FIELD: oil and gas industry.
SUBSTANCE: device comprises a support tube, swelling elastomeric shell surrounding it with open longitudinal slots distributed evenly in circumference with cases of screening rack brushes deepened into the above slots with radially oriented bundles of bristles. Brush cases are completed along the whole length with longitudinal flanged edges overlapping cylindrical surface of the elastomeric shell.
EFFECT: simplified structure of the screen and well development by it, increased lifetime of submersible pump due to pumping of formation fluid treated from rock particles.
2 cl, 6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| WELL EXPANDABLE SCREEN | 2014 |
|
RU2557273C1 |
| EXPANDABLE WELL STRAINER | 2014 |
|
RU2564703C1 |
| DOWNHOLE BRUSH FILTER (VERSIONS) | 2015 |
|
RU2603868C1 |
| WELL EXPANDABLE SCREEN | 2013 |
|
RU2513929C1 |
| SELF-CLEANING WELL FILTER | 2016 |
|
RU2618248C1 |
| BOREHOLE FILTER | 2018 |
|
RU2686229C1 |
| SLOT-TYPE FILTER | 2019 |
|
RU2715774C1 |
| DOWNHOLE SPLIT FILTER | 2012 |
|
RU2504643C1 |
| SUBMERSIBLE PUMPING UNIT | 2017 |
|
RU2663422C1 |
| WELL FILTER (VERSIONS) | 2016 |
|
RU2630009C1 |
