Sarens entered US Heavy lift and heavy haul space in 2009 by acquiring Rigging International, a company based in California. We officialy changed the name to Sarens USA, INC. in 2012.
Sarens USA, INC has offices in Houston from where we cover the Gulf area, in Montana from where we cover the Midwest, and in Rowesville from where we cover the East coast.
We provide Engineered Heavy Lifting Services
Heavy Transport Services
Decomissioning and Dismantling Services
Houston, Texas (Office & Yard)
10855 John Ralston Rd
Houston, TX 77044
Tel: 832 536 3669
Fax: 832 615 2678
Missoula, Montana (Office)
Missoula, MT 59808
Tel: 406 543 4427
Rowesville, South Carolina (Office & Yard)
122 River Dr
Rowesville, SC 29133
Tel: 832 714 0176
Sorrento LA (Yard)
9204-A Highway 61
Sorrento, LA 70778
Tel: 225 450 7027
Sarens recently performed the load-out and weighing operation in Grimstad, Norway for the Johan Sverdrup drilling platform. Johan Sverdrup is one of the five largest oil fields on the Norwegian continental shelf. With expected resources between 1.9 - 3.0 billion barrels of oil equivalents, it will also be one of the most important industrial projects in Norway in the next 50 years.
As part of the operation Sarens was required to perform:
The project is ongoing for more than a year. In the early phases Sarens performed the load-in of the drill floor and the substructure. In February we performed the weighing of the two sections of the DES. The heavy lift vessel, Rambiz, executed the stacking of the two sections to form the DES and eventually Sarens successfully executed the weighing and load-out of the DES for the Johan Sverdrup drilling platform.
For the weighing operation we used 14 x 500t weighing cells with hydraulic jacks. For the load-out operation, 108 axle lines Kamag K24ST w/6 PPU's was deployed along with 16 ballast pumps and 8 PPU's. All the equipment was mobilized with ship from the HQ in Belgium and in trucks from different site locations of Sarens.
The DES weighed approximately 3300t having dimensions of 30mx30mx91m. The dimensions offered major challenge as the height of the module was not balanced by the dimensions of the base, leading to a high center of gravity. The load-out had to be precisely performed so that the module doesn't topple on the base.
Moreover the capacity of the ballast tanks of BOA44 (the barge for transporting DES at sea) were insufficient for performing the load-out directly onto it. The team had to first load the DES out to a larger barge (BOA36) to make the final load-over to BOA44, independent of the tide. Upon completion of the first load-out, both the barges were ballasted down and the load-over was executed flawlessly. The fact that one load-out turned into 2 had impacted the engineering, mooring conditions, equipment, and duration of operation. The load-out to BOA36 and subsequent load-out to BOA44 lasted for 7 and 13 hours respectively. Our 14 member crew worked round the clock, in both the shifts to safely accomplish the challenging operation.
Project manager of AS NYMO, Petter Lindås was completely satisfied with Sarens performance and remarked, "We thank you for your contribution to a successful final phase in a challenging project!"
Sarens project manager, Henning Hamland says, "Critical success factors for executing an impeccable operation like this is - a solid engineering basis, thorough planning, highly skilled, and dedicated operators and engineers."