FR2117726B1 - - Google Patents
Info
- Publication number
- FR2117726B1 FR2117726B1 FR7044559A FR7044559A FR2117726B1 FR 2117726 B1 FR2117726 B1 FR 2117726B1 FR 7044559 A FR7044559 A FR 7044559A FR 7044559 A FR7044559 A FR 7044559A FR 2117726 B1 FR2117726 B1 FR 2117726B1
- Authority
- FR
- France
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/18—Combined units comprising both motor and pump
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
- E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
- E21B47/24—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry by positive mud pulses using a flow restricting valve within the drill pipe
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Engineering & Computer Science (AREA)
- Geophysics (AREA)
- Remote Sensing (AREA)
- Environmental & Geological Engineering (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Fluid-Pressure Circuits (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7044559A FR2117726B1 (zh) | 1970-12-10 | 1970-12-10 | |
NL7116753A NL7116753A (zh) | 1970-12-10 | 1971-12-06 | |
DD159463A DD96092A5 (zh) | 1970-12-10 | 1971-12-09 | |
CA129,798*7A CA946709A (en) | 1970-12-10 | 1971-12-09 | Dispositif a commande hydraulique pour la modulation du courant de boue au fond d'un puits en forage |
BE776440A BE776440A (fr) | 1970-12-10 | 1971-12-09 | Dispositif a commande hydraulique pour la modulation du courantde boue au fond d'un puits en forage |
AU36675/71A AU469577B2 (en) | 1970-12-10 | 1971-12-09 | Improvements in and relating to hydraulically controlled systems for modulating the fluid flow atthe bottom ofa drilling well |
DE2161353A DE2161353C2 (de) | 1970-12-10 | 1971-12-10 | Vorrichtung zur Übertragung von Meßwerten aus einem Bohrloch mittels der Bohrspülung |
GB5748671A GB1323788A (en) | 1970-12-10 | 1971-12-10 | Hydraulically controlled systems for modulating the fluid flow at the bottom of a drilling well |
IT32193/71A IT943804B (it) | 1970-12-10 | 1971-12-10 | Dispositivo a comando idraulico per la modulazione della corrente di fango sul fondo di un pozzo di perforazione |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7044559A FR2117726B1 (zh) | 1970-12-10 | 1970-12-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2117726A1 FR2117726A1 (zh) | 1972-07-28 |
FR2117726B1 true FR2117726B1 (zh) | 1973-12-07 |
Family
ID=9065569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7044559A Expired FR2117726B1 (zh) | 1970-12-10 | 1970-12-10 |
Country Status (9)
Country | Link |
---|---|
AU (1) | AU469577B2 (zh) |
BE (1) | BE776440A (zh) |
CA (1) | CA946709A (zh) |
DD (1) | DD96092A5 (zh) |
DE (1) | DE2161353C2 (zh) |
FR (1) | FR2117726B1 (zh) |
GB (1) | GB1323788A (zh) |
IT (1) | IT943804B (zh) |
NL (1) | NL7116753A (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4047591A (en) * | 1975-04-03 | 1977-09-13 | Texas Instruments Incorporated | Air gun monitoring and synchronizing method and apparatus |
CA1124228A (en) * | 1977-12-05 | 1982-05-25 | Serge A. Scherbatskoy | Systems, apparatus and methods for measuring while drilling |
US4371958A (en) * | 1978-03-27 | 1983-02-01 | Claycomb Jack R | Drilling orientation tool |
FR2470850A1 (fr) * | 1979-12-06 | 1981-06-12 | Dresser Ind | Appareil de mesure et de transmission destine a etre utilise dans un train de tiges de forages |
NO154674C (no) * | 1980-11-20 | 1987-01-07 | Sperry Sun Inc | Innretning for signalering i et borehull under boring. |
