Identification of formation plugging risk- A case study of gas reservoir in Deng4 member of Gaoshiti-Moxi block
DOI:
https://doi.org/10.54097/hset.v25i.3491Keywords:
RTA analysis; Blockage analysis; Composition analysis of plugging materialAbstract
Gaoshiti-moxi block of Anyue Gas field is a highly heterogeneous carbonate gas reservoir with low porosity and low permeability. According to the production dynamic data, deng4 gas reservoir in Gaoshiti-Moxi block is blocked to some extent. Combined with reservoir parameters, productivity parameters, gas well production curve, RTA analysis and other means, the cause of plugging in special single well was analyzed. Through various experiments, the composition of the plugging material is analyzed, and the formation mechanism of the plugging material is deduced, which provides a reference for the later gas field development and the research of plugging measures.
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