CA1055475A - Extracteur a venturi annulaire de geometrie variable pour la circulation sous vide dans un systeme de forage - Google Patents
Extracteur a venturi annulaire de geometrie variable pour la circulation sous vide dans un systeme de forageInfo
- Publication number
- CA1055475A CA1055475A CA243,358A CA243358A CA1055475A CA 1055475 A CA1055475 A CA 1055475A CA 243358 A CA243358 A CA 243358A CA 1055475 A CA1055475 A CA 1055475A
- Authority
- CA
- Canada
- Prior art keywords
- air
- drill
- vacuum
- nozzle
- eductor
- 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.)
- Expired
Links
- 238000005553 drilling Methods 0.000 title abstract description 10
- 230000001939 inductive effect Effects 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 17
- 239000012530 fluid Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- XDXHAEQXIBQUEZ-UHFFFAOYSA-N Ropinirole hydrochloride Chemical group Cl.CCCN(CCC)CCC1=CC=CC2=C1CC(=O)N2 XDXHAEQXIBQUEZ-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000003466 welding 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
- F04F5/465—Arrangements of nozzles with supersonic flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/48—Control
Landscapes
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Jet Pumps And Other Pumps (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55429275A | 1975-02-28 | 1975-02-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1055475A true CA1055475A (fr) | 1979-05-29 |
Family
ID=24212808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA243,358A Expired CA1055475A (fr) | 1975-02-28 | 1976-01-12 | Extracteur a venturi annulaire de geometrie variable pour la circulation sous vide dans un systeme de forage |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA1055475A (fr) |
DE (1) | DE2608204A1 (fr) |
FR (1) | FR2302427A1 (fr) |
NO (1) | NO760120L (fr) |
SE (1) | SE7602356L (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5320188A (en) * | 1990-09-05 | 1994-06-14 | England J Richard | Underground mining system |
-
1976
- 1976-01-12 CA CA243,358A patent/CA1055475A/fr not_active Expired
- 1976-01-14 NO NO760120A patent/NO760120L/no unknown
- 1976-02-25 SE SE7602356A patent/SE7602356L/xx unknown
- 1976-02-25 DE DE19762608204 patent/DE2608204A1/de active Pending
- 1976-02-26 FR FR7605364A patent/FR2302427A1/fr active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5320188A (en) * | 1990-09-05 | 1994-06-14 | England J Richard | Underground mining system |
Also Published As
Publication number | Publication date |
---|---|
FR2302427A1 (fr) | 1976-09-24 |
SE7602356L (sv) | 1976-08-30 |
FR2302427B3 (fr) | 1978-11-17 |
DE2608204A1 (de) | 1976-09-09 |
NO760120L (fr) | 1976-08-31 |
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