Stewart Technology Associates (STA) is a technology consultancy specializing in marine and offshore structures, fluid dynamics and many other diverse services and systems. STA offers a wide range of technology software and oil/gas process and high efficiency separator technology.
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Many times the folks on board a jack-up, or liftboat, are concerned about the swinging of the bubbles in the glass tubes of their heel and trim inclinometers. They seem to indicate that the rig is rocking. Invariably it is only swaying and the hull is staying level. However, the horizontal accelerations are causing the inclinometer bubbles to move. The typical -5º to +5º glass inclinometer on a jack-up can … Continue reading →