Daqing Oilfield Successfully Builds 3D Fine Geological Model for Thin Reservoir
Quick Look
Daqing Oilfield's fifth oil production plant has successfully developed a 3D fine geological model for the Xingnan Development Zone, filling a technical gap in thin reservoir modeling and boosting oilfield efficiency.
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Why It Matters
The Xingnan Development Zone in Daqing Oilfield is in its mid-to-late development stage, facing complex geological conditions and increasing pressure for stable production. Thin reservoirs, accounting for 61.8% of its output, have been a challenge due to their fragmented nature and the limitations of previous modeling techniques.
中新网大庆5月25日电 (王立峰)25日，记者从大庆油田了解到，为进一步盘活杏南开发区区域内难动用储量，推动开发效益稳步提升，大庆油田采油五厂的技术人员历时三年攻坚，成功构建开发区级三维精细地质模型。这一模型填补了油田薄层储层精细建模技术空白，为老油田深度挖潜注入强劲技术动能。
大庆油田的技术人员在录取实验数据。 王立峰 摄
杏南开发区现已步入开发中后期，地下地质条件错综复杂，稳产增产压力持续加大。区域薄层储层产量占比高达61.8%，储层砂体厚度微薄、分布碎片化、形态变化无常，长期受建模精度不足、多类数据融合困难等问题制约，区块产能提升受限，相关建模技术此前也存在行业空白。
面对薄层储层构造复杂、纵向层系差异显著、建模技术标准严苛等难题，大庆油田采油五厂技术团队打破传统单一数据源建模固有思路，以高精度构造框架为基础，融合沉积相判别、地层物性参数、现场射孔实测等多维度数据，搭建联动质控分析体系，精准复刻薄层储层微观地质样貌。
此次建模技术创新突破，有效厘清薄层储层油气分布规律，精准锁定剩余油富集区域，大幅提升油藏动态预测准确度。后续该模型将全面应用于井位部署、措施改造、储量动用等实际生产场景，以数字化建模技术驱动老区油田高效开发，持续推动杏南开发区采收率与开发效益双提升。(完)
Open Questions
- What is the specific increase in oil recovery rate expected from this new model?
- How will this technology be applied to other development zones within Daqing Oilfield?
- What were the specific challenges encountered during the three-year development of the model?
- What is the cost-benefit analysis of implementing this new modeling technology?
