FR2200986A6 - - Google Patents

Info

Publication number
FR2200986A6
FR2200986A6 FR7222954A FR7222954A FR2200986A6 FR 2200986 A6 FR2200986 A6 FR 2200986A6 FR 7222954 A FR7222954 A FR 7222954A FR 7222954 A FR7222954 A FR 7222954A FR 2200986 A6 FR2200986 A6 FR 2200986A6
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
Application number
FR7222954A
Other languages
French (fr)
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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
Priority claimed from FR7216071A external-priority patent/FR2183383A5/fr
Application filed by IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR7222954A priority Critical patent/FR2200986A6/fr
Priority to US356435A priority patent/US3889466A/en
Priority to GB2108873A priority patent/GB1393192A/en
Priority to NO1831/73A priority patent/NO138223C/en
Priority to NL7306186.A priority patent/NL164644C/en
Priority to DE2322284A priority patent/DE2322284A1/en
Priority to SE7306270A priority patent/SE397123B/en
Priority to CA170,404A priority patent/CA983352A/en
Priority to IT23709/73A priority patent/IT987257B/en
Priority to ES414434A priority patent/ES414434A1/en
Priority to JP48050557A priority patent/JPS4954783A/ja
Publication of FR2200986A6 publication Critical patent/FR2200986A6/fr
Application granted granted Critical
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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/09—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods specially adapted for drilling underwater formations from a floating support using heave compensators supporting the drill string
    • 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
    • F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
FR7222954A 1972-05-05 1972-06-23 Expired FR2200986A6 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR7222954A FR2200986A6 (en) 1972-05-05 1972-06-23
US356435A US3889466A (en) 1972-05-05 1973-05-02 Device for maintaining a working fluid under a predetermined pressure
GB2108873A GB1393192A (en) 1972-05-05 1973-05-03 Device for maintaining a hydraulic working fuel at a pressure substantially following a predetermined law of variation
NO1831/73A NO138223C (en) 1972-05-05 1973-05-03 DEVICE FOR AA KEEPING A WORKING FLUID IN A BEET E.L. UNDER A CERTAIN PRESSURE
NL7306186.A NL164644C (en) 1972-05-05 1973-05-03 DEVICE FOR KEEPING A USE FLUID UNDER A PARTICULAR PRESSURE.
DE2322284A DE2322284A1 (en) 1972-05-05 1973-05-03 DEVICE TO KEEP A WORKING FLUID UNDER A CERTAIN PRESSURE
SE7306270A SE397123B (en) 1972-05-05 1973-05-04 DEVICE FOR PUTTING A WORKING FLUID UNDER PRESSURE IN A PIPE
CA170,404A CA983352A (en) 1972-05-05 1973-05-04 Dispositif maintenant un fluide d'utilisation sous une pression determinee
IT23709/73A IT987257B (en) 1972-05-05 1973-05-04 DEVICE THAT MAINTAINS A USE FLUID UNDER A DETERMINED PRESSURE
ES414434A ES414434A1 (en) 1972-05-05 1973-05-04 Device for maintaining a working fluid under a predetermined pressure
JP48050557A JPS4954783A (en) 1972-05-05 1973-05-07

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7216071A FR2183383A5 (en) 1972-05-05 1972-05-05
FR7222954A FR2200986A6 (en) 1972-05-05 1972-06-23

Publications (1)

Publication Number Publication Date
FR2200986A6 true FR2200986A6 (en) 1974-04-19

Family

ID=26217070

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7222954A Expired FR2200986A6 (en) 1972-05-05 1972-06-23

Country Status (1)

Country Link
FR (1) FR2200986A6 (en)

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