New Environmental Protection Law Triggers Implementation of “Drilling Waste Zero-Discharge Treatment Equipment and Process Technology While Drilling”
Implementation of the new Environmental Protection Law has been increasingly pressuring on domestic oil companies. For better waste treatment while drilling and effective protection of ecological environment at well site, CNPC has introduced private capital to jointly develop drilling waste zero-discharge treatment equipment and process technology while drilling, and has purchased services in some oilfields to allow private enterprises for centralized treatment of drilling waste. Zero drilling waste discharge technology process while drilling includes three units, including waste collection unit, gel breaking and destabilization unit and solid-liquid separation unit . In waste collection unit, mud generated during drilling process is collected and passes through HGD high frequency shale sh