FIELD: oil and gas industry.
SUBSTANCE: invention is related to equipment used for oil production, and namely, to well expandable screens. The screen is comprised of a support tube with longitudinal slots cut evenly in the circumferential direction with a larger base faced inside and a lesser base faced outside. A swelling elastomer is placed to the slots, on top of the elastomer there are filtering rack brushes retractable outside when the elastomer is swelled out. The body shape of the rack brushes meets the shape of the longitudinal slot while the width of the body exceeds the width of the slot lesser base.
EFFECT: simplified construction, improved capacity of a submersible pump.
3 cl, 6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| WELL EXPANDABLE SCREEN | 2014 |
|
RU2559973C1 |
| EXPANDABLE WELL STRAINER | 2014 |
|
RU2564703C1 |
| DOWNHOLE BRUSH FILTER (VERSIONS) | 2015 |
|
RU2603868C1 |
| SELF-CLEANING WELL FILTER | 2016 |
|
RU2618248C1 |
| SLOT-TYPE FILTER | 2019 |
|
RU2715774C1 |
| BOREHOLE FILTER | 2018 |
|
RU2686229C1 |
| SUBMERSIBLE PUMPING UNIT | 2017 |
|
RU2663422C1 |
| DOWNHOLE SPLIT FILTER | 2012 |
|
RU2504643C1 |
| WELL EXPANDABLE SCREEN | 2013 |
|
RU2513929C1 |
| WELL FILTER (VERSIONS) | 2016 |
|
RU2630009C1 |
