国家/地区 美国（3） 世界知识产权组织（3）
IPC部 B（5） C（3） A（2）
E（2）
IPC大类 B01（5） C02（3） C08（2）
E21（2）
IPC小类 B01D（5）
IPC B01D061/58（5）
发明人 JAMISON D E（2） PEARL W C（2） SHUMWAY W W（2）
公开年 2021（5）
申请年 2020（5）
专利权人 HALLIBURTON .（2）

Filtering device for filtering fluid containing dissolved and optionally colloidal substances, and further impurities like bacteria and/or virus, comprises first filter unit serving to remove substances in first filtering step.

MAZZOCATO L

System used for treatment of slop water recovered from wellbore operation, comprises treatment unit comprising inlet, filtration medium comprising particulate pack partially coated with zwitterionic polyelectrolyte, and arranged to separate portions of slop water stream comprising water, and outlet.

JAMISON D E, SHUMWAY W W, PEARL W C

Fluid treatment system for treating fracturing fluid or drilling mud, has first filtration medium having first outlet that is provided on first side of first filtration medium, and second outlet that is provided on second side of first filtration medium to opposite first side.

JAMISON D E, SHUMWAY W W, PEARL W C

Dialysate-free continuous renal replacement system comprises blood filtration membrane configured to provide filtered fluid by renal filtration of blood passing through blood filtration stage at arterial pressure.

MOGHADDAM S

Graphene composite filter film comprises embedded ring, where upper and lower surfaces of embedded ring are adhered with uncovering outer cover, and outer side of uncovering outer cover is fixed with pulling piece integrated with it.