DEVICE FOR TREATMENT OF BOTTOM-HOLE ZONE Russian patent published in 2003 - IPC

FIELD: devices for treatment of bottom-hole zones. SUBSTANCE: device has thermal gas generator with ignition unit located in protective casing with side slots, and implosive chamber with controlled intake valve. Device additionally has container with electronic unit connected to upper end of implosive chamber. Electronic unit includes electric current source and electronic circuit having two timers, two pulse shapers, two controlled switches. Outputs of the fist and second timers are connected with inputs of the first and second pulse shapers, respectively. Outputs of pulse shapers are connected with controlling inputs of the first and second switches, respectively. Main inputs of the first and second switches are connected to electric current source. Output of the first switch is connected with ignition unit of thermal gas generator. Output of the second switch is connected with control unit by intake valve of implosive chamber. Container upper part with electronic unit has sleeve with female thread. Lower part of protective casing of thermal gas generator has shank with male thread. EFFECT: higher efficiency of cleaning of bottom-hole zones from asphalt-resinous and paraffin- hydrate deposits, increased oil recovery of formations in horizontal, directed and vertical wells. 2 dwg