DE192753C - - Google Patents
Info
- Publication number
- DE192753C DE192753C DENDAT192753D DE192753DA DE192753C DE 192753 C DE192753 C DE 192753C DE NDAT192753 D DENDAT192753 D DE NDAT192753D DE 192753D A DE192753D A DE 192753DA DE 192753 C DE192753 C DE 192753C
- Authority
- DE
- Germany
- Prior art keywords
- extension
- cylinder
- chisels
- chisel
- bit
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 claims 1
- 241000947840 Alteromonadales Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005553 drilling 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
- 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
- E21B10/322—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 cutter shifted by fluid pressure
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 |
|---|---|
| DE192753C true DE192753C (ru) |
Family
ID=456047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT192753D Active DE192753C (ru) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE192753C (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2740508A1 (fr) * | 1995-10-31 | 1997-04-30 | Elf Aquitaine | Stabilisateur realeseur pour le forage d'un puits petrolier |
-
0
- DE DENDAT192753D patent/DE192753C/de active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2740508A1 (fr) * | 1995-10-31 | 1997-04-30 | Elf Aquitaine | Stabilisateur realeseur pour le forage d'un puits petrolier |
| EP0771932A1 (fr) * | 1995-10-31 | 1997-05-07 | Elf Aquitaine Production | Stabilisateur réaléseur pour le forage de puits pétroliers |
| US5788000A (en) * | 1995-10-31 | 1998-08-04 | Elf Aquitaine Production | Stabilizer-reamer for drilling an oil well |
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