With the increasing of high temperature oil wells and steam ones, the traditional sands control filter cannot be used in those wells. Therefore, based on the conditions, using particle compact method, round quartz sands with a certain particle size and an inorganic polymer (geopolymer) material with good heat resistance is selected to prepare a heat-resistant filter with suitable pore diameter. By adjusting the contents of water-glass, water, sand and thickening agent of the geopolymer-based sand control filters, open space structure is built by low-cost geopolymer slurry and sand. When the size of quartz sand is mainly of 450–600 µm, and the volume ratio of quartz sand to slurry is 4.3:1, the compressive strength and permeability of this sand control filter reach 10.33 MPa and 18 D, respectively. Thermal gravimetry and calcination experiments show heat-resistance up to 736 °C. Scanning electron microscopy shows that the sand particles are wrapped by the geopolymer slurry and that pore sizes of 170–210 µm are present between the particles. Mercury intrusion porosimetry measurement finds the pore size distribution to be close to 150–280 µm. Measurement of sand retaining precision indicates that the filter can intercept particles larger than 45 µm and allow clay particles to pass through. Deformation measurements confirm no significant deformation occurred for up to 210 days and durability of the filter. In measurement of chemical resistance, the compressive strength decreases in the acid solution, and no significant changes in the compressive strength are observed in air, water, diesel oil and salt solutions. Therefore, compared to the approach of improving the heat-resistance of a resin sand control filter, the use of the geopolymer-based sand control filter should be a better choice in many cases due to its heat resistance, ease of preparation and minor deformation.

随着高温油井和蒸汽井的增加，传统的防砂过滤器无法在这些井中使用。因此，根据条件，使用颗粒压缩法，选择具有一定粒径的圆形石英砂和具有良好耐热性的无机聚合物（地质聚合物）材料，以制备具有合适孔径的耐热过滤器。通过调整基于地质聚合物的防砂过滤器的水玻璃，水，沙子和增稠剂的含量，可以使用低成本的地质聚合物浆料和沙子来构建开放空间结构。当石英砂的尺寸主要为450-600 µm，且石英砂与浆液的体积比为4.3：1时，该防砂过滤器的抗压强度和渗透率分别达到10.33 MPa和18D。热重分析和煅烧实验显示出高达736°C的耐热性。扫描电子显微镜显示，沙子颗粒被地质聚合物浆包裹，颗粒之间存在170-210 µm的孔径。汞侵入孔隙率法测量发现孔径分布接近150–280 µm。砂粒保留精度的测量表明，该过滤器可以截获大于45 µm的颗粒，并使粘土颗粒通过。变形测量结果证实，在长达210天的时间里，没有发生明显的变形，并且滤清器具有耐久性。在耐化学性的测量中，在酸性溶液中的抗压强度降低，并且在空气，水，柴油和盐溶液中未观察到抗压强度的显着变化。因此，