NO760008L - - Google Patents
Info
- Publication number
- NO760008L NO760008L NO760008A NO760008A NO760008L NO 760008 L NO760008 L NO 760008L NO 760008 A NO760008 A NO 760008A NO 760008 A NO760008 A NO 760008A NO 760008 L NO760008 L NO 760008L
- Authority
- NO
- Norway
- Prior art keywords
- drill bit
- nozzle
- drilling
- main part
- cutters
- Prior art date
Links
- 238000005553 drilling Methods 0.000 claims description 56
- 239000012530 fluid Substances 0.000 claims description 17
- 238000005520 cutting process Methods 0.000 description 34
- 230000015572 biosynthetic process Effects 0.000 description 16
- 238000005755 formation reaction Methods 0.000 description 16
- 239000002245 particle Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000004181 pedogenesis Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 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
- E21B10/08—Roller bits
- E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
-
- 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
- E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
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 |
|---|---|---|---|
| US55078275A | 1975-02-18 | 1975-02-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO760008L true NO760008L (de) | 1976-08-19 |
Family
ID=24198547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO760008A NO760008L (de) | 1975-02-18 | 1976-01-02 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2606712A1 (de) |
| FR (1) | FR2301680A1 (de) |
| NO (1) | NO760008L (de) |
| SE (1) | SE7601187L (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4687067A (en) * | 1986-05-01 | 1987-08-18 | Smith International, Inc. | Crossflow rotary cone rock bit with extended nozzles |
-
1976
- 1976-01-02 NO NO760008A patent/NO760008L/no unknown
- 1976-02-04 SE SE7601187A patent/SE7601187L/xx unknown
- 1976-02-16 FR FR7604158A patent/FR2301680A1/fr not_active Withdrawn
- 1976-02-17 DE DE19762606712 patent/DE2606712A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2606712A1 (de) | 1976-08-19 |
| SE7601187L (sv) | 1976-08-19 |
| FR2301680A1 (fr) | 1976-09-17 |
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