DE137648C - - Google Patents
Info
- Publication number
- DE137648C DE137648C DENDAT137648D DE137648DA DE137648C DE 137648 C DE137648 C DE 137648C DE NDAT137648 D DENDAT137648 D DE NDAT137648D DE 137648D A DE137648D A DE 137648DA DE 137648 C DE137648 C DE 137648C
- Authority
- DE
- Germany
- Prior art keywords
- drill collar
- rope
- connection
- pipe
- rods
- Prior art date
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005553 drilling Methods 0.000 claims 1
- 230000002028 premature Effects 0.000 description 2
- 239000000872 buffer Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/16—Drill collars
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE137648C true DE137648C (enExample) |
Family
ID=405513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT137648D Active DE137648C (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE137648C (enExample) |
-
0
- DE DENDAT137648D patent/DE137648C/de active Active
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