Proteins for removing sulfurous compounds and/or acidic compounds in downhole fluids
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United States of America Patent
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Mar 16, 2021
Grant Date -
Jul 26, 2018
app pub date -
Aug 10, 2015
filing date -
Aug 10, 2015
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Abstract
Proteins with antibacterial properties may be used in additive compositions, fluid compositions, and methods for decreasing or removing sulfur-containing compounds and/or acid-containing compounds from recovered downhole fluids and/or the subterranean reservoir wellbore from which the downhole fluid was recovered. The fluid composition may include at least protein and a base fluid. The protein(s) may be or include a labiase, a lysozyme, a lysostaphin, a hexose oxidase, a cecropin, a thermolysin, a serine protease, a cysteine protease, and combinations thereof. The base fluid may be or include a drilling fluid, a servicing fluid, a production fluid, a completion fluid, an injection fluid, a refinery fluids, and combinations thereof.
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