国家/地区 世界知识产权组织（3）
IPC部 C（3）
IPC大类 E21（3） C09（2）
IPC小类 E21B（3）
IPC
发明人
公开年 2023（3）
申请年 2022（3）
专利权人

Pre-flush chemical used in scale inhibitor squeeze treatment, comprises carbon compound, surfactant, and solvent.

ZAINAL S, RAZALI N, RODZALI M A, MUHSAN A S, MOHAMED D F H

Fluid system component used in fluid transport, fluid control, fluid operations has body containing multidimensional shape defined in orthogonal directions and layers stacked along one of directions.

MARYA M, ZOLFAGHARI A, KARUPPOOR S S

Coated proppant used for protecting proppant particle, comprises proppant particle, surface copolymer layer surrounding proppant particle, where surface copolymer layer comprises copolymer of monomers chosen from e.g. styrene, methyl methacrylate, ethylene, propylene, butylene, and acrylamides.

LI W, ALSHARAEH E, KRISHNAN M R