FIELD: oil and gas industry.
SUBSTANCE: group of inventions relates to oil and gas industry, in particular to devices for removal of metal wastes from well shaft. Proposed tool comprises magnetic element, rotary generating means, waste removal unit and waste container. Magnetic element comprises a cylindrical housing having a first end and a second end. Waste removal unit comprises first spiral lengthwise guide element arranged around cylindrical housing. Rotation generating means are functionally connected to cylindrical housing or first spiral longitudinal guide element. Container for wastes has first hole located on second end of cylindrical housing. Cylindrical housing or the first spiral longitudinal guide element is installed with possibility of rotation around its central axis and is made so that metal wastes accumulating on the cylindrical housing during its use were directed by the first spiral longitudinal guide element to the first hole of the waste container during operation of the devices for generating rotation.
EFFECT: increased efficiency of cleaning, reduced time expenditures.
13 cl, 9 dwg
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