DE2017939C3 - - Google Patents

Info

Publication number
DE2017939C3
DE2017939C3 DE19702017939 DE2017939A DE2017939C3 DE 2017939 C3 DE2017939 C3 DE 2017939C3 DE 19702017939 DE19702017939 DE 19702017939 DE 2017939 A DE2017939 A DE 2017939A DE 2017939 C3 DE2017939 C3 DE 2017939C3
Authority
DE
Germany
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
DE19702017939
Other versions
DE2017939A1 (de
DE2017939B2 (de
Inventor
Wayne M. Houston Tex. Sullivan (V.St.A.)
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.)
Byron Jackson Inc
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
Publication of DE2017939A1 publication Critical patent/DE2017939A1/de
Publication of DE2017939B2 publication Critical patent/DE2017939B2/de
Application granted granted Critical
Publication of DE2017939C3 publication Critical patent/DE2017939C3/de
Granted legal-status Critical Current

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)
DE19702017939 1969-04-22 1970-04-15 Bohrgestaengeschwimmer Granted DE2017939B2 (de)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE2017939A1 DE2017939A1 (de) 1971-01-14
DE2017939B2 DE2017939B2 (de) 1973-03-22
DE2017939C3 true DE2017939C3 (de) 1973-10-18

Family

ID=25225088

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702017939 Granted DE2017939B2 (de) 1969-04-22 1970-04-15 Bohrgestaengeschwimmer

Country Status (6)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2739801A1 (de) * 1977-09-03 1979-03-15 Waletzko Alfred Apparatebau Rueckflussverhinderer, insbesondere fuer rohrtrenner
FR2502683A1 (fr) * 1981-03-24 1982-10-01 Flopetrol Procede et equipement de forage d'une couche souterraine contenant des hydrocarbures, sans utilisation de boue de forage
GB8326961D0 (en) * 1983-10-08 1983-11-09 Hogarth P J M Bore-hole drilling device
DE102011082728A1 (de) * 2011-09-15 2013-03-21 Robert Bosch Gmbh Rückschlagventil, insbesondere für eine Kraftstoffhochdruckpumpe, und Pumpe mit Rückschlagventil
CN103234067B (zh) * 2013-05-10 2015-11-11 四川宏华石油设备有限公司 一种用于井下工具的单向阀

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
BE627369A (de) * 1962-01-22 1900-01-01

Also Published As

Publication number Publication date
FR2039358B1 (de) 1973-04-06
FR2039358A1 (de) 1971-01-15
JPS5022962B1 (de) 1975-08-04
DE2017939A1 (de) 1971-01-14
GB1266306A (de) 1972-03-08
AT297628B (de) 1972-04-10
NL7005693A (de) 1970-10-26
DE2017939B2 (de) 1973-03-22

Similar Documents

Publication Publication Date Title
AU465452B2 (de)
AU450150B2 (de)
AU442375B2 (de)
CS149922B2 (de)
AU470301B1 (de)
AU5113869A (de)
AU442357B2 (de)
AU442322B2 (de)
AU442535B2 (de)
AU442538B2 (de)
AU442380B2 (de)
AU438128B2 (de)
AU470661B1 (de)
AU442463B2 (de)
AU442285B2 (de)
AU5077469A (de)
AU4923469A (de)
AU4949169A (de)
AU4540468A (de)
AU5109569A (de)
BG17955A3 (de)
BG17839A3 (de)
AU4982068A (de)
AU4953367A (de)
BE735047A (de)

Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee