Scraper Door Integrity & Operations; A case study of Maintaining Integrity of Doors

Proceedings Publication Date:

07 Jul 2020
Presenter
Khaled Al-Odaib
Presenter
Company
Author
Mousa Alharbi, Khaled Al-Odaib, Abdulrahman Al-Shammari, Dr. Husain Al-Muslim
Part of the proceedings of
Abstract

Scraper door, also known as closure, is the last barrier that isolate the scraping barrel from external environment, which is required to protect personnel working around it during the operational and maintenance activities. If the door fails, the scraping facility cannot be used for pipeline operations, external leaks are likely to occur, and the area will be classified as hazardous zone. The scraper doors come in different designs, which have different features, and also require different operations and different maintenance techniques. Through the years, and industrial developments, several designs have been improved to overcome several challenges faced during the operations. Threaded type doors and flange type doors, which is considered one of the old types, and had many challenges with this design, have been replaced the quick opening type in most industry applications.. The paper will share operators’ experiences with the different door types, and will list down the different materials, design differences, and main features. Moreover, the paper will shed lights on various failures including pitting of grooves, difficulties of door operation, external leaks, and others. Finally, the paper will go over several recommendations for doors starting with a design and material selection specifications, required training, and preventive maintenance techniques.

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