FIELD: oil and gas industry.
SUBSTANCE: device consists of a support tube with a number of longitudinal cuts, draining and filtering metal meshes. The meshes are corrugated longitudinally and placed with a gap in-between which is filled with granular filling. Perimeter of the filtering mesh in cross section is equal to perimeter of the well borehole.
EFFECT: improving reliability, fineness of filtering and service life of the screen.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DOWNHOLE FILTER | 2014 |
|
RU2574748C2 |
| WELL EXPANDABLE SCREEN | 2014 |
|
RU2559973C1 |
| WELL EXPANDABLE SCREEN | 2014 |
|
RU2557273C1 |
| EXPANDABLE WELL FILTER AND METHOD OF ITS INSTALLATION | 2016 |
|
RU2619615C1 |
| EXPANDABLE WELL STRAINER | 2014 |
|
RU2564703C1 |
| DOWNHOLE BRUSH FILTER (VERSIONS) | 2015 |
|
RU2603868C1 |
| DOWNHOLE SPLIT FILTER | 2012 |
|
RU2504643C1 |
| WELL SCREEN | 2010 |
|
RU2433251C1 |
| WELL STRAINER | 2012 |
|
RU2499130C1 |
| WELL STRAINER | 2011 |
|
RU2473787C1 |
