predetermined flow restriction through the flow control ring. The housing is sealingly mounted on the flow control ring. The flow control device may be mounted on a base pipe. The flow control device may be used for controlling fluid flow, in particular, though not exclusively in oil and/or gas wells.

Abstract: A flow control apparatus for use in a wellbore comprises a screen, a first inflow control device and a second inflow control device, wherein a fluid inflow path is provided through the screen and from an outer portion to an inner portion of each inflow control device. A method of cleaning a flow control apparatus such as that described above comprises providing in a wellbore a flow control apparatus comprising 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 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.