FIELD: oil and gas production industry. SUBSTANCE: this is intended for isolation of passages in water-bearing beds with mineralized water. Water-gas manifestation is prevented due to creation of positive differential pressure. Device has body with connecting ends. Mounted on body is rubber member. Installed inside body is overflowing pipe connection with plugs in its ends, inlet holes with graduated washer-pipe union, and outlet hole. EFFECT: higher efficiency. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DEVICE FOR ADJUSTING BOTTOM-HOLE PRESSURE IN PROCESS OF DRILLING | 1996 |
|
RU2105126C1 |
| METHOD AND DEVICE FOR WATER ISOLATION DURING WELL BORING | 2001 |
|
RU2235190C2 |
| LIFTING JACK PACKER | 2001 |
|
RU2206710C2 |
| DEVICE FOR EXPOSING AND SIMULTANEOUS-SEPARATE OPERATION OF TWO GAS FORMATIONS | 1991 |
|
RU2017946C1 |
| DEVICE FOR SELECTIVE ISOLATION OF BED | 1998 |
|
RU2145661C1 |
| METHOD OF ISOLATING AN ABSORPTION ZONE IN A CONSTRUCTED WELL AND A DEVICE FOR CARRYING OUT INSULATION | 2020 |
|
RU2736742C1 |
| DEVICE FOR INVESTIGATING SEAM IN COURSE OF DRILLING | 0 |
|
SU653386A1 |
| DEVICE FOR EFFECTIVE ISOLATION OF PRODUCTIVE BED AT CEMENTATION OF OPERATING TUBES | 1995 |
|
RU2085704C1 |
| BLOWOUT LEADING DEVICE | 2001 |
|
RU2206709C2 |
| OVERFLOW VALVE OF DOWNHOLE MOTOR | 2009 |
|
RU2407876C1 |
