What is the role of LWD, MWD and ER type...
Read MoreWhat are the signs that MWD downhole lithium batteries are degrading and need to be replaced?
If the operating time of the battery is significantly shorter than the operating mode of the MWD downhole instrument and the total number of pulses sent, this may be an indication that the battery is depleting energy too quickly and its performance is degrading.
A significant reduction in the weight of the battery may mean a loss of material within the battery, leading to a reduction in performance.
Under normal operating conditions, if the temperature of the battery rises abnormally, this may be a sign of a chemical reaction within the battery or a decline in battery performance.
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