Abstract: A method for making a downhole electrical feedthrough package where the feedthrough package may include a metal shell forming a shell conduit. A metal web may be coupled to the metal shell, and the metal web may form a web conduit. A conducting pin may extend through the shell conduit and web conduit. A dielectric seal may electrically isolate the conducting pin from the metal web. The dielectric seal may be formed by a bismuth glass based dielectric sealing material system having at least two of the four components selected from Bi2O3, B2O3, MO, and optionally REO forming a bismuth glass system. MO may be selected from ZnO, BaO, TiO2, and Fe2O3, and their glass making pre-cursors. REO may be selected from CeO2, Y2O3, Sc2O3, Nd2O3, Pr2O3, and lanthanum series oxides. One or more isolators may be disposed within the shell conduit proximate to the dielectric seal and surrounding a portion of the conducting pin.

Abstract: A method for making a downhole electrical feedthrough package where the feedthrough package may include a metal shell forming a shell conduit. A metal web may be coupled to the metal shell, and the metal web may form a web conduit. A conducting pin may extend through the shell conduit and web conduit. A dielectric seal may electrically isolate the conducting pin from the metal web. The dielectric seal may be formed by a bismuth glass based dielectric sealing material system having at least two of the four components selected from Bi2O3, B2O3, MO, and optionally REO forming a bismuth glass system. MO may be selected from ZnO, BaO, TiO2, and Fe2O3, and their glass making pre-cursors. REO may be selected from CeO2, Y2O3, Sc2O3, Nd2O3, Pr2O3, and lanthanum series oxides. One or more isolators may be disposed within the shell conduit proximate to the dielectric seal and surrounding a portion of the conducting pin.

Abstract: A downhole electrical feedthrough package and method for making the same. The feedthrough package may include a metal shell forming a shell conduit. A metal web may be coupled to the metal shell, and the metal web may form a web conduit. A conducting pin may extend through the shell conduit and web conduit. A dielectric seal may electrically isolate the conducting pin from the metal web. The dielectric seal may be formed by a bismuth glass based dielectric sealing material system having at least two of the four components selected from Bi2O3, B2O3, MO, and optionally REO forming a bismuth glass system. MO may be selected from ZnO, BaO, TiO2, and Fe2O3, and their glass making pre-cursors. REO may be selected from CeO2, Y2O3, Sc2O3, Nd2O3, Pr2O3, and lanthanum series oxides. One or more isolators may be disposed within the shell conduit proximate to the dielectric seal and surrounding a portion of the conducting pin.

Abstract: A system for determining the impact of moisture on a dielectric sealing material may include a testing apparatus having a testing chamber. A dielectric sealing material and a conducting pin may be exposed to the testing chamber. A first electrical lead may be coupled to the conducting pin, and a second electrical lead may be coupled to the dialectic material. An insulation resistance measurement unit may be coupled to both the first electrical lead and the second electrical lead, and the insulation resistance measurement unit may be configured to measure an insulation resistance value between the electrical leads. The insulation resistance measurement unit may measure a first insulation resistance value of the dielectric sealing material in a first environmental condition, and the insulation resistance measurement unit may measure a second insulation resistance value of the dielectric sealing material at a second environmental condition, that is different than the first environmental condition.

Abstract: A downhole electrical feedthrough package and method for making the same. The feedthrough package may include a metal shell forming a shell conduit. A metal web may be coupled to the metal shell, and the metal web may form a web conduit. A conducting pin may extend through the shell conduit and web conduit. A dielectric seal may electrically isolate the conducting pin from the metal web. The dielectric seal may be formed by a bismuth glass based dielectric sealing material system having at least two of the four components selected from Bi2O3, B2O3, MO, and optionally REO forming a bismuth glass system. MO may be selected from ZnO, BaO, TiO2, and Fe2O3, and their glass making pre-cursors. REO may be selected from CeO2, Y2O3, Sc2O3, Nd2O3, Pr2O3, and lanthanum series oxides. One or more isolators may be disposed within the shell conduit proximate to the dielectric seal and surrounding a portion of the conducting pin.

Abstract: A system for determining the impact of moisture on a dielectric sealing material may include a testing apparatus having a testing chamber. A dielectric sealing material and a conducting pin may be exposed to the testing chamber. A first electrical lead may be coupled to the conducting pin, and a second electrical lead may be coupled to the dialectic material. An insulation resistance measurement unit may be coupled to both the first electrical lead and the second electrical lead, and the insulation resistance measurement unit may be configured to measure an insulation resistance value between the electrical leads. The insulation resistance measurement unit may measure a first insulation resistance value of the dielectric sealing material in a first environmental condition, and the insulation resistance measurement unit may measure a second insulation resistance value of the dielectric sealing material at a second environmental condition, that is different than the first environmental condition.

Abstract: An integrated downhole electrical feedthrough package may include a metal shell having a metal web conduit disposed within the metal shell. A sealing channel may extend through the metal web conduit. One or more conducting pins may be disposed in the sealing channels. A dielectric seal may also be disposed in the metal web conduit, and the dielectric seal may electrically isolate the one or more conducting pins from the metal web conduit and metal shell. One or more isolators may also be disposed within the metal conduit and each isolator may surround a portion of each conducting pin disposed in the metal conduit. Each isolator may have a high coefficient of thermal expansion material, and a nonpolar surface which may be positioned proximate to a dielectric seal.