中石油深层致密油气压裂液体系已实现国产化替代！

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长城钻探自研的高性能海水基压裂液、压驱液助剂2025年累计销量突破千吨，在渤海、南海等区域的90余口井广泛应用，实现了海水基压裂液、压驱液体系的国产化替代。随着陆地资源勘探开发的深入，广袤的海洋已成为保障国家能源安全的战略接替区。然而，向深远海、低渗透、致密油气藏进军，道路绝非坦途。“海洋低渗致密油气藏的孔隙细微得像毛细血管，常规开发措施难以实现效益开发。更现实的矛盾是海上平台空间有限，淡水压裂、...

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localization!","themeId":null,"isJumpTheme":false,"ttsUrl":null,"symbols_score_info":{"00857":0.9},"content_text":"长城钻探自研的高性能海水基压裂液、压驱液助剂2025年累计销量突破千吨，在渤海、南海等区域的90余口井广泛应用，实现了海水基压裂液、压驱液体系的国产化替代。随着陆地资源勘探开发的深入，广袤的海洋已成为保障国家能源安全的战略接替区。然而，向深远海、低渗透、致密油气藏进军，道路绝非坦途。“海洋低渗致密油气藏的孔隙细微得像毛细血管，常规开发措施难以实现效益开发。更现实的矛盾是海上平台空间有限，淡水压裂、压驱措施运输和储存成本高，难以规模化应用，而直接使用海水又因其中高浓度的盐分、钙镁离子及微生物，极易导致增稠剂起黏速度慢、液体性能失效、地层伤害等问题。”长城钻探昆山公司研发工程师袁哲解释道。长期以来，“海水适配难、淡水供不上”严重制约着海上油气田，特别是需要大规模压裂和压驱区块的经济有效开发。面对行业共性难题，长城钻探将目光锁定在最充沛也最棘手的“海水”配制压裂液研究上。自2021年起，该企业聚焦海洋致密油气与页岩油气藏储层改造的技术痛点，开始了高效攻关。“核心是要让压裂液、压驱液‘耐受’海水，实现持续高效开发。”昆山公司研发工程师朱明山介绍道，“我们经过大量实验、性能评价和配方优化，陆续攻克了碱性及中性海水基压裂液和压驱液一体化等关键核心技术，构建出适配海上低渗透油藏的海水基储层改造增产液体体系，并快速推进产品市场转化。”目前，压裂液体系具备高达35%砂比的挟砂能力，能在距离海岸线超200公里的海上平台上，将支撑剂精准送至千米裂缝深处，形成高效导流通道。而压驱液体系不仅能耐受矿化度超过3.3万毫克/升的海水，还能在160摄氏度高温地层中保持性能稳定。整套技术兼具适配性强、原料获取便捷、综合成本显著降低的优势。渤海某区块客户评价道：“这项技术让海上大规模储层改造更具可操作性与经济性，为油气储量的有效动用打开了全新空间。”来源：中国石油新闻中心通讯：王晓雪编辑：天乐","kind":"news","is_publish_news":true,"is_publish_highlight":false,"is_publish_live":false,"is_publish_wemedia":null,"editions":null,"column":"","sentiment":"1","news_tag":"productRelease","news_rank":0,"isVideo":false,"video":null,"symbols":[],"gpt_button":1,"need_auth":false,"need_login_tip":false,"code":"91000000","status":"200"},"commentList":[],"isCommentEnd":true,"newsSizeData":{"likeSize":0,"commentSize":0,"repostSize":0,"favoriteSize":0,"likeStatus":false,"favoriteStatus":false},"APP":{"userAgent":"Mozilla/5.0 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