NL344C - Diepboortoestel, waarbij de boorstangen door gewichten, veren of arbeidscylinders gedeeltelijk uitgebalanceerd zijn - Google Patents
Diepboortoestel, waarbij de boorstangen door gewichten, veren of arbeidscylinders gedeeltelijk uitgebalanceerd zijnInfo
- Publication number
- NL344C NL344C NL808A NL808A NL344C NL 344 C NL344 C NL 344C NL 808 A NL808 A NL 808A NL 808 A NL808 A NL 808A NL 344 C NL344 C NL 344C
- Authority
- NL
- Netherlands
- Prior art keywords
- weights
- springs
- drilling machine
- drill rods
- deep drilling
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
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
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE344X | 1912-05-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL344C true NL344C (nl) | 1914-10-01 |
Family
ID=1771677
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL808A NL344C (nl) | 1912-05-10 | 1912-07-20 | Diepboortoestel, waarbij de boorstangen door gewichten, veren of arbeidscylinders gedeeltelijk uitgebalanceerd zijn |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT68763B (nl) |
FR (1) | FR454175A (nl) |
NL (1) | NL344C (nl) |
-
1912
- 1912-07-20 NL NL808A patent/NL344C/nl active
-
1913
- 1913-02-10 AT AT68763D patent/AT68763B/de active
- 1913-02-10 FR FR454175A patent/FR454175A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR454175A (fr) | 1913-06-27 |
AT68763B (de) | 1915-05-25 |
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