发明名称 cabeçote de ferramenta de poço abaixo para liberação de sólidos precipitados
摘要 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.
申请公布号 BR112012003695(A2) 申请公布日期 2016.03.29
申请号 BR20121103695 申请日期 2010.08.20
申请人 WELLTEC A/S 发明人 JORGEN HALLUNDBAEK;SVEN KARSTEN JENSEN
分类号 E21B37/02;B08B9/051;E21B27/00 主分类号 E21B37/02
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