渤西油气田海底输气管道清管技术

Pigging technique of submarine gas line in the Boxi oilfield

针对渤西油气田海底输气管道清管作业中存在的不利因素,改进了泡沫清管球清管技术,克服了管道变形、单密封面球阀不利于通球的技术难题,并成功地实施了该输气管道的清管作业,取得了明显的清管效果。渤西油气田海底输气管道清管技术的研究与实践,在一定程度上使存在局部变形或缺陷的输气管道也能进行清管作业,拓宽了清管技术的应用范围。

In order factors exist in pig to deal with the disadvantaged ging submarine gas pipeline in the Boxi oilfield, a foam pig technology has been modified to overcome the the pipe deformation and s its the pigging. Successful submarine gas pi The pipe exte pigging opera technical problem that ingle seal ball valve limpigging operation in the peline obtained obvious effect. tion can be carried out on the gas line with deformat nt through the rese submarine pipeline expanded the applic ion arc e or limitations to some h and practice of pigging Boxi oilfield, which has ation scope of the pigging tech nology.