DE8700041U1 - - Google Patents
Info
- Publication number
- DE8700041U1 DE8700041U1 DE8700041U DE8700041U DE8700041U1 DE 8700041 U1 DE8700041 U1 DE 8700041U1 DE 8700041 U DE8700041 U DE 8700041U DE 8700041 U DE8700041 U DE 8700041U DE 8700041 U1 DE8700041 U1 DE 8700041U1
- Authority
- DE
- Germany
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B31/00—Fishing for or freeing objects in boreholes or wells
- E21B31/12—Grappling tools, e.g. tongs or grabs
- E21B31/18—Grappling tools, e.g. tongs or grabs gripping externally, e.g. overshot
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
- E21B25/02—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors the core receiver being insertable into, or removable from, the borehole without withdrawing the drilling pipe
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Marine Sciences & Fisheries (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8700041U DE8700041U1 (da) | 1987-01-02 | 1987-01-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8700041U DE8700041U1 (da) | 1987-01-02 | 1987-01-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE8700041U1 true DE8700041U1 (da) | 1987-03-26 |
Family
ID=6803236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8700041U Expired DE8700041U1 (da) | 1987-01-02 | 1987-01-02 |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE8700041U1 (da) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009132645A2 (de) * | 2008-04-30 | 2009-11-05 | Universität Bremen | Hakenfänger |
| FR2987645A1 (fr) * | 2012-03-02 | 2013-09-06 | Technidrill | Pince de maintien constitutive d'un dispositif de verrouillage et/ou de deverrouillage d'une tete d'un outil, tel qu'un carottier |
-
1987
- 1987-01-02 DE DE8700041U patent/DE8700041U1/de not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009132645A2 (de) * | 2008-04-30 | 2009-11-05 | Universität Bremen | Hakenfänger |
| WO2009132645A3 (de) * | 2008-04-30 | 2010-01-07 | Universität Bremen | Hakenfänger |
| FR2987645A1 (fr) * | 2012-03-02 | 2013-09-06 | Technidrill | Pince de maintien constitutive d'un dispositif de verrouillage et/ou de deverrouillage d'une tete d'un outil, tel qu'un carottier |