地层堵塞 meaning in English

formation blanked off
formation plugging
reservoir choke

Plugging characteristics and plug - removing measures of low - permeability reservoir
低渗地层堵塞特征及解堵技术研究
Meanwhile , its negative influences under the reservoir conditions should be recognized such as influence of microorganism on reservoir permeability , influence of the products of microorganism on formation plug , influence of iron sulfides precipitation and biochemical affection of microorganism
研究认为，油藏条件下微生物也有其负面影响，如菌体对储集层渗透率的影响、微生物的生成物引起地层堵塞、硫化铁的影响、微生物的生化作用等。