Rechargeable energy storage device in a downhole operation
In some embodiments, an apparatus includes a tool for a downhole operation. The tool includes an electrical component. The tool includes a rechargeable energy storage device to supply power to the electrical component. The tool also includes a generator to supply power to the electrical component.
1. An apparatus comprising:
a tool for a downhole operation, the tool including,
one or more electrical components;
first and second rechargeable energy storage devices, each energy storage device to supply power to the electrical components;
a generator to supply power to the rechargeable energy storage devices; and
a controller to selectively supply power to recharge the first energy storage device while the second energy storage device supplies power to the one or more electrical components, and to selectively provide power to recharge the second energy storage device while the first energy storage device supplies power to the one or more electrical components.
2. The apparatus of claim 1 , wherein each of the first and second rechargeable energy storage devices is a Direct Current power source, and wherein the generator is an Alternating Current power source.
3. The apparatus of claim 1 , wherein each of the first and second rechargeable energy storage devices is operable at a high temperature.
4. The apparatus of claim 1 , wherein at least one electrical component is not operable at a high temperature.
5. The apparatus of claim 4 , wherein the at least one electrical component is not operable at above 175 degrees Celsius.
6. The apparatus of claim 1 , wherein each of the first and second rechargeable energy storage devices comprises a battery, a capacitor, a fuel cell or a mechanical energy storage device.
7. An apparatus comprising:
a tool for a downhole operation, the tool including,
an electrical component;
a first direct current (DC) rechargeable energy storage device coupled to the electrical component;
a second DC rechargeable energy storage device coupled to the electrical component; and
an alternating current (AC) power source to charge the first DC rechargeable energy storage device while the second DC rechargeable energy storage device is to supply power to the electrical component and wherein the AC power source is to charge the second DC rechargeable energy storage device while the first DC rechargeable energy storage device is to supply power to the electrical component.
8. The apparatus of claim 7 , wherein the AC power source comprises a generator powered based on a fluid flow.
9. The apparatus of claim 7 , wherein the first DC energy storage device is operable at a high temperature.
10. A method comprising:
operating a tool downhole, the operating comprising,
performing the following operations during a first time period,
powering an electrical component with a first rechargeable energy storage device; and
charging a second rechargeable energy storage device with an alternating current (AC) power source; and
performing the following operations during a second time period,
powering the electrical component with the second rechargeable energy storage device; and
charging the first rechargeable energy storage device with the AC power source.
11. The method of claim 10 , wherein the AC power source comprises a turbine generator powered based on a flow of mud downhole.
12. The method of claim 10 , wherein the first energy storage device is operable at a high temperature.
13. The method of claim 12 , wherein the high temperature is above 175 degrees Celsius.
14. The method of claim 10 , wherein the first energy storage device and the second DC energy storage device are operable at a high temperature.
15. The method of claim 14 , wherein the high temperature is above 175 degrees Celsius.
16. The method of claim 10 , wherein operating the tool downhole further comprises measuring a downhole parameter with a sensor having a different electrical component operable at a high temperature and coupled to the electrical component.