国家/地区 美国（2） 世界知识产权组织（2）
IPC部 C（3） B（2） E（2）
IPC大类 C02（3）
IPC小类 C02F（3）
IPC C08L043/02（3）
发明人 JAMISON D E（2） PEARL W C（2） SHUMWAY W W（2）
公开年 2021（3）
申请年 2020（3） 
专利权人 HALLIBURTON .（2）

Photothermal hydrogel for photothermal heating of water surface, comprises a photothermal material dispersed in amphoteric polyelectrolyte hydrogel obtained by copolymerizing amphoteric polyelectrolyte monomer, cross-linking agent, initiator and photothermal material mixture.

ZHANG L, XU J, ZHU J

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