发明名称 |
High voltage temperature limited heaters |
摘要 |
A heater system may include an alternating current supply and an electrical conductor. An alternating current may be applied to one or more electrical conductors at a voltage above about 200 volts. The electrical conductors may be located in a formation. The electrical conductors may provide an electrically resistive heat output upon application of the alternating electrical current. At least one of the electrical conductors may include an electrically resistive ferromagnetic material. An electrical conductor may provide a reduced amount of heat above or near a selected temperature. Heat may be allowed to transfer from an electrical conductor to a part of the formation.
|
申请公布号 |
US2004144540(A1) |
申请公布日期 |
2004.07.29 |
申请号 |
US20030693820 |
申请日期 |
2003.10.24 |
申请人 |
SANDBERG CHESTER LEDLIE;VINEGAR HAROLD J.;HARRIS CHRISTOPHER KELVIN;SON JAIME SANTOS;CARL FREDRICK GORDON |
发明人 |
SANDBERG CHESTER LEDLIE;VINEGAR HAROLD J.;HARRIS CHRISTOPHER KELVIN;SON JAIME SANTOS;CARL FREDRICK GORDON |
分类号 |
E21B36/00;E21B36/02;E21B36/04;E21B43/24;(IPC1-7):E21B43/24 |
主分类号 |
E21B36/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|