Esp motor windings for high temperature environments

Abstract

An electric submersible pump device, comprising: an electric motor having motor windings; a pump coupled with the motor; and high temperature polymeric insulation surrounding at least a portion of the motor windings, the high temperature polymeric insulation comprising HN polyimide film and a high temperature fluoropolymer adhesive coating at least one side of the HN polyimide film.

1 . An electric submersible pump device, comprising:
 an electric motor having motor windings, comprising an electrical conductor;   a pump coupled with the motor; and   high temperature polymeric insulation surrounding at least a portion of the motor windings,
 the high temperature polymeric insulation comprising polyimide film and a high temperature fluoropolymer adhesive coating at least one side of the polyimide film; wherein the polyimide film is adhered to the conductor with the high temperature fluoropolymer adhesive. 
   
   
   
       2 . The device of  claim 1 , comprising multiple layers of the high temperature polymeric insulation. 
   
   
       3 . The device of  claim 1 , wherein the high temperature insulation is in tape form. 
   
   
       4 . The device of  claim 3 , wherein the high temperature polymeric insulation is applied longitudinally. 
   
   
       5 . The device of  claim 3 , wherein the high temperature polymeric insulation is wrapped onto the conductor in an overlap configuration. 
   
   
       6 . The device of  claim 1 , wherein the thickness of the polyimide film is from 0.0005 inch to 0.005 inch. 
   
   
       7 . The device of  claim 1 , wherein the polyimide film is adhered to itself with the fluoropolymer adhesive coating. 
   
   
       8 . The device of  claim 1 , wherein the fluoropolymer adhesive coating is coated on the polyimide film and is activated by short term exposure to extreme heat. 
   
   
       9 . The device of  claim 1 , wherein the fluoropolymer adhesive coating comprises a material selected from a group consisting of the following: fluorinated ethylene propylene, polytetrafluoroethylene, and perfluoroalkoxy. 
   
   
       10 . The device of  claim 1 , wherein the high temperature polymeric insulation has material capabilities that allow operation of the electric submersible motor where conductor temperature within in the motor is at least 500 degrees Fahrenheit. 
   
   
       11 . A method of pumping subterranean fluids, comprising:
 lowering an electric submersible pump device downhole, the electric submersible pump device comprising
 an electric motor having motor windings, comprising an electrical conductor; 
 a pump coupled with the motor; and 
 high temperature polymeric insulation surrounding at least a portion of the motor windings; wherein the high temperature polymeric insulation comprises polyimide film and a high temperature fluoropolymer adhesive coating at least one side of the polyimide film, wherein the polyimide film is adhered to the conductor with the high temperature fluoropolymer adhesive; and 
   operating the motor.   
   
   
       12 . (canceled) 
   
   
       13 . The method of  claim 11 , wherein the motor windings comprising multiple layers of the high temperature polymeric insulation. 
   
   
       14 . The method of  claim 11 , wherein the high temperature insulation is in tape form. 
   
   
       15 . The method of  claim 11 , wherein the high temperature polymeric insulation is applied longitudinally. 
   
   
       16 . The method of  claim 11 , wherein the high temperature polymeric insulation is wrapped onto the conductor in an overlap configuration. 
   
   
       17 . The method of  claim 11 , wherein the thickness of the polyimide film is from 0.0005 inch to 0.005 inch. 
   
   
       18 . The method of  claim 11 , wherein the polyimide film is adhered to the conductor and to itself with the fluoropolymer adhesive coating. 
   
   
       19 . The method of  claim 18 , wherein the fluoropolymer adhesive coating is coated on the polyimide film and is activated by short term exposure to extreme heat. 
   
   
       20 . The method of  claim 18 , wherein the fluoropolymer adhesive coating comprises a material selected from a group consisting of the following: fluorinated ethylene propylene, polytetrafluoroethylene, and perfluoroalkoxy. 
   
   
       21 . The device of  claim 1 , wherein the polyimide film is HN polyimide film. 
   
   
       22 . The device of  claim 1 , wherein the polyimide film is CR polyimide film. 
   
   
       23 . The method of  claim 11 , wherein the polyimide film is HN polyimide film. 
   
   
       24 . The method of  claim 11 , wherein the polyimide film is CR polyimide film. 
   
   
       25 . The method of  claim 11 , further comprising operating the electric submersible pump while the motor conductor temperature is at least 500 degrees Fahrenheit continuously for at least one hour. 
   
   
       26 . The device of  claim 1 , wherein the electric submersible pump is configured to be capable of operating for at least one uninterrupted hour when the motor conductor temperature is at least 500 degrees Fahrenheit.