In well drilling, we often hear various drilling fluid solids control related terms. Then, what do they mean?
1) Solid Phase Volume
The total insoluble solid drilling fluid, usually expressed as a percentage by volume. The solid phase volume of high density drilling fluid including low density and high density solid. Solid amount of conventional drilling fluid are low density solid.
2) Low Density Solid
These solids including clay powder and cuttings as goods. Usually in the solid control work assumes that its density is 2.60 or 2.65g/cm3, this assumption has been able to obtain satisfactory results, the actual value may fluctuate between 2.0~3.0g/cm3.
Density is the volume in mass per unit. The unit can be used g/cm3. Drilling fluid is composed of different density materials. In the past, the proportion of common concept, now is no longer in use. In solids control system, solids control equipments like desander and desilter are used for adjusting the density of drilling fluid.
Drilling is the main solid contamination of drilling fluid, it greatly affects the performance of drilling fluid, must be stable, and therefore can be an important problem in the process of drilling to conventional drilling fluids treatment. Solid control is the control of drill cuttings. Has the direct relationship between the drilling cost and solid control and its effect.