The fluid must be compatible with the formation water and the base fluid of the main fracturing treatment to prevent unwanted chemical reactions. Because it is specifically designed to be a displacement fluid, its viscosity is structured to be easily pushed out by the subsequent flowback of water and hydrocarbons.
Cutting Oil Drilling: Creating a Clean Reservoir Face
Operational and Economic Significance. Furthermore, its low viscosity ensures it does not impede the flow of the high-viscosity slickwater or gel that follows, while its specific gravity is tuned to efficiently carry different sizes of rock particulate.
This proactive approach to hole cleaning mitigates the risk of premature screenouts during fracturing, a scenario that can drastically reduce the effective length of the fracture and, consequently, the well's long-term output. This suspension is crucial for maintaining the open, clean pathways necessary for the subsequent invasion of the proppant-laden fracturing fluid.
Cutting Oil Drilling: Creating a Clean Reservoir Face
It is pumped into the annulus or the casing, effectively creating a buffer zone between the drilling mud remnants and the fracture fluid. This specialized procedure is employed primarily in the development of new wells or the reconditioning of existing ones, where precise hole cleaning and the preparation of the reservoir are paramount.
More About Cutting oil for drilling
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