FIELD: oil-and gas industry.
SUBSTANCE: device contains a void chamber with a hole, equipped with a shut off valve in its bottom part, a pipe for a deposit collection. Between the case and the pipe a channel formed, which entrance located over the possible deposit layer, and exit - directly over the shut off valve. In the deposit collection pipe are separated outlets for the pipes cavity connection to the channel between the case and the pipe.
EFFECT: deposit withdrawal technical efficiency increase.
2 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SHUTOFF VALVE | 2006 |
|
RU2312203C2 |
| SHUT-OFF VALVE | 1995 |
|
RU2102582C1 |
| DEVICE FOR STIMULATION OF FORMATION BY PRESSURE DIFFERENTIAL | 1998 |
|
RU2198289C2 |
| COLLAR OF MECHANICAL PACKER | 1995 |
|
RU2102580C1 |
| GAS CUTOFF VALVE | 1998 |
|
RU2194845C2 |
| METHOD FOR INCREASING WELL PRODUCTIVENESS DURING ITS OPERATION AND DEVICE FOR WELL SHUTTING OFF | 2000 |
|
RU2229018C2 |
| SHUT-OFF VALVES | 1990 |
|
RU2007547C1 |
| DOWNHOLE EQUIPMENT FOR POLYFREQUENCY WAVE TREATMENT OF BOTTOM-HOLE ZONE OF PRODUCTIVE FORMATION AND FLOWRATE OSCILLATIONS GENERATOR FOR THAT | 2014 |
|
RU2574651C1 |
| VALVE DEVICE | 0 |
|
SU1828492A3 |
| PACKER | 0 |
|
SU1828489A3 |
