常压混砂准干法压裂技术的研究与应用

常压混砂准干法压裂技术作为一种二氧化碳压裂新技术，继承了二氧化碳压裂技术的独特优势，并且具有无需专用密闭混砂设备、常压混砂、配制方便、减阻和携砂一体化应用等特点。为了对常压混砂准干法压裂技术的下一步推广提供相关技术支持，本文对该技术进行了系统评价与研究。包括该技术的产生背景、技术思路和优势作了阐述与分析，配套产品的性能和准干法压裂液的性能评价，以及现阶段开展的现场应用案例展示。研究表明，常压混砂准干法压裂技术的准干法压裂液具有优异的压裂液性能，并且具有优异的增气增油效果。该技术为当前非常规油气的大规模高效开发提供了新的解决思路和办法。 

Study and Application of Normal Pressure Sand Mixing Quasi-Dry Fracturing Technology

As a new CO₂ fracturing technology, the normal pressure sand mixing quasi-dry fracturing technology inherited the unique advantages of the CO₂ fracturing technology. The normal pressure sand mixing quasi-dry fracturing technology does not necessitate special closed sand-mixing equipment and the sand can be mixed at normal pressure. With this fracturing technology, sand is mixed with ease, and drag reducing and sand carrying can be done in an integrated manner. In this paper the background, technical ideas and advantages of the normal pressure sand mixing quasi-dry fracturing technology is set out and analyzed, and the performance of the products and the quasi-dry fracturing fluid are systematically evaluated and studied. Meanwhile, based on the present field application of the normal pressure sand mixing quasi-dry fracturing technology, technical support for the promotion of this new fracturing technology in the future is provided.