AU5495186A - Dual coil free point indicating apparatus - Google Patents

Dual coil free point indicating apparatus

Info

Publication number
AU5495186A
AU5495186A AU54951/86A AU5495186A AU5495186A AU 5495186 A AU5495186 A AU 5495186A AU 54951/86 A AU54951/86 A AU 54951/86A AU 5495186 A AU5495186 A AU 5495186A AU 5495186 A AU5495186 A AU 5495186A
Authority
AU
Australia
Prior art keywords
point indicating
indicating apparatus
dual coil
free point
coil free
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.)
Abandoned
Application number
AU54951/86A
Inventor
Cyril Rufus Sumner
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.)
Halliburton Co
Original Assignee
Halliburton 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 Halliburton Co filed Critical Halliburton Co
Publication of AU5495186A publication Critical patent/AU5495186A/en
Abandoned 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics And Detection Of Objects (AREA)
AU54951/86A 1985-04-01 1986-03-20 Dual coil free point indicating apparatus Abandoned AU5495186A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71814585A 1985-04-01 1985-04-01
US718145 1985-04-01

Publications (1)

Publication Number Publication Date
AU5495186A true AU5495186A (en) 1986-10-09

Family

ID=24884996

Family Applications (1)

Application Number Title Priority Date Filing Date
AU54951/86A Abandoned AU5495186A (en) 1985-04-01 1986-03-20 Dual coil free point indicating apparatus

Country Status (2)

Country Link
EP (1) EP0196829A3 (en)
AU (1) AU5495186A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2897890B1 (en) 2006-02-27 2008-05-16 Jean Pierre Martin METHOD AND DEVICE FOR DETERMINING THE LOCATION OF A FIXATION POINT OF A ROD
FR2900193B1 (en) 2006-04-21 2008-06-20 Jean Pierre Martin METHOD AND APPARATUS FOR DETERMINING THE EXISTENCE AND LOCATION OF STRESS FORCES ON A ROD
US7591307B2 (en) * 2006-09-07 2009-09-22 Sondex Ltd Method of and system for determining the free point in a drill pipe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2902640A (en) * 1954-12-15 1959-09-01 Jack E Foster Detection of stuck point in wells
US4292589A (en) * 1979-05-09 1981-09-29 Schlumberger Technology Corporation Eddy current method and apparatus for inspecting ferromagnetic tubular members
US4440019A (en) * 1982-05-28 1984-04-03 Marshall W Ray Free point indicator
GB2158245B (en) * 1984-05-04 1988-09-01 Nl Industries Inc Detection of location of pipe stuck in a borehole

Also Published As

Publication number Publication date
EP0196829A2 (en) 1986-10-08
EP0196829A3 (en) 1988-08-31

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