Keywords Complex lithology;Low-penetrability Acid rock reaction;Acid viscosity;Depth acid fracturing Closed fracture acidizing;Poly-component acid;Emulsified acid;

• 复杂岩性;低渗透;酸岩反应;酸液粘度;深度酸压;闭合裂缝酸化;多组分酸;乳化酸;