Lack of reliable sealing materials with temperature rating over 600 °F (316°C) for downhole sealing and zone isolation applications in high temperature wells such as steam injection wells is a big material technology gap and concern for oil and gas industry. Traditionally, elastomers are the material chosen for downhole sealing applications. But this type of organic materials is prone to decompose when temperature approach 600°F (316°C) and even lower in wellbore fluids. Metal to metal …
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