| 摘要 |
<p>A repeatedly usable downhole pumping assembly including; a conduit comprising a plurality of pipes, wherein the pipes are uniformly entwined together along their length to provide multiple fluid passageways, wherein the conduit is to be wound onto a reel and off the reel repeatedly; a rotatably mounted reel, upon which the conduit is adapted to be wound without collapsing; a pump for pumping fluid through the conduit; and a driving means to lower and raise the conduit relative to the bore.</p> |
