金融界2025年6月7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;中国石油集团川庆钻探工程有限公司取得一项名为“一种钻井液高温高压试验保护装置”的专利,授权公告号CN118407725B,申请日期为2023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48690000万人民币。通过天眼查大...
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