AT64717B - Device for shutting off water in boreholes. - Google Patents
Device for shutting off water in boreholes.Info
- Publication number
- AT64717B AT64717B AT64717DA AT64717B AT 64717 B AT64717 B AT 64717B AT 64717D A AT64717D A AT 64717DA AT 64717 B AT64717 B AT 64717B
- Authority
- AT
- Austria
- Prior art keywords
- borehole
- packing
- boreholes
- pulled
- wall
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 4
- 238000012856 packing Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Description
<Desc/Clms Page number 1>
Einrichtung zur Wasserabsperrung in Bohrlöchern.
Die bisher gebräuchlichen, aus Manilafasern, rohem Fell, Leinwand oder dgl. hergestellten Packungen zur Wasserabsperrung in Bohrlöchern werden mit der zugehörigen, hermetischen Rohrkolonne bis zur gewünschten Tiefe eingebaut, worauf die Rohrkolonne hochgezogen wird, damit die Packung sich in dem Bohrloch verbreitert und dieses abdichtet, indem die Oberkante der Packung auf vorspringende Unebenheiten der Bohrlochwandung stösst, welche die weitere Aufwärtsbewegung der Packung verhindern und dabei deren Verbreiterung herbeiführen. Infolgedessen ist die Stelle, an welcher die Abdichtung des Bohrloches erfolgt, vom Zufall abhängig.
Dieser Übelstand wird gemäss vorliegender Erfindung dadurch vermieden, dass oberhalb der üblichen Packung ein an dem hermetischen Rohr längsverschiebbarer Ring mit seitlich abstehenden, federnden Flügeln angeordnet ist. welche beim Emporziehen der Rohrkolonne in die Wandung des Bohrloches eindringen, so dass durch den nun im Bohrloch festgestellten Ring beim weiteren Emporziehen der Rohrkolonne die Packung zusammengedrückt und bis zum dichten Anliegen an die Bohrlochwandung verbreitert wird.
EMI1.1
im Längsschnitte.
Das hermetische Rohr a ist mit der üblichen Packung b versehen und wird von einem
EMI1.2
an die Bohrlochwandung dicht anlegt.
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Device for shutting off water in boreholes.
The previously used packings made of manila fibers, raw fur, canvas or the like for blocking water in boreholes are installed with the associated, hermetic tubular column to the desired depth, whereupon the tubular column is pulled up so that the packing widens in the borehole and seals it by the upper edge of the packing encounters protruding unevenness of the borehole wall, which prevent the further upward movement of the packing and thereby cause it to widen. As a result, the location at which the borehole is sealed depends on chance.
According to the present invention, this inconvenience is avoided in that a ring which is longitudinally displaceable on the hermetic tube and has laterally protruding, resilient wings is arranged above the usual packing. which penetrate into the wall of the borehole when the tubular column is pulled up, so that the packing is compressed by the ring now fixed in the borehole as the tubular column is pulled up further and widened until it lies tightly against the borehole wall.
EMI1.1
in longitudinal sections.
The hermetic tube a is provided with the usual packing b and is of a
EMI1.2
rests tightly against the borehole wall.
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT64717T | 1913-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT64717B true AT64717B (en) | 1914-05-11 |
Family
ID=3586651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT64717D AT64717B (en) | 1913-05-09 | 1913-05-09 | Device for shutting off water in boreholes. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT64717B (en) |
-
1913
- 1913-05-09 AT AT64717D patent/AT64717B/en active
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