FR2271378A1 - Downhole turbodrill with low and high speed turbines - only part of the mud passing through the high speed turbine - Google Patents
Downhole turbodrill with low and high speed turbines - only part of the mud passing through the high speed turbineInfo
- Publication number
- FR2271378A1 FR2271378A1 FR7417082A FR7417082A FR2271378A1 FR 2271378 A1 FR2271378 A1 FR 2271378A1 FR 7417082 A FR7417082 A FR 7417082A FR 7417082 A FR7417082 A FR 7417082A FR 2271378 A1 FR2271378 A1 FR 2271378A1
- Authority
- FR
- France
- Prior art keywords
- high speed
- turbodrill
- downhole
- speed turbine
- turbine
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/02—Fluid rotary type drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/02—Adaptations for drilling wells
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7417082A FR2271378A1 (en) | 1974-05-16 | 1974-05-16 | Downhole turbodrill with low and high speed turbines - only part of the mud passing through the high speed turbine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7417082A FR2271378A1 (en) | 1974-05-16 | 1974-05-16 | Downhole turbodrill with low and high speed turbines - only part of the mud passing through the high speed turbine |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2271378A1 true FR2271378A1 (en) | 1975-12-12 |
FR2271378B1 FR2271378B1 (fr) | 1978-08-04 |
Family
ID=9138950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7417082A Granted FR2271378A1 (en) | 1974-05-16 | 1974-05-16 | Downhole turbodrill with low and high speed turbines - only part of the mud passing through the high speed turbine |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2271378A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023105022A1 (fr) | 2021-12-10 | 2023-06-15 | L'oreal | Composition comprenant deux précurseurs particuliers de colorant d'oxydation et une silicone aminée particulière |
-
1974
- 1974-05-16 FR FR7417082A patent/FR2271378A1/fr active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023105022A1 (fr) | 2021-12-10 | 2023-06-15 | L'oreal | Composition comprenant deux précurseurs particuliers de colorant d'oxydation et une silicone aminée particulière |
Also Published As
Publication number | Publication date |
---|---|
FR2271378B1 (fr) | 1978-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |