It has the advantages of low cost and simple technical process and can fill the depleted reservoirs.It is suitable for sand control in thermal recovery heavy oil wells in high - cycle huff and puff.

• 该防砂技术具有费用低、工艺简便、见效快、填补油层亏空等特点,适应稠油油藏热采高周期吞吐油井防砂。