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← TechnologyWhich risk rises in hydraulic fracturing when pressure pulsations excite a gas-charged accumulator?
A)Uncontrolled resonance causing seal failures✓
B)Fluid density increasing inhibiting proppant delivery
C)Wellbore collapse from sustained low pressure
D)Sand screen blockage from fluid separation
💡 Explanation
When pressure pulsations occur, a gas-charged accumulator can experience uncontrolled resonance because the pressure waves match its natural oscillation frequency causing amplified motion and stress leading to cracked seals. Therefore seal failures result from resonance, opposed to proppant-induced blockage/wellbore collapse/fluid separation which depend on diverse factors.
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