GN Solids Control makes drilling mud treatment equipment for onshore and offshore applications. The material standard and the design for onshore and offshore application are different. This week, GN Solids Control just finished the fabrication and commissioning of a set of solids control equipment for offshore projects.
A 18 inch big bowl decanter centrifuge is included in the project. The big bowl high speed centrifuge is specially design to suit for the offshore applications.
Below is the major different of on shore decanter centrifuge and offshore decanter centrifuges.
Firstly, the control panel Enclosure material for onshore rig and offshore rigs are different. Casting aluminum Enclosure is the most popular. But the material is not durable than while used on the sea. It must be stainless steel enclosed for more durable.
Secondly, the paining standard for onshore and offshore equipment is different. Powder painting is good enough for on shore equipment. It looks nice. But the marine situation is very much abrasive. Powder painting is not durable enough. The normal painting is with more thickness. It last longer time. And ever for the normal painting, it is corroded more fast than on shore, and need to repair more frequently.
Thirdly, the material of sealing rubber parts for onshore and offshore are different. The Nitrile rubber material is widely used and good for on shore. It is durable for oily material. But Nitrile rubber is not durable for offshore. It must be Fluororubber material, which is more durable under marine and chemical corrosion situation.
Fourthly, the offshore equipment has high request on the lifting standard. GN Solids Control makes additional lifting frame and crash frame for equipment used on offshore platforms. And mostly, the offshore project will request special lifting certificate to ensure the equipment complied with offshore job site.
And plus, there are various standard explosion proof, China National explosion proof, EU standard ATEX explosion proof, International standard IECEX explosion proof. And for offshore applications, in many cased, the end user will request the marine explosion proof.