金融界2025年4月26日消息,国家知识产权局信息显示,中国石油天然气集团有限公司、中国石油集团工程技术研究院有限公司、北京石油机械有限公司取得一项名为“一种压力场重构的方法、判定井下复杂方法及装置”的专利,授权公告号CN114526059B,申请日期为2021年12月。天眼查资料显示,中国石油天然气集团有限公司,成立于1990年,位于北京市,是一家以从事燃气生产和供应业为主的企业。企业注册资本...
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