NL7116753A - - Google Patents

Info

Publication number
NL7116753A
NL7116753A NL7116753A NL7116753A NL7116753A NL 7116753 A NL7116753 A NL 7116753A NL 7116753 A NL7116753 A NL 7116753A NL 7116753 A NL7116753 A NL 7116753A NL 7116753 A NL7116753 A NL 7116753A
Authority
NL
Netherlands
Application number
NL7116753A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of NL7116753A publication Critical patent/NL7116753A/xx

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)
NL7116753A 1970-12-10 1971-12-06 NL7116753A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7044559A FR2117726B1 (enrdf_load_stackoverflow) 1970-12-10 1970-12-10

Publications (1)

Publication Number Publication Date
NL7116753A true NL7116753A (enrdf_load_stackoverflow) 1972-06-13

Family

ID=9065569

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7116753A NL7116753A (enrdf_load_stackoverflow) 1970-12-10 1971-12-06

Country Status (9)

Country Link
AU (1) AU469577B2 (enrdf_load_stackoverflow)
BE (1) BE776440A (enrdf_load_stackoverflow)
CA (1) CA946709A (enrdf_load_stackoverflow)
DD (1) DD96092A5 (enrdf_load_stackoverflow)
DE (1) DE2161353C2 (enrdf_load_stackoverflow)
FR (1) FR2117726B1 (enrdf_load_stackoverflow)
GB (1) GB1323788A (enrdf_load_stackoverflow)
IT (1) IT943804B (enrdf_load_stackoverflow)
NL (1) NL7116753A (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
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
AU2010286834B2 (en) 2009-08-31 2015-06-04 Alcon Inc. Pneumatic pressure output control by drive valve duty cycle calibration
US8666556B2 (en) 2009-12-10 2014-03-04 Alcon Research, Ltd. Systems and methods for dynamic feedforward
US8728108B2 (en) 2009-12-10 2014-05-20 Alcon Research, Ltd. Systems and methods for dynamic pneumatic valve driver
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DD96092A5 (enrdf_load_stackoverflow) 1973-03-05
FR2117726B1 (enrdf_load_stackoverflow) 1973-12-07
AU469577B2 (en) 1976-02-19
BE776440A (fr) 1972-04-04
DE2161353C2 (de) 1982-07-08
IT943804B (it) 1973-04-10
FR2117726A1 (enrdf_load_stackoverflow) 1972-07-28
GB1323788A (en) 1973-07-18
AU3667571A (en) 1973-06-14
CA946709A (en) 1974-05-07
DE2161353A1 (de) 1972-06-22

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
BI The patent application has been withdrawn