FIELD: oil and gas industry.
SUBSTANCE: filter consists of circular water intake openings in annular recesses along the entire length of the ray and is installed at depths, while it also serves as a drill string. Water inlets are covered with a stainless steel supporting mesh, mineral fibre geotextiles. The rays are located at an angle to the front of the drained section.
EFFECT: improvement of the quality of territory drainage works.
2 dwg
| Title | Year | Author | Number |
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| WELL FILTER OF RADIAL DRAINAGE FOR DRYING ALONGSLOPE AREAS | 2016 |
|
RU2632866C1 |
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| WATER WELL | 0 |
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| HIGH PERMEABILITY HOLE FILTER | 2000 |
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| FILTER FOR ASCENDING DRAINAGE WELLS | 0 |
|
SU1245686A1 |
