Drilling Fluid Additives for Enhancing Efficiency of Upstream Processes

For effective oil drilling, oilfield drilling fluids are used in a very broad manner. The main functions of drilling fluid include well control, maintaining formation steadiness, removing drill cuttings from the wellbore during production, maintaining reservoir pressure, stabilizing fluid loss by filtration, providing adequate cooling and lubricity to the drill bit, and also assisting in data logging. During excessive use of drill fluid in high temperature and high pressure, the drilling fluid tends to degrade, which results in downtime and significant increase of drill cost. To stabilize the working of drill fluids, an additive that can optimize the efficient working of drilling fluid is needed. There is a huge demand for the additive, which can possess properties such as low cost, being non-toxic, and easily biodegradable with zero impact on environment.

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Keywords: Drilling fluid, drill bit, drill cuttings, additives, viscosifier, solvent, emulsifiers, lubrication, rheology modifier, filtration, fluid loss, wellbore, water-based drilling fluid, oil-based drilling fluid, nanoparticles, bio-diesel, lignin, graft copolymer