How does a jack-up rig work?

A jack-up rig is a floating drilling rig with (typically) three retractable legs which can be raised while the rig is moved onto location (either self-propelled or towed) and lowered into the seabed to jack-up (lift) the rig to a safe height above the water level, cantilever the rig to the desired surface location of …

What is a jacking system?

A screw jack system is where more than one screw jack is operated in unison to achieve a linear movement. The screw jack system arrangement is also commonly referred to as a “jacking system”. The ability to mechanically link multiple screw jacks together so that they move in unison is one of their greatest advantages.

What is a jack-up oil rig?

1. n. [Drilling] A self-contained combination drilling rig and floating barge, fitted with long support legs that can be raised or lowered independently of each other. The jackup, as it is known informally, is towed onto location with its legs up and the barge section floating on the water.

What is variable load of jack up rig?

Variable Deck Load (VDL) VDL includes any item of weight that is not included in the lightship of the basic vessel. Lightship is the basic weight of the MODU, including all equipment considered permanent.

How much does a oil rig worker make?

The labour crunch has already seen pay for a roustabout, the least skilled worker on a rig, nearly double in the past five years to $18-$20 an hour. A roughneck, a rank higher, earns about $27-$28, said Roberts, the U.S. rig manager.

What is a jackup drilling rig?

What is the advantages of jack up rigs How do they get to the oil reserve location?

Riding the waves A major advantage of a jack-up rig is its ability to withstand bad weather or poor conditions once fixed on a location. Because it has a surface BOP with a subsea riser system, and because it is fixed above the wells, the offset of waves and vessel responses is very low.