NO744434L - - Google Patents
Info
- Publication number
- NO744434L NO744434L NO744434A NO744434A NO744434L NO 744434 L NO744434 L NO 744434L NO 744434 A NO744434 A NO 744434A NO 744434 A NO744434 A NO 744434A NO 744434 L NO744434 L NO 744434L
- Authority
- NO
- Norway
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
- E21B19/164—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe motor actuated
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Automatic Assembly (AREA)
- Gear Transmission (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
- Saccharide Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732362106 DE2362106C3 (de) | 1973-12-14 | Rohrzange, insbesondere zum Verdrehen von Futterrohren für Bohrlöcher |
Publications (3)
Publication Number | Publication Date |
---|---|
NO744434L true NO744434L (es) | 1975-07-14 |
NO141906B NO141906B (no) | 1980-02-18 |
NO141906C NO141906C (no) | 1980-05-28 |
Family
ID=5900697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO744434A NO141906C (no) | 1973-12-14 | 1974-12-09 | Roertang. |
Country Status (1)
Country | Link |
---|---|
NO (1) | NO141906C (es) |
-
1974
- 1974-12-09 NO NO744434A patent/NO141906C/no unknown
Also Published As
Publication number | Publication date |
---|---|
NO141906B (no) | 1980-02-18 |
DE2362106A1 (de) | 1975-06-26 |
DE2362106B2 (de) | 1975-10-16 |
NO141906C (no) | 1980-05-28 |