Abstract: Apparatus for the remote deployment of one or more valves (1), comprising channel means (2) through which the valve (1) will be deployed, channel location means (3) in which the valve (1) will sit, seal means (4) to seal between the valve (1) and the channel means (2), valve location means to seat the valve (1) onto the channel location means (3), and valve means (6) to control the passage of fluid.

Abstract: Apparatus for the installation of sensors (37) in channels (31), which apparatus comprises a first channel (31) containing at least one sensor location arrangement (35), the first channel (31) and the sensor location arrangement (35) being such that at least one sensor (37) is able to be pumped through the first channel (31) to the sensor location arrangement (35), the sensor location arrangement (35) being provided with at least one turn (3) such that the physical disposition of the sensor (37) after it has been pumped to the sensor location arrangement (35) is not linear, and the turn (3) being such that it comprises a loop of hydraulic conduit.