中国石油获得实用新型专利授权:“一种内置式管汇平板阀阀座取出工具”

证券之星企业动态
Nov 13, 2025

证券之星消息,根据天眼查APP数据显示中国石油(601857)新获得一项实用新型专利授权,专利名为“一种内置式管汇平板阀阀座取出工具”,专利申请号为CN202422690008.7,授权日为2025年11月11日。专利摘要:本实用新型属于油气井维护技术领域,涉及一种内置式管汇平板阀阀座取出工具。取出工具包括丝杆,所述丝杆的工作端活动连接有锁紧卡块,所述锁紧卡块为半圆柱结构,所述半圆柱结构的的圆周边...

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