AU3667571A - Improvements in and relating to hydraulically controlled systems for modulating the fluid flow atthe bottom ofa drilling well - Google Patents

Improvements in and relating to hydraulically controlled systems for modulating the fluid flow atthe bottom ofa drilling well

Info

Publication number
AU3667571A
AU3667571A AU36675/71A AU3667571A AU3667571A AU 3667571 A AU3667571 A AU 3667571A AU 36675/71 A AU36675/71 A AU 36675/71A AU 3667571 A AU3667571 A AU 3667571A AU 3667571 A AU3667571 A AU 3667571A
Authority
AU
Australia
Prior art keywords
modulating
relating
fluid flow
drilling well
hydraulically controlled
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
Application number
AU36675/71A
Other versions
AU469577B2 (en
Inventor
Le Peuvedic Claude Quichaud Jeanpierre
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe Nationale des Petroles dAquitaine SA
Original Assignee
Societe Nationale des Petroles dAquitaine SA
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 by Societe Nationale des Petroles dAquitaine SA filed Critical Societe Nationale des Petroles dAquitaine SA
Publication of AU3667571A publication Critical patent/AU3667571A/en
Application granted granted Critical
Publication of AU469577B2 publication Critical patent/AU469577B2/en
Expired legal-status Critical Current

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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
AU36675/71A 1970-12-10 1971-12-09 Improvements in and relating to hydraulically controlled systems for modulating the fluid flow atthe bottom ofa drilling well Expired AU469577B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FRFR7044559 1970-12-10
FR7044559A FR2117726B1 (en) 1970-12-10 1970-12-10

Publications (2)

Publication Number Publication Date
AU3667571A true AU3667571A (en) 1973-06-14
AU469577B2 AU469577B2 (en) 1976-02-19

Family

ID=9065569

Family Applications (1)

Application Number Title Priority Date Filing Date
AU36675/71A Expired 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

Country Status (9)

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

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 (en) * 1979-12-06 1981-06-12 Dresser Ind Measuring and transmitting apparatus used in drill string - is self-contained and forms output signals modulated into mud flow
NO154674C (en) * 1980-11-20 1987-01-07 Sperry Sun Inc DEVICE FOR SIGNALING IN A DRILL HOLE DURING DRILLING.
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 (en) * 1985-08-31 1987-03-19 Schwing Hydraulik Elektronik DEVICE, IN PARTICULAR FOR UNDERGROUND APPLICATION FOR REMOTE TRANSMISSION OF INFORMATION FROM A DRILL HOLE
US8080029B2 (en) 2007-09-21 2011-12-20 Novartis Ag System for actuation of a vitreous cutter
CN102497841B (en) 2009-08-31 2014-12-10 爱尔康研究有限公司 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
AU2010328590B2 (en) 2009-12-10 2015-09-17 Alcon Inc. 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 (en) * 1963-01-25 1964-05-22 Improvements to hydraulic cylinder control valves and cylinders fitted with these valves
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 (en) * 1965-05-07 1966-06-17 Rech Etudes Prod Electro-hydraulic transducer-amplifier with multiple control inputs
US3485255A (en) * 1966-05-02 1969-12-23 Ltv Electrosystems Inc Fixed jet servo valve
FR1530073A (en) * 1966-06-30 1968-06-21 Itt Hydraulic control device
US3424183A (en) * 1967-03-15 1969-01-28 Abex Corp Solenoid controlled servovalve with lineal output

Also Published As

Publication number Publication date
NL7116753A (en) 1972-06-13
BE776440A (en) 1972-04-04
GB1323788A (en) 1973-07-18
DD96092A5 (en) 1973-03-05
DE2161353A1 (en) 1972-06-22
IT943804B (en) 1973-04-10
AU469577B2 (en) 1976-02-19
CA946709A (en) 1974-05-07
DE2161353C2 (en) 1982-07-08
FR2117726A1 (en) 1972-07-28
FR2117726B1 (en) 1973-12-07

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