GN Solids Control has already developed the 20 foot containerized dewatering unit for drilling mud recovery, as without the chemically enhanced technology, operators would be left with the accumulation of colloidal and ultra-fine drilled solids in the drilling mud circulating system. Ultimately leading to excessive mud densities, pipe torque/drag, mud loss, disposal fees, and overall well cost.
GN 20 foot Containerized Dewatering Unit
GN 20 foot containerized dewatering unit including all the components for adding chemicals, dewatering polymers,and mixing systems. The dewatering unit control system is organized by the PLC system to allow automatically operation. The customter mostly use the dewatering unit for water based mud.The result is a polymer-enhanced flocculation of colloidal and ultra-fine drilled solids that can be efficiently removed by a GN high Speed decanter centrifuge.
The customer can choose to have the decanter centrifuge on a separate skid or included in the dewatering unit container, in such case the container should be 40 foot size to have enough space for setting up the centrifuges and the feeding pumps.

Some case studies for the drilling mud dewatering unit
The Dewatering unit application at the well allowed reduction of the liquid-waste volume by 32% for the first two sections and by 27% for the entire well. Around 350 m3 of water was returned to the system for fresh drilling fluid mixing thus reducing the cost of water delivery. All drilling fluid left after the last section was also processed through the Dewatering unit and the returned water was used for completion operations. Although application of the Dewatering unit added additional upfront cost to the well construction, the waste-volume reduction allowed a 20% waste disposal saving as compared to offset wells. Continue reading “20 foot containerized dewatering unit for drilling mud centrifuge”












