DE8707131U1 - - Google Patents
Info
- Publication number
- DE8707131U1 DE8707131U1 DE8707131U DE8707131U DE8707131U1 DE 8707131 U1 DE8707131 U1 DE 8707131U1 DE 8707131 U DE8707131 U DE 8707131U DE 8707131 U DE8707131 U DE 8707131U DE 8707131 U1 DE8707131 U1 DE 8707131U1
- 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
- E21B3/025—Surface drives for rotary drilling with a to-and-fro rotation of the tool
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8707131U DE8707131U1 (de) | 1987-05-18 | 1987-05-18 | |
| DE3809613A DE3809613C2 (de) | 1987-05-18 | 1988-03-22 | Einrichtung zur Anbringung einer Verrohrungsmaschine an einem Fahrzeug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8707131U DE8707131U1 (de) | 1987-05-18 | 1987-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE8707131U1 true DE8707131U1 (de) | 1987-10-01 |
Family
ID=6808193
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE8707131U Expired DE8707131U1 (de) | 1987-05-18 | 1987-05-18 | |
| DE3809613A Expired - Fee Related DE3809613C2 (de) | 1987-05-18 | 1988-03-22 | Einrichtung zur Anbringung einer Verrohrungsmaschine an einem Fahrzeug |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE3809613A Expired - Fee Related DE3809613C2 (de) | 1987-05-18 | 1988-03-22 | Einrichtung zur Anbringung einer Verrohrungsmaschine an einem Fahrzeug |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE8707131U1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19509379A1 (de) * | 1995-03-15 | 1996-09-19 | Fromme Theo Dipl Ing Fh | Hydraulische Verrohrungsmaschine als Anbaugerät für eine mobile Drehbohranlage |
| CN106958230A (zh) * | 2017-05-19 | 2017-07-18 | 山西省水利建筑工程局 | 土坝下游坝坡u型排水渠开挖及衬砌装置 |
-
1987
- 1987-05-18 DE DE8707131U patent/DE8707131U1/de not_active Expired
-
1988
- 1988-03-22 DE DE3809613A patent/DE3809613C2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE3809613C2 (de) | 1994-11-17 |
| DE3809613A1 (de) | 1988-12-08 |