Granted Patent B2

US 12,609,217 · App. 18/535,374 · Granted Apr 21, 2026

Inventors: Hassan Mansir (Frimley, GB); Robert Charles De Long (Tulsa, OK)

Assignee: Halliburton Energy Services, Inc.

H01B12/16E21B17/003E21B36/001E21B43/128H01B12/02H02K5/132

Abstract

Claims (36)

1 . A cable structure for use in a wellbore formed in a subsurface formation, the cable structure comprising:

superconducting material configured to provide power to a downhole tool in the wellbore;

a cryogenic liquid supply channel configured to supply fluid to reduce temperature of the superconducting material, wherein the cryogenic liquid supply channel includes two or more chambers; and

one or more cryogenic liquid return channels.

2 . The cable structure of claim 1 , wherein the downhole tool includes an electric submersible pump, drill motors, drill heads, and electronic measuring tools.

3 . The cable structure of claim 1 further comprising:

one or more quench conductors; and

a first insulator encasing the respective quench conductors, wherein the superconducting material encases the first insulator.

4 . The cable structure of claim 3 further comprising:

a second insulator encasing the superconducting material, wherein the cryogenic liquid supply channel encases the second insulator.

5 . The cable structure of claim 4 further comprising:

a third insulator encasing the cryogenic liquid supply channel.

6 . The cable structure of claim 5 , wherein the one or more cryogenic liquid return channels include an area between the third insulator and an armor or one or more tubes embedded in a thermal insulator.

7 . The cable structure of claim 1 , wherein a structure of the cable structure includes flat, triangular, and coaxial.

8 . The cable structure of claim 1 further comprising:

a splice joint configured to splice the cable structure with another cable structure.

9 . A system comprising:

a downhole tool positioned in a wellbore formed in a subsurface formation;

superconducting material configured to provide power to the downhole tool in the wellbore;

a cryogenic liquid supply channel configured to supply fluid to reduce temperature of the superconducting material, wherein the cryogenic liquid supply channel includes two or more chambers; and

one or more cryogenic liquid return channels.

10 . The system of claim 9 , wherein the downhole tool includes an electric submersible pump, drill motors, drill heads, and electronic measuring tools.

11 . The system of claim 9 further comprising:

one or more quench conductors; and

a first insulator encasing the respective quench conductors, wherein the superconducting material encases the first insulator.

12 . The system of claim 11 further comprising:

a second insulator encasing the superconducting material, wherein the cryogenic liquid supply channel encases the second insulator.

13 . The system of claim 12 further comprising:

a third insulator encasing the cryogenic liquid supply channel.

14 . The system of claim 13 , wherein the one or more cryogenic liquid return channels include an area between the third insulator and an armor, or one or more tubes embedded in a thermal insulator.

15 . The system of claim 9 , wherein the fluid returns to surface via the one or more cryogenic liquid return channels or flows to a motor of an electrical submersible pump.

16 . A method comprising:

supplying a fluid to a cryogenic liquid supply channel comprising two or more channels and positioned within a cable structure to reduce a temperature of superconducting material, wherein the cable structure is configured to supply power to a downhole tool in a wellbore formed in a subsurface formation via the superconducting material; and

returning the fluid to surface via one or more cryogenic liquid return channels.

17 . The method of claim 16 , wherein the downhole tool includes an electrical submersible pump.

18 . The method of claim 16 , wherein the fluid includes liquid nitrogen or liquid helium.

Assignments (1)

Continuity (1)

References Cited (14)