注汽井环空氮气隔热工艺优化方法与实践
郭斌建
Optimization method and practice of annular nitrogen thermal-insulation technology for steam-injection wells
Guo Binjian
特种油气藏 . 2026, (4): 139 -145 .  DOI: 10.3969/j.issn.1006-6535.2026.04.018