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This Dual MPT (see picture) consist of one main hoist side and one auxiliary hoist side joined at one mast (back to back). |
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The philosophy of having two hoist sides is the main hoist side, which performs the main drilling, functions while the auxiliary hoist side is available for running the BOP stack and riser joints or casing if the program permits.
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The MPT also comprises two common Setback drums with Pipe racking (see picture) cranes. These setback drums are accessible from both main and auxiliary hoist. |
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The concept of the Multi Purpose Tower (MPT) drilling system is based on the use of a vertical box structure instead of the lattice structure of more conventional derricks. |
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| The box structure provides both the main load-carrying element and an enclosed environment for the mounting of all major equipment,like draw works, compensators, electrical cabinets, drillers cabin etc. thus saving space on the vessel. The MPT (see picture below) is specifically designed to handle conditions that are routine requirements of the petroleum industry. | ![]() |
| The MPT can be integrated into a wide range of substructures or directly into the vessel structure, depending on the type and layout of the vessel. It is suitable for use on Semi-Subs, Drill ships, Jack-ups, Spars, TLPs, Well intervention vessels etc., as retrofit or new build. | |
| Apart from drilling the tower can be adjusted for flexlay,
J-lay and coiled tubing. This is possible by placing different additional
tools at the tower. The MPT is provided with active and passive heave compensation, dual draw works, sand line winch with 4,500 m wire, splittable block and two drilling winches. Less equipment, less weight and more uses makes the MPT an interesting peace of equipment. There is also a Dual version of the Multi Purpose Tower. |












