Inductive charging for electro acoustic technology

1. A system for enabling inductive charging through downhole casings for electro acoustic technology devices comprising:

a. one or more electro acoustic technology assemblies with enclosed rechargeable batteries attached to the outside of non-magnetic downhole casings;

b. a casing induction coil attached to the outside of the downhole casing at each electro acoustic technology assembly location;

c. a fiber optic cable in close proximity to the electro acoustic technology assemblies and in communication with a surface distributed acoustic fiber optic interrogator; and

d. a pump down electro acoustic technology charging assembly comprising:

i. a pump down charger interrogator and;

ii. a pump down induction coil.

2. The system of claim 1 wherein the pump down electro acoustic technology charging assembly is used to charge the rechargeable batteries of the one or more electro acoustic technology assemblies.

3. The system of claim 1 wherein the pump down electro acoustic technology charging assembly is used to power the one or more electro acoustic technology assemblies.

4. The system of claim 2 wherein the pump down electro acoustic technology charging assembly is further used to transmit to or receive data from to the one or more electro acoustic technology assemblies.

5. A system for enabling inductive charging through downhole casings for electro acoustic technology devices comprising:

a. one or more electro acoustic technology assemblies with enclosed rechargeable batteries attached to the outside of non-magnetic downhole casings;

b. casing induction coils attached to the outside of the downhole casing at each electro acoustic technology assembly location;

c. a fiber optic cable in close proximity to the electro acoustic technology assemblies and in communication with a surface distributed acoustic fiber optic interrogator;

d. a wireline electro acoustic technology charging assembly comprising:

iii. a wireline;

iv. one or more a wireline charger interrogators; and

v. one or more wireline induction coils.

6. The system of claim 5 wherein the wireline electro acoustic technology charging assembly is used to charge the rechargeable batteries of the one or more electro acoustic technology assemblies.

7. The system of claim 5 wherein the wireline electro acoustic technology charging assembly is used to power the one or more electro acoustic technology assemblies.

8. The system of claim 5 wherein the wireline electro acoustic technology charging assembly is further used to transmit to or receive data from to the electro acoustic technology assemblies.

9. A method for enabling inductive charging through downhole casings for electro acoustic technology devices comprising:

a. providing one or more electro acoustic technology assemblies with enclosed rechargeable batteries attached to the outside of non-magnetic downhole casings;

b. providing casing induction coils attached to the outside of the downhole casing at each electro acoustic technology assembly location;

c. providing a fiber optic cable in close proximity to the electro acoustic technology assemblies and in communication with a surface distributed acoustic fiber optic interrogator; and

d. providing an acoustic technology charging assembly in the casing.

10. The method of claim 9 further providing inductive charging to the batteries of the one or more electro acoustic technology devices by pumping the pump down electro acoustic technology charging assembly to the location of any of the electro acoustic technology devices requiring charging.

11. The method of claim 10 further providing power to power the one or more electro acoustic technology assemblies.

12. The method of claim 10 further is providing data transfer between electro acoustic charging assembly and the electro acoustic technology assemblies.

13. The method of claim 10 , wherein the acoustic technology charging assembly comprises a wireline electro acoustic technology charging assembly.

14. The method of claim 10 further providing inductive charging to the batteries of the one or more electro acoustic technology assemblies via the wireline electro acoustic technology charging assembly.

15. The method of claim 9 further providing power to power the one or more electro acoustic technology assemblies via the wireline electro acoustic technology charging assembly.

16. The method of claim 15 further is providing data transfer between the wireline electro acoustic charging assembly and the one or more electro acoustic technology assemblies.

17. The method of claim 15 , wherein the acoustic technology charging assembly comprises a pump down electro acoustic technology charging assembly.

18. The method of claim 15 , wherein the wireline electro acoustic technology charging assembly comprises a wireline, a wireline charger interrogator, and a wireline induction coil.