Abstract
In the drilling of wells, cementing of protective pipelines, development of productive horizons, as well as in operation, wells need to be divided into permanent or temporary areas. More advanced than these processes is the use of packing devices in the technological separation of layers and the insulation of protective belts. For example, delivery of the buffer mixture to the absorption zone by packer-mounted drill pipes saves 40-60% of time and reduces material consumption by 1.5-2 times compared to previous non-packer technologies. Keywords: packer, cuff, protective pipeline, sliding, sealing
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