FIELD: mining.
SUBSTANCE: downhole equipment comprises casing, two flow channels, seal sliding at said casing, wedge grip assembly supported at said casing, channel in said casing and intermediate module. Note here that said intermediate module allows fluid flow between channel in the casing and one of two lengthwise flow channels.
EFFECT: no need in complete disassembly of two- or multi-string packer at drill site.
25 cl, 7 dwg
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