jack up

v. lift or raise by using a jack; raise prices (as in: "I sold them the car for $1,500 and they jacked up the price to $2,500 when they sold it")

A jackup barge is a type of barge that may stand still on the sea floor by three or four supporting columns.The supporting columns are usually moved up and down by a hydraulic system. The whole barge can also be jacked up when the supporting columns are touching the sea floor.The barge acts as a kind of platform. This type of barge is often used as a diving platform or for oil drilling.
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Verb
1. lift with a special device; "jack up the car so you can change the tire"
(synonym) jack
(hypernym) raise, lift, elevate, get up, bring up

raise prices The gas station jacked up their prices during the snow storm.

دستگاه حفاری جک آپ