FIELD: mining. SUBSTANCE: device has a column of pipes, rock disrupting tool and support seat for ball valve. Tail is provided with bushing with blades of elastic material, additional support seat for ball valve and reflector. The additional seat is placed in a passage for communication between hydromonitor extension and the tail, and the reflector is positioned on internal wall of the tail in interval the additional seat is positioned. EFFECT: effective material withdrawal. 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD TO WITHDRAW MINERAL RESOURCES FROM UNDERWATER FORMATIONS | 1990 |
|
RU2029870C1 |
| DOWNHOLE HYDRAULIC MONITOR UNIT | 0 |
|
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| METHOD OF EXTRACTION OF MINERALS FROM THICK UNDERGROUND FORMATIONS THROUGH HOLES AND DEVICE FOR ITS REALIZATION | 0 |
|
SU1710759A1 |
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|
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| AIRLIFT FOR PULP LIFTING | 1991 |
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| METHOD FOR HYDRAULIC MINING OF MINERALS | 1992 |
|
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| UNIT FOR MINING UNDERWATER FORMATIONS | 1991 |
|
RU2021512C1 |
| BOREHOLE HYDRAULIC UNIT | 0 |
|
SU1411474A1 |
| METHOD OF RECOVERING MATERIALS FROM UNDERGROUND FORMATIONS | 0 |
|
SU1352061A1 |
| DEVICE FOR DRILLING AND EXTRACTION OF UNDERGROUND FLUID | 0 |
|
SU1730455A2 |