GB2123458B (en) * | 1982-07-10 | 1985-11-06 | Sperry Sun Inc | Improvements in or relating to apparatus for signalling within a borehole while drilling |
DE3531226A1 (de) * | 1985-08-31 | 1987-03-19 | Schwing Hydraulik Elektronik | Vorrichtung, insbesondere fuer den einsatz unter tage zur fernuebertragung von informationen aus einem bohrloch |
US8080029B2 (en) | 2007-09-21 | 2011-12-20 | Novartis Ag | System for actuation of a vitreous cutter |
CN102497841B (zh) | 2009-08-31 | 2014-12-10 | 爱尔康研究有限公司 | 通过驱动阀占空比校准进行的气动压力输出控制 |
WO2011071655A1 (en) | 2009-12-10 | 2011-06-16 | Alcon Research, Ltd. | Systems and methods for dynamic pneumatic valve driver |
US8666556B2 (en) | 2009-12-10 | 2014-03-04 | Alcon Research, Ltd. | Systems and methods for dynamic feedforward |
US8821524B2 (en) | 2010-05-27 | 2014-09-02 | Alcon Research, Ltd. | Feedback control of on/off pneumatic actuators |
US8808318B2 (en) | 2011-02-28 | 2014-08-19 | Alcon Research, Ltd. | Surgical probe with increased fluid flow |
US9060841B2 (en) | 2011-08-31 | 2015-06-23 | Alcon Research, Ltd. | Enhanced flow vitrectomy probe |
US10070990B2 (en) | 2011-12-08 | 2018-09-11 | Alcon Research, Ltd. | Optimized pneumatic drive lines |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2787759A (en) * | 1950-08-31 | 1957-04-02 | Jan J Arps | Apparatus for logging wells |
US2759143A (en) * | 1954-07-14 | 1956-08-14 | Jan J Arps | Earth borehole investigation-signaling system |
US2964116A (en) * | 1955-05-26 | 1960-12-13 | Dresser Ind | Signaling system |
US2898088A (en) * | 1958-02-10 | 1959-08-04 | Dresser Ind | Earth borehole logging system |
US3255353A (en) * | 1962-12-21 | 1966-06-07 | Serge A Scherbatskoy | Apparatus for nuclear well logging while drilling |
FR1361337A (fr) * | 1963-01-25 | 1964-05-22 | Perfectionnements aux distributeurs de commande de vérins hydrauliques et vérins munis de ces distributeurs | |
US3302457A (en) * | 1964-06-02 | 1967-02-07 | Sun Oil Co | Method and apparatus for telemetering in a bore hole by changing drilling mud pressure |
FR1442527A (fr) * | 1965-05-07 | 1966-06-17 | Rech Etudes Prod | Transducteur-amplificateur électro-hydraulique à pluralité d'entrées de commande |
US3485255A (en) * | 1966-05-02 | 1969-12-23 | Ltv Electrosystems Inc | Fixed jet servo valve |
FR1530073A (fr) * | 1966-06-30 | 1968-06-21 | Itt | Dispositif de commande hydraulique |
US3424183A (en) * | 1967-03-15 | 1969-01-28 | Abex Corp | Solenoid controlled servovalve with lineal output |
-
1970
- 1970-12-10 FR FR7044559A patent/FR2117726B1/fr not_active Expired
-
1971
- 1971-12-06 NL NL7116753A patent/NL7116753A/xx not_active Application Discontinuation
- 1971-12-09 BE BE776440A patent/BE776440A/xx not_active IP Right Cessation
- 1971-12-09 DD DD159463A patent/DD96092A5/xx unknown
- 1971-12-09 CA CA129,798*7A patent/CA946709A/en not_active Expired
- 1971-12-09 AU AU36675/71A patent/AU469577B2/en not_active Expired
- 1971-12-10 GB GB5748671A patent/GB1323788A/en not_active Expired
- 1971-12-10 DE DE2161353A patent/DE2161353C2/de not_active Expired
- 1971-12-10 IT IT32193/71A patent/IT943804B/it active
Also Published As
Publication number | Publication date |
---|---|
DE2161353A1 (de) | 1972-06-22 |
AU469577B2 (en) | 1976-02-19 |
AU3667571A (en) | 1973-06-14 |
DE2161353C2 (de) | 1982-07-08 |
IT943804B (it) | 1973-04-10 |
DD96092A5 (zh) | 1973-03-05 |
FR2117726A1 (zh) | 1972-07-28 |
CA946709A (en) | 1974-05-07 |
GB1323788A (en) | 1973-07-18 |
NL7116753A (zh) | 1972-06-13 |
BE776440A (fr) | 1972-04-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |