FIELD: oil industry.
SUBSTANCE: pump has liquid plunger of heavy liquid, receiving pipe, mounted coaxially relatively to cylinder of down-pump and improved valve assembly. As heavy liquid solution of zinc bromide - calcium bromide is used.
EFFECT: higher reliability.
6 cl, 3 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PROCESS OF FLUID LIFTING FROM WELL | 2002 |
|
RU2232260C2 |
| 0 |
|
SU1781457A1 | |
| DEVICE FOR OIL PRODUCTION WITH DOWNHOLE SEPARATION | 2014 |
|
RU2575856C2 |
| ROD PUMPING UNIT FOR DOWNHOLE LOCAL WATER PUMPING | 2007 |
|
RU2354848C1 |
| DOWNHOLE PUMPING UNIT FOR PIPELESS WELL OPERATION | 2022 |
|
RU2798647C1 |
| BOREHOLE PUMP UNIT FOR SIMULTANEOUS OPERATION OF TWO BEDS WITH GAS BYPASS FROM UNDER PARKER SPACE (VERSIONS) | 2011 |
|
RU2464413C1 |
| METHOD OF RECOVERY OF WELL PRODUCTS AND DEEP-WELL PUMPING DEVICES FOR METHOD EMBODIMENT (VERSIONS) | 1999 |
|
RU2189433C2 |
| GAS SEPARATOR OF INSERT OIL-WELL PUMP | 2006 |
|
RU2312985C1 |
| METHOD OF LIFTING WELL FLUID AND COMBINED WELL LIFT FOR REALIZATION OF THIS METHOD | 1999 |
|
RU2160853C1 |
| SUCKER ROD PUMPING UNIT FOR HIGH-YIELD WELLS UNDER CONDITIONS OF HIGH GAS FACTOR | 2023 |
|
RU2812377C1 |
