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Sub-quality natural gas (SQNG) is defined as natural gas whose composition exceeds pipeline specifications of nitrogen, carbon dioxide (CO 2 ) and/or hydrogen sulfide (H 2 S). Approximately one-third of the U.S. natural gas resource is sub-quality gas [1]. Due to the high cost of removing H 2 S from hydrocarbons using current processing technologies, SQNG wells are often capped...
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