Disposal and supporting technology of waste solid liquid from water-based drilling fluid
In order to meet environmental protection requirements,the Changqing region implements a"no landing"policy for drilling waste.However,there are technical difficulties in purifying water-based drilling fluid,high water rate and large processing capacity of rock debris waste,inability to reuse solid waste,and a significant increase in drilling construction area.Through the development of new solid control equipment and"no landing"device for drilling debris,the drilling fluid circulation and purification process is optimized.We have developed cationic polymer water-based drilling fluid purifiers,optimized waste drilling cut-tings treatment technology,and formed disposal and supporting technology of waste solid liq-uid from water-based drilling fluid.This technology has been widely promoted and applied in the drilling area of Changqing,with a reduction of 29.82%in rock cuttings,a water rate of≤35%in rock cuttings,a recycling rate of drilling waste liquid of≥94%,a reduction of 23.7%in drilling land area,and significant on-site application effects.Through the integra-tion and supporting application of technology,the total amount of drilling fluid waste solid liquid has been significantly reduced,achieving green,safe,and environmentally friendly drilling,and helping China achieve"carbon peak"and"carbon neutrality"as soon as possi-ble.
NETL
NSTL
万方数据
维普
