TSR and its products, CO_2 and H_2S, make the dolomite and anhydrite dissolved, which increases the porosity and then improve the physical property of reservoir.

• 3TSR相关流体(烃类和H2S等)与储层岩石之间的相互作用使储层被溶蚀和硬石膏发生蚀变,造成储层孔隙度增大,从而对改善其物性具有重要意义。