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中新网大庆7月25日电 (陈洋洋)25日,记者从大庆钻探工程有限公司获悉,在塔克拉玛干沙漠腹地,大庆钻探西部钻井公司905003钻井队,在庆玉201井二开施工中,以2015米的日进尺刷新了中石油333.4毫米井眼施工纪录,更在一开444.5毫米井段创下71米/小时的机械钻速,远超区块平均水平。

庆玉201井以9540米的设计井深跻身大庆钻探最深井行列,其“超深、超高温、超高压、高含硫”的“三超一高”特性,在全球钻井领域都堪称“硬骨头”。
技术团队借鉴塔里木施工经验,积极实行“一段一策”。在防斜上,采用微扩眼器+预弯曲钻具组合,从根源控制井眼轨迹偏差;排砂上,将排量提至80升/秒以上,确保井筒清洁无隐患;效率上,用砂泵替代人工赶砂,大幅提升岩屑处理速度;衔接上,通过接立柱比武,将操作时间从6-8分钟压缩至4-5分钟,工序流转效率显著提高。
这些创新不仅让二开日进尺突破2000米大关,更让一开机械钻速较区块平均水平提升42%,用数据印证了技术优化的实效。
庆玉201井的阶段性突破,不仅是905003钻井队的胜利,更标志着大庆钻探在“三超一高”井型施工中形成了可复制的技术体系与管理模式。
目前,钻井队已投入后续施工,将继续以“每米进尺都精准”的标准,为我国深层石油勘探积累宝贵经验。(完)
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