重庆现房销售细则落地：在途项目分类过渡 现房定金不超5%
重庆现房销售细则落地：在途项目分类过渡 现房定金不超5%中国石油获专利，利用测井曲线定量识别深层富锂卤水
11月6日，中国石油（601857）的发明专利《深层富锂卤水测井识别方法、系统、电子设备及存储介质》获授权，申请号为CN202410803335.0。
方案先从自然伽马和自然电位测井曲线判断岩性，再配合孔隙度曲线分析储层物性。由此建立含水饱和度模型，区分储层中不同流体的含量，然后把结果与水化学分析资料结合，用于估算地下卤水中锂离子含量。技术路线从辨认地层逐步过渡到解释流体成分，为判断富锂卤水在不同深度和位置的分布提供数据。
截至此次授权消息披露时，中国石油今年获得的各类专利授权共2255项，比上年同期增加40.24%。在2026年上半年，公司研发投入为128.87亿元，同比增长30.18%。企业知识产权记录中，中国石油天然气股份有限公司名下可查到52937条专利信息。
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