ABSTRACT
Oil and gas pipelines are generally buried by directional drilling or large excavation in the section that crosses the river, resulting in a large buried depth of the pipeline. Restricted by conditions such as burial depth and rivers, conventional detection techniques cannot be performed. Foreign countries have carried out the detection of crossing rivers earlier, but the functions do not fully meet the detection needs. This paper introduces a detection technology specially used for pipelines crossing rivers, which combines ROV for submarine pipeline detection with conventional buried detection technology, and is equipped with underwater cameras and sonar equipment. Through practical cases, the feasibility of the detection technology is verified, which has important reference significance for the detection of pipelines crossing rivers.
