CA1023827A - Recorder alarm system - Google Patents

Recorder alarm system

Info

Publication number
CA1023827A
CA1023827A CA121,430A CA121430A CA1023827A CA 1023827 A CA1023827 A CA 1023827A CA 121430 A CA121430 A CA 121430A CA 1023827 A CA1023827 A CA 1023827A
Authority
CA
Canada
Prior art keywords
alarm system
recorder
recorder alarm
alarm
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
CA121,430A
Other languages
English (en)
French (fr)
Other versions
CA121430S (fr
Inventor
Martin J. Sharki
Charles J. Mazoch
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries 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 Dresser Industries Inc filed Critical Dresser Industries Inc
Application granted granted Critical
Publication of CA1023827A publication Critical patent/CA1023827A/en
Expired 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
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure

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)
  • Recording Measured Values (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA121,430A 1970-09-28 1971-08-26 Recorder alarm system Expired CA1023827A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7614170A 1970-09-28 1970-09-28

Publications (1)

Publication Number Publication Date
CA1023827A true CA1023827A (en) 1978-01-03

Family

ID=22130166

Family Applications (1)

Application Number Title Priority Date Filing Date
CA121,430A Expired CA1023827A (en) 1970-09-28 1971-08-26 Recorder alarm system

Country Status (5)

Country Link
US (1) US3698003A (enExample)
CA (1) CA1023827A (enExample)
DE (1) DE2145536A1 (enExample)
FR (1) FR2108451A5 (enExample)
NL (1) NL7112547A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3535100A1 (de) * 1985-10-02 1987-04-23 Hiss Eckart Multifunktionssensor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3349245A (en) * 1965-08-24 1967-10-24 American Gage & Mach Control construction to maintain a range of variables using light conducting rod

Also Published As

Publication number Publication date
DE2145536A1 (de) 1972-03-30
NL7112547A (enExample) 1972-03-30
FR2108451A5 (enExample) 1972-05-19
US3698003A (en) 1972-10-10

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