FIELD: oil and gas production.
SUBSTANCE: device for transfer of tubular element consists of component with multitude of elongated slots, of component with multitude of recesses connected with components with slots and designed to slide, of multitude of rolling elements each retained between one of recesses and one of slots, and of multitude of shift components each shifting corresponding rolling element. The procedure for shifting the tubular element consists in introduction of the above described device into an end of the tubular element, in creating conditions for engagement of multitude of rolling elements between surfaces of the tubular element and the component with recesses and in lifting the tubular element by means of the above described device. The system for transfer of the tubular element contains the above described device and means for lifting the described device for transfer of the tubular element.
EFFECT: safety, efficiency, low expenditures, and possibility to operate with pipes of different dimension.
14 cl, 9 dwg
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