Method for Analysis of an Offshore Heave Compensator
Gwi-Nam Kim, Sung-Gu Hwang, Jang-Hwan Hyeon and 3 more
Applied Sciences · 2016
doi:10.3390/app6020051 (opens in a new tab)
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Abstract
A heave compensation system consists of a drill string compensator (DSC) and an active heave compensator (AHC) cylinder, which together produce control force over an oil pressure system suitable for transmission of considerable power and compensating for heaving motion of the hull during drilling work. In this study, a heave compensator of an oil pressure system was simulated to draw a conclusion, which was verified by comparison with the result of a test conducted using an actual miniature model. The compensation rate was 95%, based on which the dynamic behaviors of an actual-size heave compensator were presumed. Furthermore, the speed of each cylinder and the acceleration of heave can be determined and used to fabricate an actual-size heave compensator.
Abstract licence: CC BY
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