FIELD: oil-and-gas production.
SUBSTANCE: invention related to oil-and-gas production, particularly for borehole equipment centralising devices. Fixable centraliser consists of a case with ribs, which has a reducing element and deforming tool, that forms collet, due to the fact that reducing element executed in a shape of conical ring and deforming tool as a threat ring gage with external threat fitting to case external one.
EFFECT: reduce of centralisers axial dimensions.
1 cl, 11 dwg
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