DE240867C - - Google Patents
Info
- Publication number
- DE240867C DE240867C DENDAT240867D DE240867DA DE240867C DE 240867 C DE240867 C DE 240867C DE NDAT240867 D DENDAT240867 D DE NDAT240867D DE 240867D A DE240867D A DE 240867DA DE 240867 C DE240867 C DE 240867C
- Authority
- DE
- Germany
- Prior art keywords
- drill
- gas
- pipe
- drill pipe
- drilling
- 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
- 238000005553 drilling Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 239000003345 natural gas Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 239000010779 crude oil Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000947840 Alteromonadales Species 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000001681 protective effect Effects 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
- E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves
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)
- Pipe Accessories (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE240867C true DE240867C (https=) |
Family
ID=500203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT240867D Active DE240867C (https=) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE240867C (https=) |
-
0
- DE DENDAT240867D patent/DE240867C/de active Active
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