FIELD: oil and gas industry.
SUBSTANCE: invention is designed for disconnecting flow string from packer-anchor equipment secured on production string. The disclosed disconnector consists of a case with thread, of a packing element and of a gripping element made in form of a collet wit flexible blades. The case is additionally equipped with an upper bushing connected to the case wherein there is installed the packing element. A tip with thread and at least one circular lug an/or one circular groove on external surface is installed inside the case. The gripping element is additionally equipped with a base and is located inside the case travelling up and down. Flexible blades of the collet are shaped and are directed upward to the upper bushing.
EFFECT: increased reliability and efficiency of disconnector application, and expanded region of application.
18 cl, 2 dwg
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