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Study of barium sulfate dissolution by scale dissolver based on solutions of DTPA Anais da ABC (AABC)
ABIB,GEIZILA A.P.; CRUZ,GEORGIANA F. DA; VAZ JUNIOR,ALEXANDRE S.L..
Abstract In offshore oil wells it is very common to perform seawater injection through injection wells for hydrocarbon recovery. When seawater, rich in sulfate ion, mixes with formation water, whose composition can contain divalent cations such as barium and calcium, it often leads to sulfate salts formation due to their chemical incompatibility. These salts can cause serious damage in production wells. The barium sulfate (BaSO4) is the most problematic scale and may cause many complications. In order to solve this issue, polycarboxylic acids, such as diethylene triamine pentaacetic acid, are used. Thus, the primary focus of this work was to develop an experimental procedure to study the BaSO4 dissolution. Initially, through static tests to understand the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mineral scale; Barite; Oil reservoir; Formation damage.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000603185
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