| 摘要 |
<p>The present invention relates to a downhole tool head (1) for mounting onto a downhole tool (10) for drilling in a formation downhole or for releasing precipitated solids (2), such as ice, scales, and the like, in a cavity fluid in a pipeline, a casing (3), a well, or any other cavity downhole. The downhole tool head comprises a hollow cylindrical body (4) with a circumferential wall (5) extending from a bottom of the body, the circumferential wall having a circumferential rim (6) in its end opposite the bottom. The circumferential rim (6) comprises a plurality of edges (8) for cutting, grinding, drilling, and/or milling and the bottom has a plurality of throughgoing holes (9) for letting cavity fluid comprising precipitated solids pass the holes.</p> |
