DD217682A3 - Doppelrohrbohrgestaenge mit gewindeverbindung - Google Patents
Doppelrohrbohrgestaenge mit gewindeverbindung Download PDFInfo
- Publication number
- DD217682A3 DD217682A3 DD23608681A DD23608681A DD217682A3 DD 217682 A3 DD217682 A3 DD 217682A3 DD 23608681 A DD23608681 A DD 23608681A DD 23608681 A DD23608681 A DD 23608681A DD 217682 A3 DD217682 A3 DD 217682A3
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- outer tube
- threaded connection
- connector
- connector parts
- inner tube
- Prior art date
Links
- 238000003466 welding Methods 0.000 claims abstract description 6
- 238000011010 flushing procedure Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005553 drilling Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 239000013049 sediment Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Earth Drilling (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD23608681A DD217682A3 (de) | 1981-12-22 | 1981-12-22 | Doppelrohrbohrgestaenge mit gewindeverbindung |
| CS828210A CS258407B1 (en) | 1981-12-22 | 1982-11-18 | Double boring core barrel with threaded connection |
| HU412982A HU190481B (en) | 1981-12-22 | 1982-12-22 | Double-walled boring bar with bolted joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD23608681A DD217682A3 (de) | 1981-12-22 | 1981-12-22 | Doppelrohrbohrgestaenge mit gewindeverbindung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD217682A3 true DD217682A3 (de) | 1985-01-16 |
Family
ID=5535678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD23608681A DD217682A3 (de) | 1981-12-22 | 1981-12-22 | Doppelrohrbohrgestaenge mit gewindeverbindung |
Country Status (3)
| Country | Link |
|---|---|
| CS (1) | CS258407B1 (cs) |
| DD (1) | DD217682A3 (cs) |
| HU (1) | HU190481B (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19718897A1 (de) * | 1997-05-03 | 1998-11-05 | Pumpenboese Stahl Gmbh & Co Kg | Doppelwandgestänge für das Herstellen von geologischen Bohrungen |
-
1981
- 1981-12-22 DD DD23608681A patent/DD217682A3/de not_active IP Right Cessation
-
1982
- 1982-11-18 CS CS828210A patent/CS258407B1/cs unknown
- 1982-12-22 HU HU412982A patent/HU190481B/hu unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19718897A1 (de) * | 1997-05-03 | 1998-11-05 | Pumpenboese Stahl Gmbh & Co Kg | Doppelwandgestänge für das Herstellen von geologischen Bohrungen |
Also Published As
| Publication number | Publication date |
|---|---|
| CS258407B1 (en) | 1988-08-16 |
| CS821082A1 (en) | 1985-06-13 |
| HU190481B (en) | 1986-09-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |