Organophilic Clay for Ultra-Deepwater Drilling Fluids - Alves de Sousa, Francisco Kegenaldo;Araújo Neves, Gelmires de;Ferreira, Heber Carlos
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Unlike the rest of the world, Brazil's largest oil fields are located offshore, which makes their exploitation an ever greater challenge as reservoirs are discovered under deeper water every day. Organophilic clays are an essential input in the production of organic-based drilling fluids. In this study, three types of clay were organophilized and their compositions were introduced into paraffin, ester and diesel oil-based fluid formulations, with the aim of evaluating the performance of these fluids in terms of their various rheological and filtration properties. The results show the…mehr

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Produktbeschreibung
Unlike the rest of the world, Brazil's largest oil fields are located offshore, which makes their exploitation an ever greater challenge as reservoirs are discovered under deeper water every day. Organophilic clays are an essential input in the production of organic-based drilling fluids. In this study, three types of clay were organophilized and their compositions were introduced into paraffin, ester and diesel oil-based fluid formulations, with the aim of evaluating the performance of these fluids in terms of their various rheological and filtration properties. The results show the importance of studying organophilic clay compositions and the feasibility of obtaining fluids with satisfactory rheological behavior, making use of lower quality clays more viable. Ester-based fluids are promising, with properties that meet most of the API (2005) restrictions and also have the advantage of causing less environmental impact when compared to diesel-based organic fluids.
Autorenporträt
PhD in Materials Science and Engineering from UFCG (2010). He has experience as a professional and researcher in the areas of Oil and Natural Gas, working mainly on the following subjects: organophilic clays, oil-based fluids, rheology, clay compositions and the development of composite materials used to reinforce pipelines.