它采用高孔密大孔径深穿透射孔弹和大压差抽吸炮眼清洗技术，不仅能提高油井产能，解除近井带污染，还可以改善防砂完井效果。
The technology uses deep penetration perforation charge with high perforation density and large perforation diameter and surging perforation with greater pressure differential.
欢127-平2井为辽河油田第1口二开套管射孔完井的水平井，油藏埋深较浅。
The Well Huan127-Ping2 is the first horizontal well with technical casing perforation completion, with shallow reservoir.
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