<p>Apparatus for mobilising drill cuttings in a well, comprising at least one vane (12), and two or more blades (15). The two or more blades (15) define at least one fluid conduit between adjacent blades (15). The blades (15) and the or each vane (12) are rotatable relative to one another. The apparatus is provided to alleviate the problem of drill cuttings clumping together downhole. The or each vane (12) can be provided on a sleeve (5). The blades (15) can be mounted on a bushing (7) that is rotatably mounted on the sleeve (5).</p>
