FIELD: oil and gas industry.
SUBSTANCE: filter includes the carrying perforated pipe, internal and external slot array in form of longitudinally corrugated pipes with transverse slots at the shoulders, and bead packing in space between them. The packing contains discrete beads.
EFFECT: increased throughput capacity of the downhole filter.
2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| WELL EXPANDABLE SCREEN | 2013 |
|
RU2513929C1 |
| WELL FILTERING DEVICE | 2014 |
|
RU2543247C1 |
| DOWNHOLE FILTERING DEVICE | 2015 |
|
RU2602625C1 |
| METHOD OF REDUCING SAND PRODUCTION OF OIL WELLS | 2015 |
|
RU2604100C1 |
| EXPANDABLE WELL FILTER AND METHOD OF ITS INSTALLATION | 2016 |
|
RU2619615C1 |
| WELL STRAINER | 2012 |
|
RU2490431C1 |
| WELL STRAINER | 2010 |
|
RU2446274C2 |
| BOREHOLE APERTURE FILTER | 2012 |
|
RU2507384C2 |
| DOWNHOLE FILTERING DEVICE | 2014 |
|
RU2575370C1 |
| EXPANDABLE WELL FILTER | 2009 |
|
RU2408778C1 |
