The article by Worden et al. (1995) provided data from the Permian-Triassic Khuff Formation in Abu Dhabi to indicate that thermochemical sulfate reduction (TSR) commenced above a minimum temperature of 140°C in this formation. Worden et al. (1995) also compared their results from the Khuff Formation with those of a number of previous studies on this subject and concluded that “The temperature of 140°C derived from our study of the Khuff Formation may be the best estimate of temperature required for in-situ thermochemical sulfate reduction to produce the high H2S concentrations encountered in deep carbonate reservoirs” (Worden...
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