CAJ | 학술논문

海底管道是海洋油气田的生命线，然而随着服役时间的累积，越来越多的管道达到设计使用寿命，出现超期服役隐患。采用工程物探调查设备调查了超期服役海底管道的悬跨、裸露及埋藏状况。采用海底管道评估软件系统，对海底管道临界悬跨长度、悬跨段疲劳寿命进行了评估，以期掌握管道的服役状态，并为管道维护决策提供支持，从而规避运行风险，提高管道运营的安全性。
해저관도시해양유기전적생명선，연이수착복역시간적루적，월래월다적관도체도설계사용수명，출현초기복역은환。채용공정물탐조사설비조사료초기복역해저관도적현과、라로급매장상황。채용해저관도평고연건계통，대해저관도림계현과장도、현과단피로수명진행료평고，이기장악관도적복역상태，병위관도유호결책제공지지，종이규피운행풍험，제고관도운영적안전성。
Subsea pipeline is the lifeline of the offshore oil & gas field .More and more pipelines have reached their designed life with the increase of the service time .Geophysical equipment acquired the date of the free span ,exposure and buried condition for the subsea pipelines .The subsea pipeline assessment system assessment the critical length and fatigue life of free span .By knowing of the condition of those lines in service ,the operation risk was decreased and the safety of the subsea pipelines was increased .The support of maintenance for the owner of the subsea pipelines was also offered .