| 摘要 |
FIELD: mining. ^ SUBSTANCE: functionally facility is attached to well with cased producing string inserted therein; facility consists of the first device with internal channel, of the second device with internal channel and of bushing insulating hydro-break, located at least partially in internal channels of the first and the second device; bushing has internal diameter, which is bigger or equal to internal diameter of producing cased string. ^ EFFECT: protection of Christmas tree from penetration of abrasive particles with fluid used at moment of hydro-break; guarantee of long operating life of head equipment; possibility of installation bridge plugs through bushing for hydro-break insulation eliminating disassembly of insulation tool of well head equipment insulation. ^ 42 cl, 7 dwg |
