JPH0135159B2 - - Google Patents

Info

Publication number

JPH0135159B2

JPH0135159B2 JP5768482A JP5768482A JPH0135159B2 JP H0135159 B2 JPH0135159 B2 JP H0135159B2 JP 5768482 A JP5768482 A JP 5768482A JP 5768482 A JP5768482 A JP 5768482A JP H0135159 B2 JPH0135159 B2 JP H0135159B2

Authority

JP

Japan

Prior art keywords

tubular member

insulating

electrode

casing

oil

Prior art date

1982-04-05

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

Links

• Espacenet
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• 239000002184 metal Substances 0.000 claims description 30
• 229910052751 metal Inorganic materials 0.000 claims description 30
• 239000000615 nonconductor Substances 0.000 claims description 22
• 238000010438 heat treatment Methods 0.000 claims description 15
• 239000010445 mica Substances 0.000 claims description 12
• 229910052618 mica group Inorganic materials 0.000 claims description 12
• 229930195733 hydrocarbon Natural products 0.000 claims description 11
• 150000002430 hydrocarbons Chemical class 0.000 claims description 11
• 239000004215 Carbon black (E152) Substances 0.000 claims description 7
• 239000000843 powder Substances 0.000 claims description 7
• 239000004033 plastic Substances 0.000 claims description 6
• 239000011810 insulating material Substances 0.000 claims description 5
• 239000011521 glass Substances 0.000 claims description 4
• 239000003921 oil Substances 0.000 description 48
• 239000010410 layer Substances 0.000 description 43
• 239000003027 oil sand Substances 0.000 description 25
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
• 238000009413 insulation Methods 0.000 description 19
• 238000005485 electric heating Methods 0.000 description 16
• 238000000034 method Methods 0.000 description 15
• 239000012212 insulator Substances 0.000 description 11
• 238000000465 moulding Methods 0.000 description 9
• 239000000463 material Substances 0.000 description 8
• 230000002093 peripheral effect Effects 0.000 description 8
• 230000007547 defect Effects 0.000 description 7
• XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
• 238000004519 manufacturing process Methods 0.000 description 5
• 229910052573 porcelain Inorganic materials 0.000 description 5
• 239000000725 suspension Substances 0.000 description 5
• 239000007788 liquid Substances 0.000 description 4
• 238000003754 machining Methods 0.000 description 4
• 239000002994 raw material Substances 0.000 description 4
• 150000003839 salts Chemical class 0.000 description 4
• 238000003466 welding Methods 0.000 description 4
• 230000007423 decrease Effects 0.000 description 3
• 230000005611 electricity Effects 0.000 description 3
• 239000012530 fluid Substances 0.000 description 3
• 238000002347 injection Methods 0.000 description 3
• 239000007924 injection Substances 0.000 description 3
• 229910052742 iron Inorganic materials 0.000 description 3
• 238000005192 partition Methods 0.000 description 3
• 239000010935 stainless steel Substances 0.000 description 3
• 229910001220 stainless steel Inorganic materials 0.000 description 3
• 229910000831 Steel Inorganic materials 0.000 description 2
• 239000011248 coating agent Substances 0.000 description 2
• 238000000576 coating method Methods 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 238000010292 electrical insulation Methods 0.000 description 2
• 230000007774 longterm Effects 0.000 description 2
• 239000000203 mixture Substances 0.000 description 2
• -1 pumping Substances 0.000 description 2
• 238000011160 research Methods 0.000 description 2
• 239000004576 sand Substances 0.000 description 2
• 239000010959 steel Substances 0.000 description 2
• YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
• FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
• 238000010793 Steam injection (oil industry) Methods 0.000 description 1
• 239000004809 Teflon Substances 0.000 description 1
• 229920006362 Teflon® Polymers 0.000 description 1
• RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 description 1
• 230000002159 abnormal effect Effects 0.000 description 1
• 230000005856 abnormality Effects 0.000 description 1
• 230000032683 aging Effects 0.000 description 1
• 239000000956 alloy Substances 0.000 description 1
• 229910045601 alloy Inorganic materials 0.000 description 1
• 239000010426 asphalt Substances 0.000 description 1
• 238000007664 blowing Methods 0.000 description 1
• 238000009933 burial Methods 0.000 description 1
• 239000011247 coating layer Substances 0.000 description 1
• 238000002485 combustion reaction Methods 0.000 description 1
• 238000004891 communication Methods 0.000 description 1
• 238000010276 construction Methods 0.000 description 1
• 230000008602 contraction Effects 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 230000007797 corrosion Effects 0.000 description 1
• 238000005260 corrosion Methods 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 230000007613 environmental effect Effects 0.000 description 1
• 239000002360 explosive Substances 0.000 description 1
• 239000000284 extract Substances 0.000 description 1
• 239000011737 fluorine Substances 0.000 description 1
• 229910052731 fluorine Inorganic materials 0.000 description 1
• PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
• 239000010931 gold Substances 0.000 description 1
• 229910052737 gold Inorganic materials 0.000 description 1
• 230000005484 gravity Effects 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 238000011900 installation process Methods 0.000 description 1
• 238000002844 melting Methods 0.000 description 1
• 230000008018 melting Effects 0.000 description 1
• 239000011812 mixed powder Substances 0.000 description 1
• 239000003129 oil well Substances 0.000 description 1
• 238000012856 packing Methods 0.000 description 1
• 239000003208 petroleum Substances 0.000 description 1
• 239000011148 porous material Substances 0.000 description 1
• 238000003825 pressing Methods 0.000 description 1
• 238000005086 pumping Methods 0.000 description 1
• 238000011084 recovery Methods 0.000 description 1
• 239000011347 resin Substances 0.000 description 1
• 229920005989 resin Polymers 0.000 description 1
• 239000011780 sodium chloride Substances 0.000 description 1
• 230000003068 static effect Effects 0.000 description 1
• 230000035882 stress Effects 0.000 description 1
• 238000012546 transfer Methods 0.000 description 1