METHOD OF CONSTRUCTION OF ACCUMULATION SUMP Russian patent published in 2019 - IPC E02D31/00 B01D21/02 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to oil industry, namely, to method of accumulation sump construction. Method of construction of accumulation sump includes excavation of soil, construction of dicing and laying on the bottom and walls of ditch waterproofing screen. Meshes from the smaller to the coarse with sagging are placed in series so that a gap is formed between the meshes. Number of meshes and size of cells is selected empirically from possibility of passage of liquid and oil to bottom of granary with successive separation of fineness of size of mechanical impurities. At the edges of the mesh they are fixed and isolated from above with a waterproofing material; at that, in one place a channel is left covered with waterproofing material for input under the mesh to the bottom of the pipe for suction of liquid and oil from the barn.

EFFECT: technical result consists in sequential separation of mechanical impurities from liquid wastes and / or oil, excluding the possibility of interaction of these impurities with a waterproofing screen.

1 cl, 1 dwg