FIELD: oil-and-gas production.
SUBSTANCE: invention related mining industry, particularly to oil-and-gas production and can be used in oil fields development. Well filter with a low hydraulic friction consists of nipple and sleeve parts and filtrating element as it case. Filtrating element executed as a slot made of welded metal construction consisting of ribs located along the axis, to which crossed shaped wire welded around with a gap, executed as a triangle with rounded angles. In the way that ratio of ribs height and the crossed shaped ware is in range of 1.0…10.
EFFECT: well filter design simplification and cost cutting.
2 cl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SLOTTED FILTER WITH WIRED FILTRATING ELEMENT | 2008 |
|
RU2378494C1 |
| BOREHOLE APERTURE FILTER | 2012 |
|
RU2507384C2 |
| SLOT-TYPE WELL STRAINER | 2010 |
|
RU2446275C1 |
| MULTIPURPOSE WELL SCREEN | 2007 |
|
RU2364709C2 |
| WELL TYPESET FILTER | 2008 |
|
RU2374432C2 |
| COMBINED WELL SCREEN | 2007 |
|
RU2359109C2 |
| DEVICE TO FABRICATE FILTRATION ELEMENT OF EDGE FILTER | 2008 |
|
RU2394662C1 |
| DEMOUNTABLE WELL SCREEN | 2007 |
|
RU2348795C1 |
| WELL FILTER AND ITS MANUFACTURING METHOD | 2007 |
|
RU2347891C2 |
| WELL FILTER | 2007 |
|
RU2347890C2 |
