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Bringing the well into operation with maximum productivity requires proper selection of chemicals for drilling muds. The rate and workability of penetration, fail safety, drilling-in quality are influenced by drilling mud quality and composition. It is chemically treated to obtain necessary physical, chemical and technological properties.
Components are selected according to the objectives; the quality of bore production and safety level directly depend on the adequate choice of reagents as well as on their ratio.
The main functions of the drilling fluids include:
Removing of drill cuttings from borehole
Maintaining the suspension state of drill cuttings
Borehole pressure adjustment
Wall cake building
Maintaining well shaft stability
Transfer of hydraulic horsepower to the bit, lubrication and cooling
OIL-BASED DRILLING MUD EMULSIFIERMore info