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Allowable Contact Stresses in Jacking Gear Units Used in the Offshore Industry - May 2010

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Archive > 2010 > May 2010 > Allowable Contact Stresses in Jacking Gear Units Used in the Offshore Industry

The article "Allowable Contact Stresses in Jacking Gear Units Used in the Offshore Industry" appeared in the May 2010 issue of Gear Technology.

Summary
An offshore jack-up drilling rig is a barge upon which a drilling platform is placed. The barge has legs that can be lowered to the sea floor to support the rig. Then the barge can be “jacked up” out of the water, providing a stable work platform from which to drill for oil and gas. Jack-up drilling rigs were first introduced in the late 1950s. Rack-and- pinion-type jack-up units were introduced soon after that and have dominated the industry ever since.

Keywords
standards, contact stress, gear design, jacking gear units, offshore

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