FR2010946A1 - - Google Patents

Info

Publication number
FR2010946A1
FR2010946A1 FR6919944A FR6919944A FR2010946A1 FR 2010946 A1 FR2010946 A1 FR 2010946A1 FR 6919944 A FR6919944 A FR 6919944A FR 6919944 A FR6919944 A FR 6919944A FR 2010946 A1 FR2010946 A1 FR 2010946A1
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.)
Withdrawn
Application number
FR6919944A
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst AG
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 Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Publication of FR2010946A1 publication Critical patent/FR2010946A1/fr
Withdrawn legal-status Critical Current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
    • E21B12/00—Accessories for drilling tools
    • E21B12/02—Wear indicators
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21H—OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES, NOT OTHERWISE PROVIDED FOR; UTILISING COSMIC RADIATION
    • G21H5/00—Applications of radiation from radioactive sources or arrangements therefor, not otherwise provided for 
    • G21H5/02—Applications of radiation from radioactive sources or arrangements therefor, not otherwise provided for  as tracers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Medicinal Preparation (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
FR6919944A 1968-06-14 1969-06-16 Withdrawn FR2010946A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681758499 DE1758499A1 (de) 1968-06-14 1968-06-14 Mischung aus einer radioaktiven Substanz und einem Treibmittel fuer die Markierung von Tiefbohrwerkzeugen

Publications (1)

Publication Number Publication Date
FR2010946A1 true FR2010946A1 (de) 1970-02-20

Family

ID=5695068

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6919944A Withdrawn FR2010946A1 (de) 1968-06-14 1969-06-16

Country Status (4)

Country Link
DE (1) DE1758499A1 (de)
FR (1) FR2010946A1 (de)
GB (1) GB1276311A (de)
NL (1) NL6907930A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7464771B2 (en) 2006-06-30 2008-12-16 Baker Hughes Incorporated Downhole abrading tool having taggants for indicating excessive wear
US7565928B2 (en) 2006-06-30 2009-07-28 Baker Hughes Incorporated Downhole abrading tool having a taggant injection assembly for indicating excessive wear
US7404457B2 (en) * 2006-06-30 2008-07-29 Baker Huges Incorporated Downhole abrading tools having fusible material and methods of detecting tool wear
US7424910B2 (en) 2006-06-30 2008-09-16 Baker Hughes Incorporated Downhole abrading tools having a hydrostatic chamber and uses therefor
US7484571B2 (en) 2006-06-30 2009-02-03 Baker Hughes Incorporated Downhole abrading tools having excessive wear indicator
US9169697B2 (en) 2012-03-27 2015-10-27 Baker Hughes Incorporated Identification emitters for determining mill life of a downhole tool and methods of using same

Also Published As

Publication number Publication date
GB1276311A (en) 1972-06-01
NL6907930A (de) 1969-12-16
DE1758499A1 (de) 1971-02-11

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Legal Events

Date Code Title Description
ST Notification of lapse