Abstract: Under the background of the“ dual carbon” goal, Changqing oilfield has taken advantage of wind and solar resources in Northwest China and the resources in the Ordos Basin to aim its own carbon peak target in 2029, which makes research on technological path and typical technological breakthrough to focus on the general tasks for green and low-carbon transition. By technological pathways such as system optimization for energy conservation and efficiency enhancement, cleaner replacement with green energy, increase the oil and gas production by carbon burial and utilization, utilization and comprehensive application of associated gas resources, along with forward-looking explorations in carbon asset management. The oilfield promoted the process of recovering gas from testing gas wells and the technology to collect and recover a large quantity of gas from shale oil,and trialed multi-energy complementary zero-carbon technologies integrating“ photovoltaics+energy storage+hydrogen energy”.Meanwhile, it also made research on a number of technologies, such as the auxiliary process for safe production and injection in CCUS full-lifecycle safe, the CO2 enhanced fracturing and gel water-plugging technology, hydrogen production/storage from non-purified water and lithium resources extraction technology. It also explored the technology for carbon footprints verification in the full life cycle and development of carbon assets from the oil and gas field projects. Those efforts promoted oil and gas development in integration with new energy development, supporting green transition of the oil and gas fields.

Key words: Changqing Oilfield; energy saving and carbon reducing; technological path; carbon footprints verification; multienergy reciprocation

摘要： “双碳”战略目标背景下，长庆油田依托西北地区风光资源及鄂尔多斯盆地资源优势，瞄准2029年自身碳达峰目标，围绕绿色低碳转型总体任务开展技术路径研究与典型技术突破。通过系统优化节能瘦身、绿色用能清洁替代、埋碳用碳油气增产、伴生资源综合利用等技术路径及碳资产管理相关前瞻性探索，推广了试气及页岩油大气量回收技术，试验了“光电+储能+氢能”等多能互补零碳技术，攻关了CCUS全生命周期安全注采配套工艺、CO2增能压裂及凝胶堵水技术，探索了采出水无纯化制氢储氢及锂资源提取技术，提炼了全生命周期碳足迹核查及油气田项目碳资产开发等技术，促进了油气开发与新能源融合发展，为油气田绿色转型提供有力支撑。

关键词: 长庆油田；节能降碳；技术路径；碳足迹核查；多能互补