Manufacturing and installing method of FPSO module buttress based on precise positioning and machining amount optimization

• Main Authors: MA HAORAN, MENG GUANGJIA, WANG RUI, QIU GONGMING, XIONG CHUN, CAI SIYUAN, LUO YONGFEI, DONG JUN, GAO WENJING
• Format: Patent
• Language: Chinese; English
• Published: 18.06.2024
• Subjects: EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS; PERFORMING OPERATIONS; RELATED EQUIPMENT; SHIPS OR OTHER WATERBORNE VESSELS; TRANSPORTING

The invention relates to the technical field of ship equipment, and discloses a manufacturing and mounting method of an FPSO module buttress based on precise positioning and machining amount optimization. The manufacturing and mounting method comprises the steps that the module buttress is manufactured; reserving a benchmark; performing segmented reference line returning; carrying lineation construction, and completing segmented painting; carrying and positioning module buttresses; module buttress horizontal adjustment and allowance lineation cutting are carried out; measuring and welding before welding; checking a lower opening gap before welding; collecting post-welding data; correcting the center line of the module buttress and machining and calculating the base plate; according to the manufacturing and mounting method, the manufacturing precision of the buttress can be improved, the cost is reduced, the construction period is shortened, the quality and mounting efficiency of the whole project are improved