DE205458C - - Google Patents
Info
- Publication number
- DE205458C DE205458C DENDAT205458D DE205458DA DE205458C DE 205458 C DE205458 C DE 205458C DE NDAT205458 D DENDAT205458 D DE NDAT205458D DE 205458D A DE205458D A DE 205458DA DE 205458 C DE205458 C DE 205458C
- Authority
- DE
- Germany
- Prior art keywords
- sleeve
- cutting
- extension
- cutting jaws
- pressure
- 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
- 238000013459 approach Methods 0.000 claims 1
- 210000001331 nose Anatomy 0.000 description 2
- 241000947840 Alteromonadales Species 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
- E21B10/325—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools the cutter being shifted by a spring mechanism
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)
- Drilling Tools (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE205458C true DE205458C (cg-RX-API-DMAC10.html) |
Family
ID=467702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT205458D Active DE205458C (cg-RX-API-DMAC10.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE205458C (cg-RX-API-DMAC10.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005046495B4 (de) * | 2005-09-29 | 2015-07-30 | Minova International Ltd. | Bohrvorrichtung zur Erstellung verrohrter Bohrlöcher |
-
0
- DE DENDAT205458D patent/DE205458C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005046495B4 (de) * | 2005-09-29 | 2015-07-30 | Minova International Ltd. | Bohrvorrichtung zur Erstellung verrohrter Bohrlöcher |
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