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OIL BASED MUD MODIFIED WITH ORGANOPHILIC NANOMATERIALS
Abstract
The dynamic development of material and chemical engineering as well as physical analytical methods allows the use of new materials for the production of drilling muds. This is especially important because drilling works are conducted in increasingly difficult geological and technological conditions. The present analyses concentrate on the development and elaboration of recipes of drilling fluids with organophilic nanomaterials. One of the most frequently applied nanomaterials referred to in patents registered by the Oil and Gas Industry are nanoclays and nanosilica. Laboratory experiments indicated that hydrophobic nanosilica influences the technological parameters of oil base-mud, especially their rheological parameters. The nanosilica used as oil based mud additives, can helpful enhance the stability mineral liquid dispersion. By including organoclays in the oil-based muds considerably increases the stability of such mud, especially mud with an addition of weightings agent (e.g. barite). It can be meaningful for drilling fluids used in horizontal drilling, and drilling in difficult geological and technological conditions. This study helps promote application nanomaterials in drilling fluids technology in the oil and gas exploration and production.
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