公开(公告)号：US20230250913A1

公开(公告)日：2023-08-10

申请号：US17650626

申请日：2022-02-10

Applicant: SAIDI ARABIAN OIL COMPANY

Inventor： Mohanned Tarabzouni

IPC: F16L55/175 ,  F16L55/46

CPC classification number: F16L55/175 ,  F16L55/46

Abstract: A scraper launcher includes a body having a rim and a trap door having a first surface and a second surface, where an interfacing portion of the second surface interfaces with an interfacing surface of the rim when the trap door is closed against the rim. A seal is provided between the interfacing portion of the trap door and the interfacing surface of the rim. The scraper launcher also includes a sealant injection system with sealant passages formed through the scraper launcher, fluidly communicating an exterior of the scraper launcher to an interior of the scraper launcher, and an injection fitting in communication with the sealant passages.