Subsea wells' fiber optic installations must operate over several km of subsea cabling and through a critical chain of wet connects on the subsea tree (which provide optical continuity from one fiber to the next in installations that cannot be completed with a single. Subsea wells' fiber optic installations must operate over several km of subsea cabling and through a critical chain of wet connects on the subsea tree (which provide optical continuity from one fiber to the next in installations that cannot be completed with a single. Permanent downhole fiber-optic cables are critical infrastructure in wellbore monitoring systems, ensuring reliable transmission of data for applications such as distributed temperature, acoustic, and strain sensing (DTS, DAS, and DSS)—all with one 1/4-in control line. These monitoring systems help. A flexible optical fiber cable, either as a wireline or a disposable fiber deployed using a pumped fiber payout shuttle, in a horizontal well, can be used to measure distributed near-static or dynamic strain. These measurements can be used to monitor the hydraulic fracturing treatment of nearby. Aspects of the subject technology relate to systems and methods for deploying fiber optic lines in a wellbore using a fiber optic deployment device. Fiber allows longer transmission distances and higher data rates than copper — a fortuitous development, as offshore drilling moves to deeper depths. Conventional CT can be length limited by lock-up, and heavy-weight coil can be weight limited for transport from boat to deck. To address these concerns, ExxonMobil Corp. and. Distributed acoustic sensing (DAS), distributed temperature sensing (DTS) and distributed vibration sensing (DVS) are some of the most important applications of specialty optical fibers in the oil and gas industry. DAS and DVS technology uses optical fibers to monitor and analyze acoustic signals.