IT1188406B - Thermally insulated pipes for oil wells - Google Patents

Thermally insulated pipes for oil wells

Info

Publication number
IT1188406B
IT1188406B IT19611/86A IT1961186A IT1188406B IT 1188406 B IT1188406 B IT 1188406B IT 19611/86 A IT19611/86 A IT 19611/86A IT 1961186 A IT1961186 A IT 1961186A IT 1188406 B IT1188406 B IT 1188406B
Authority
IT
Italy
Prior art keywords
thermally insulated
pipe
oil wells
insulated pipes
pipes
Prior art date
Application number
IT19611/86A
Other languages
Italian (it)
Other versions
IT8619611A0 (en
IT8619611A1 (en
Inventor
Gyory Gyula
Florian Zoltan
Original Assignee
Koolajkutato Vallalat
Dunantuli Koolajipari Gepgyar
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 Koolajkutato Vallalat, Dunantuli Koolajipari Gepgyar filed Critical Koolajkutato Vallalat
Priority to IT19611/86A priority Critical patent/IT1188406B/en
Publication of IT8619611A0 publication Critical patent/IT8619611A0/en
Publication of IT8619611A1 publication Critical patent/IT8619611A1/en
Application granted granted Critical
Publication of IT1188406B publication Critical patent/IT1188406B/en

Links

Landscapes

  • Pipeline Systems (AREA)
  • Thermal Insulation (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

A thermally insulated pipe, used in an oil well, consists of an outer pipe and an inner pipe with the space between the two pipes being filled with thermal insulation. The inner and outer pipes are connected to each other by connection pieces and distance rings are fitted in the insulation space at intervals of length. This distance is between 20 and 50 times the diameter of the inner pipe, and is so chosen that the portions of the pipe between distance rings have a slenderness ratio of between 30 and 70.
IT19611/86A 1986-03-04 1986-03-04 Thermally insulated pipes for oil wells IT1188406B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT19611/86A IT1188406B (en) 1986-03-04 1986-03-04 Thermally insulated pipes for oil wells

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19611/86A IT1188406B (en) 1986-03-04 1986-03-04 Thermally insulated pipes for oil wells

Publications (3)

Publication Number Publication Date
IT8619611A0 IT8619611A0 (en) 1986-03-04
IT8619611A1 IT8619611A1 (en) 1987-09-04
IT1188406B true IT1188406B (en) 1988-01-14

Family

ID=11159561

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19611/86A IT1188406B (en) 1986-03-04 1986-03-04 Thermally insulated pipes for oil wells

Country Status (1)

Country Link
IT (1) IT1188406B (en)

Also Published As

Publication number Publication date
IT8619611A0 (en) 1986-03-04
IT8619611A1 (en) 1987-09-04

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