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AT297628B - Check valve for drill rods - Google Patents

Check valve for drill rods

Info

Publication number
AT297628B
AT297628B AT361270A AT361270A AT297628B AT 297628 B AT297628 B AT 297628B AT 361270 A AT361270 A AT 361270A AT 361270 A AT361270 A AT 361270A AT 297628 B AT297628 B AT 297628B
Authority
AT
Austria
Prior art keywords
check valve
drill rods
drill
rods
check
Prior art date
Application number
AT361270A
Other languages
German (de)
Original Assignee
Byron Jackson Inc
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 Byron Jackson Inc filed Critical Byron Jackson Inc
Application granted granted Critical
Publication of AT297628B publication Critical patent/AT297628B/en

Links

Classifications

    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/06—Check valves with guided rigid valve members with guided stems
    • F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Details Of Valves (AREA)
AT361270A 1969-04-22 1970-04-21 Check valve for drill rods AT297628B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81826169A 1969-04-22 1969-04-22

Publications (1)

Publication Number Publication Date
AT297628B true AT297628B (en) 1972-04-10

Family

ID=25225088

Family Applications (1)

Application Number Title Priority Date Filing Date
AT361270A AT297628B (en) 1969-04-22 1970-04-21 Check valve for drill rods

Country Status (6)

Country Link
JP (1) JPS5022962B1 (en)
AT (1) AT297628B (en)
DE (1) DE2017939B2 (en)
FR (1) FR2039358B1 (en)
GB (1) GB1266306A (en)
NL (1) NL7005693A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2739801A1 (en) * 1977-09-03 1979-03-15 Waletzko Alfred Apparatebau BACKFLOW PREVENTORS, IN PARTICULAR FOR PIPE CUTTERS
FR2502683A1 (en) * 1981-03-24 1982-10-01 Flopetrol Rotary drilling method for subterranean layer - using drill string under pressure but no drilling mud
GB8326961D0 (en) * 1983-10-08 1983-11-09 Hogarth P J M Bore-hole drilling device
DE102011082728A1 (en) * 2011-09-15 2013-03-21 Robert Bosch Gmbh Check valve, in particular for a high-pressure fuel pump, and pump with check valve
CN103234067B (en) * 2013-05-10 2015-11-11 四川宏华石油设备有限公司 A kind of one-way valve for downhole tool
CN112555467B (en) * 2020-12-07 2024-11-26 贵州高峰石油机械股份有限公司 Side-mounted floating valve core and assembly method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1592988A (en) * 1926-07-20 Valve
US2023189A (en) * 1932-01-23 1935-12-03 George J Armstrong Float valve
US2289946A (en) * 1940-09-06 1942-07-14 Weatherhead Co Needle check valve
US2977980A (en) * 1958-04-22 1961-04-04 Axel R Scholin Unidirectional valve for metering pumps and the like
NL287976A (en) * 1962-01-22 1900-01-01

Also Published As

Publication number Publication date
FR2039358A1 (en) 1971-01-15
DE2017939C3 (en) 1973-10-18
JPS5022962B1 (en) 1975-08-04
FR2039358B1 (en) 1973-04-06
DE2017939A1 (en) 1971-01-14
NL7005693A (en) 1970-10-26
GB1266306A (en) 1972-03-08
DE2017939B2 (en) 1973-03-22

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee