φ177.8mm套管大通径一次多层压裂工艺研究及应用
China Offshore Oil and Gas(2019)
Abstract
通过内外压裂管柱组合和压裂工艺研究,在优选冲管和筛管基础上提出了φ177.8 mm套管大通径一次多层压裂工艺,并对压裂管柱沿程摩阻和管柱强度进行了分析.结果 表明,所提出的φ177.8 mm套管大通径一次多层压裂工艺沿程摩阻、冲蚀强度和抗拉强度均可满足渤海油田疏松砂岩多层压裂作业要求.目前φ177.8 mm套管大通径一次多层压裂工艺已在渤海油田15口防砂作业井中取得成功应用,具有较好的推广应用价值.
MoreKey words
large drift size,multi-layer
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