US Patent 11536092 Breech lock connection for drilling riser auxiliary line

An auxiliary line system for a drilling riser includes a first auxiliary line portion configured to couple to a first section of the drilling riser, a second auxiliary line portion configured to couple to a second section of the drilling riser, and a breech lock connection. The breech lock connection includes a first portion configured to couple to the first auxiliary line portion and comprising a first engagement feature and a second portion configured to couple to the second auxiliary line portion and comprising a second engagement feature. The breech lock connection is configured to adjust between a locked configuration and an unlocked configuration.