GN Solids Control is a leading Chinese manufacturer and global supplier of solid-liquid separation equipment and systems, primarily serving the oil and gas drilling industry, as well as other industrial sectors like mining, tunneling, and environmental protection.
This system mainly consists of 4 modules.
- Coarse Screen Module
- Fine Screen Module
- Desilter Module
- Large Drum Decanter Centrifuge Module
A Coarse Screen Module is a standardized, pre-assembled unit that houses one or more Shale Shakers, which are the primary and first stage of solids control in drilling operations. Its main function is to remove the largest drilled solids (typically larger than 74 microns) from the drilling fluid as it returns from the wellbore.
Think of it as the “front door” for the returning drilling mud. It captures the big cuttings, protecting the downstream, more sensitive equipment from being clogged or damaged.
A Fine Screen Module is a standardized, pre-assembled unit that houses one or more fine-screen shale shakers. It is typically the second stage of primary solids control, designed to remove finer drilled solids that passed through the Coarse Screen Module.
If the Coarse Screen Module is the “coarse filter” that catches the big pieces, the Fine Screen Module is the “fine filter” that captures the smaller, abrasive sand and silt particles.
A Desilter Module is a standardized, pre-assembled unit that houses a bank of hydrocyclones called desilters. It is typically the fourth stage of solids control in the drilling fluid process, designed to remove very fine silt-sized particles that have passed through the previous equipment (shakers, degasser, and desander).
A Big Bowl Decanter Centrifuge, often simply called a high-volume centrifuge or large-capacity centrifuge, is a critical piece of solids control equipment used for the fineest and most efficient separation of solids from drilling fluids. It represents a significant step up in processing capability from shale shakers and hydrocyclones.
It is called “Big Bowl” because it features a larger diameter rotating cylinder (the bowl) and, typically, a longer length compared to standard decanter centrifuges. This larger internal volume allows it to handle very high flow rates and separate extremely fine particles.
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