本文简要介绍管线穿越河流的施工技术,结合河南油田江河油矿管线建设工程实例,针对施工地段的工程地质和水文条件,阐述了管线穿越河流围堰施工流程及其施工技术,提升了施工质量及其经济效益。 This article briefly introduces the construction technology of pipeline crossing river and the construction project of river oil and gas pipeline in Henan Oilfield. According to the engineering geology and hydrological conditions of construction site, the construction flow and construction technology of pipeline crossing river cofferdam are expounded, and the construction quality and its Economic benefits.