| 摘要 |
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 ). |
