METHOD OF OPERATION OF JET PLANT AT COMPLETION AND OPERATION OF OIL AND GAS WELLS Russian patent published in 2007 - IPC F04F5/54 E21B47/00 

FIELD: oil producing industry; test facilities.

SUBSTANCE: according to proposed method, bypass ports are made in housing of jet pump, and spring-loaded support bushing is installed provided with bypass holes and seat. Ports of housing are closed by bushing. Insert with jet pump is lowered into well on logging cable. Said logging cable is passed through channels of sealing unit and insert. Sealing unit is fitted in channel of insert, and perforator is connected to lower end of logging cable and is arranged opposite to productive stratum. Depression on stratum is built. Perforating of stratum with draining of well is carried out at depression. Delivery of medium is stopped by moving the bushing. Insert with jet pump and remnants of perforator are lifted to surface. Acid solution or hydrofraction liquid is pumped into stratum through jet pump housing, and insert with jet pump is lowered into well on logging cable. Sealing unit is installed in passage channel and geophysical measuring instrument is connected to logging cable and lowered into well to bottom. Depression on stratum is created. Reaction products are pumped out of stratum. After draining and at operating jet pump, instrument is lifted to surface and physical parameters are recorded. Draining of stratum is stopped. Insert with jet pump and geophysical measuring instrument is lifted to surface and well is set into operation by flow method.

EFFECT: improved efficiency of operation for intensification of inflow from productive stratum.

2 cl, 3 dwg