Key words: salinity, permeability, core, injection water, water compatibility, reservoir pressure maintenance.
In the development of deposits of carbon materials with maintaining reservoir pressure, killing the well with the current and capital repairs of water solutions necessary to study the effect of salinity of the water used on the permeability of the reservoir. In this regard, the paper presents the results of these studies on the example of the core samples of Verhne- Shapshinkoye deposit.