NO761910L - - Google Patents

Info

Publication number
NO761910L
NO761910L NO761910A NO761910A NO761910L NO 761910 L NO761910 L NO 761910L NO 761910 A NO761910 A NO 761910A NO 761910 A NO761910 A NO 761910A NO 761910 L NO761910 L NO 761910L
Authority
NO
Norway
Prior art keywords
valve
pneumatic
pressure
signal
fluid
Prior art date
Application number
NO761910A
Other languages
English (en)
Norwegian (no)
Inventor
E J Dower
Original Assignee
Warren Automatic Tool Co
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 Warren Automatic Tool Co filed Critical Warren Automatic Tool Co
Publication of NO761910L publication Critical patent/NO761910L/no

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86389Programmer or timer
    • Y10T137/86445Plural, sequential, valve actuations
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/877With flow control means for branched passages
    • Y10T137/87829Biased valve
    • Y10T137/87837Spring bias
    • Y10T137/87861Spring coaxial with valve
    • Y10T137/87869Biased open

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Examining Or Testing Airtightness (AREA)
NO761910A 1975-06-06 1976-06-04 NO761910L (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/584,613 US4000645A (en) 1975-06-06 1975-06-06 Apparatus for pneumatically monitoring conditions of a well circulating system

Publications (1)

Publication Number Publication Date
NO761910L true NO761910L (en:Method) 1976-12-07

Family

ID=24338093

Family Applications (1)

Application Number Title Priority Date Filing Date
NO761910A NO761910L (en:Method) 1975-06-06 1976-06-04

Country Status (6)

Country Link
US (1) US4000645A (en:Method)
CA (1) CA1051297A (en:Method)
FR (1) FR2337875A1 (en:Method)
GB (1) GB1537317A (en:Method)
NL (1) NL7606041A (en:Method)
NO (1) NO761910L (en:Method)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5730233A (en) * 1996-07-22 1998-03-24 Alberta Industrial Technologies Ltd. Method for detecting changes in rate of discharge of fluid from a wellbore
US8448657B2 (en) 2010-04-26 2013-05-28 Red Mountain Engineering Llc Passive-cycle skipping valve

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070295A (en) * 1961-05-12 1962-12-25 Ibm Fluid operated logical devices
US3602322A (en) * 1968-10-24 1971-08-31 Dale C Gorsuch Fluid flow monitoring system for well drilling operations
US3614761A (en) * 1969-11-03 1971-10-19 Dresser Ind Method and apparatus for monitoring potential or lost circulation in an earth borehole
US3726136A (en) * 1970-12-17 1973-04-10 Petro Electronics Inc Drilling-fluid control-monitoring apparatus
US3750480A (en) * 1971-04-23 1973-08-07 Warren Automatic Tool Co Pneumatic measurement apparatus

Also Published As

Publication number Publication date
FR2337875B1 (en:Method) 1982-12-10
NL7606041A (nl) 1976-12-08
US4000645A (en) 1977-01-04
CA1051297A (en) 1979-03-27
FR2337875A1 (fr) 1977-08-05
GB1537317A (en) 1978-12-29

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