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How does voltage affect MWD performance in downhole high-temperature Li-ion batteries?

The voltage of high-temperature lithium batteries used downhole is closely related to their lifespan. In a high temperature environment, the voltage of high temperature lithium batteries may drop, affecting their service life. Therefore, choosing lithium batteries that can maintain a high voltage at high temperatures is critical to extending the life of MWD equipment.

If the voltage of the high-temperature lithium battery exceeds its safe working range, it may cause the battery to overheat, leak or even explode, which is extremely dangerous for downhole operations. Therefore, the selection of high-temperature lithium batteries with stable voltage is crucial to ensure the safety of downhole operation.

When the battery voltage drops below a certain threshold, the MWD device may stop working due to insufficient power, resulting in data loss. Therefore, maintaining a high battery voltage helps ensure data integrity and continuity.

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