| 摘要 |
FIELD: oil and gas production, particularly to flush horizontal sections of oil and gas wells and for fluid inflow stimulation. ^ SUBSTANCE: device comprises hollow body including two serially connected cylinders, head to be connected to flexible pipe string, reciprocating crown, axial flow sensor installed between two cylinders, pressure and temperature sensors arranged in upper body cylinder. Bushes are installed in lower body cylinders. One bush is fixed. Cylinders are connected with each other through hydraulic channels. Crown has blades and secured to bush, which may cooperate with fixed one by means of mutually opposite beveled surfaces. ^ EFFECT: increased flushing quality and flow rate of completed well. ^ 3 dwg |
