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1.发明公开公开(公告)号：US20230220270A1
公开(公告)日：2023-07-13
申请号：US18187110
申请日：2023-03-21
发明人： Sean FARMER , Ken ALIBEK , Karthik N. KARATHUR , Anthony NERRIS
CPC分类号： C09K8/584 , C09K8/54 , C09K8/64 , C09K8/524 , C09K8/528 , C09K8/604 , E21B43/16 , C09K2208/32
摘要： The subject invention provides multi-functional biochemical compositions, as well as their use in enhancing oil recovery from an oil-bearing subterranean formation. Advantageously, the compositions and methods of the subject invention are operationally-friendly, cost-effective, and environmentally-friendly. More specifically, in preferred embodiments, the subject invention provides a multi-functional composition for enhanced oil recovery (EOR) comprising one or more surfactants, one or more chelating agents, and one or more solvents.
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2.发明公开公开(公告)号：US20230159814A1
公开(公告)日：2023-05-25
申请号：US18152725
申请日：2023-01-10
发明人： Sean FARMER , Ken ALIBEK , Kent ADAMS , Karthik N. KARATHUR , Alibek MOLDAKOZHAYEV , Anthony NERRIS
CPC分类号： C09K8/584 , E21B49/0875 , C09K8/54 , E21B37/06 , E21B41/02 , E21B43/16 , C09K2208/20 , C09K2208/32
摘要： The subject invention provides compositions and methods for simultaneously enhancing oil recovery, improving the quality of oil and gas through reduction in sulfur-containing compounds, and preventing and/or reducing corrosion of oil and gas production equipment. A multi-functional composition is provided comprising an antimicrobial biosurfactant component, a first ammonium salt, and ammonium hydroxide. In some embodiments, the efficiency of the composition is further enhanced by the addition of a chelating agent, a phenol (e.g., carbolic acid or phenolic acid), and/or an H2S scavenger. In some embodiments, the composition is further enhanced for use in cold climates by the addition of an antifreeze mixture comprising one or more of a second ammonium salt, sodium chloride and glycerol.
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