Jan 15

GN Solids Control made an oil-based drilling cuttings treatment system for a CNPC company. GN Solids Control made and designed and system per client’s job site situation. So it can suit for the clients’ situation well. Clients are happy with the performance of the OBM treatment system. Both the team leader and job site workers are satisfied with the system, and they said that, after applying GN waste management system. They can recovery more usable drilling mud. Their drilling waste and their drilling cost are both reduced. And they can save cost and manpower on the waste material shipment.

The oil based mud treatment system made for CNPC is a complete package. It is a skid mounted cuttings drying system with processing equipment, mud and cuttings transfer equipment, and electric control system.

Below is the major equipment included in the skid mounted oil based mud cuttings drying system:

Firstly, there is a vertical cutting dryer. The vertical cuttings dryer is mounted on a separate skid. VG dryer is also called VG centrifuge, it is the major equipment to treat the oil based mud and cuttings discharged from shale shaker. GN high quality vertical centrifuge can reduce the oil on cuttings to as low as 3% ~ 5%. In many countries and regions, less than 3~5% OOC can be discharged directly. Even not, it is already very dry like powders. It is easy for movement and for next process treatment.

Secondly, there is a 14 inch decanter centrifuge in the oil base mud cuttings drying system. The decanter centrifuge is used after the vertical centrifuge to reduce the mud weight. Enable the recovered mud qualified for drilling activity.

3 sets screw conveyors are equipped in the system. One screw conveyor is located under the shale shaker to collect drilling cuttings discharged from shale shakers. Another screw conveyor is located inclined to transfer the cuttings from shale shaker and feed to the vertical cuttings dryer. The 3rd screw conveyor is inclined and under the vertical cuttings dryer. It is used to transfer the drying cuttings from VG dryer to the cuttings containers.

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