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Use : the device of [vosstanovleni] of ground, [konstruktsi] of the ranges of [dl] of the microbiological cleaning of petroleum sludges and [neftezagr] of [znennogo] ground. Essence : the creation of the range of [dl] of the biological cleaning of petroleum sludges and [neftezagr] of [znennogo] ground on the basis of complex [vozdeystvi] down [zagr] [znennyy] ground by means of the microbiological cleaning and the [fitomeliorativnoy] refining with post [nnym] control of cleaning down [prot] of [zhenii] of entire its process, [nachina] from [skladirovani] of [neftezagr] of [znennogo] ground and petroleum sludges to the sending of purified ground for the satisfaction of technical purposes or down the earth of [selkhoznaznacheni]. Technical result : an increase in the degree of cleaning [neftezagr] of [znennogo] ground and petroleum sludges, the guarantee of a complete cycle of [obezvrezhivani] of [zagr] of [znennykh] ground with their transformation beside the viable ground with hydrocarbon concentration are less than 0, 01%, the restoration of ecosystems.