Firstly,according to the analysis of the effect of drilling fluid invasion or resistivity logging,in theory,proposed is a method for calculating mud invasion depth by deep-,medium-and shallow-investigation resistivity combination logging data,and according to the relation formula of mud pollution depth and mud invasion depth,the indexes of reservoir pollution quantitative evaluation is obtained.
百色盆地东部坳陷中央凹陷带那读组储层具有低孔隙度低渗透率特征,一直缺乏有效评价该地区储层泥浆污染程度的方法。