中国石油化工股份有限公司等一种低产液煤层气井泡沫洗井方法专利完成登记(油气钻采专利快讯)

DoNews
Oct 10

天眼查App显示,2025-10-10,“一种低产液煤层气井泡沫洗井方法”(patentName)正式进入专利的公布阶段。申请人为中国石油化工股份有限公司,中国石油化工股份有限公司华东油气分公司,中石化重庆页岩气有限公司,该项油气钻采专利涉及煤层气井高效清洁维护的技术场景。据专利信息显示,通过高浓度洗井液形成泡沫阻隔、低浓度洗井液实施冲洗的梯度浓度控制策略,有效防止洗井液入地层漏失,循环效率实现...

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