大庆永铸取得页岩油开发用纳米水基钻井液专利

Group 1 - The core point of the article is that Daqing Yongzhu Petroleum Technology Development Co., Ltd. has obtained a patent for a "nano-water-based drilling fluid for shale oil development and its preparation method" with the authorization announcement number CN120829766B, applied on September 2025 [1] - Daqing Yongzhu Petroleum Technology Development Co., Ltd. was established in 2019 and is located in Daqing City, primarily engaged in the oil and gas extraction industry [1] - The company has a registered capital of 20 million RMB and has participated in 51 bidding projects, holds 45 patent information, and possesses 18 administrative licenses according to data analysis from Tianyancha [1]