Venting riser gas during a gas influx event relieves riser pressure and enables pit monitoring, but it can lead to uncontrollable discharge. A novel fixed-choke, constant-outflow (FCCO) method fixes ...
A new method controlling pressure drop across chokes has been successfully applied to a high-pressure sour gas well in Sichuan basin, China. High-pressure sour gas wells use multistage choking methods ...
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