Abstract
The Mishrif reservoir has faced numerous setbacks during acid stimulation activities, leading to multiple failures of acid treatment. To investigate this issue, a series of acid treatment experiments were conducted to examine the petrophysical characteristics of the reservoir. Through extensive acid-flooding experiments on core samples, valuable insights were gained regarding the influence of mineralogy on the outcomes of acid treatment and the resulting changes in rock properties. Notably, a novel concept was discovered during the experimental observation of the acoustic waveform before and after acid treatment of the rock sample, which was attributed to the formation of wormhole channels and mineral disintegration. This finding was subsequently verified through a CT scan, providing further evidence for the impact of mineralogy on acid treatment success.
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