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渤海BZ25-1油田开发井型及完井方式适应性 被引量:12

Compatibility of different development well types and well completion systems with reservoirs in BZ25-1 Oilfield
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摘要 为了寻找适合渤海BZ25-1油田的合理开发井型和完井方式,首先应用产能预测解析方法,计算了不同井型的理论产能,并结合各种测试资料、开发井实际生产动态的对比分析,对渤海BZ25-1油田不同井型、完井方式油井的合理产能进行评价;然后利用灰色关联分析方法,找出了影响产能的主要因素;分析储层渗透率、地层系数变化时,不同完井方式对储层条件的适应性;最后提出了适合渤海BZ25-1油田的开发井型及完井方式。研究认为:对于海上油田的地质条件和开发要求,适合采用水平井、分支井等开发井型,宜采取裸眼优质筛管完井方式。研究结果为渤海BZ25-1油田及其他相似油藏,选择合理的开发井型、完井方式提供了科学依据。 In order to look for the rational development well types and completion methods, which are suitable for BZ25-10ilfield of Bohai, the analytic method of productivity prediction is applied to calculate the theoretical productivity of various well types. According to the test data and practical production performance, reasonable productivity of different well types and completion methods are assessed in BZ25-10ilfield. The main factors of affecting productivity are identified by using gray correlation analysis, and the adaptability of the different completion methods to the reservoir conditions is analyzed for the different permeability and formation conductivity conditions. At last, the development well types and well completion systems are put forward, which are fit for BZ25-10ilfield. It suggests that the horizontal well and multilateral well are suitable for the geological conditions and development requirements of offshore oilfield, and the high-quality screen completion with open hole is proposed. The study result provides the scientific bases for the development of BZ25-10ilfield and other similar oilfields, and the selection of reasonable well types and well completion systems.
出处 《断块油气田》 CAS 北大核心 2010年第4期458-461,共4页 Fault-Block Oil & Gas Field
基金 国家高技术研究发展计划(863)项目"渤海油田早期聚合物驱效果评价技术"(2007AA090701-7)
关键词 开发井型 计算模型 产能 表皮系数 适应性评价 development well types, computational model, productivity, skin factor, compatibility evaluation.
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