近井壁 meaning in Chinese

near-well zone

This product , as an organic cationic polymer , can be used to change rheology property of the mud in the immediate vicinity of wellbore effectively and reduce wall scouring to assure stability of the borehole
该产品作为有机阳离子聚合物，可有效地改变泥浆在近井壁地带的流变性能,降低井壁冲刷，保证井眼稳定。
The in - house system evaluation and field application showed that an excellent oil film for shielding temporary plugging could be formed near borehole wall and both plugging and recovering rates of permeability reached more than 90 % when the added amount of the broad spectrum oil film temporary plugging agent gpj reached 3 % ; skin factor decreased by 7 . 4 to 10 times and production increased by 1 . 82 to 2 . 96 times compared with conventional technology
结果表明，当广谱“油膜”暂堵剂gpj的加量达到3 %时，可在近井壁处形成很好的屏蔽暂堵“油膜”带，渗透率堵塞率和恢复率皆大于90 % ，与常规屏蔽暂堵技术相比，可使油层损害程度降低7 . 4 ~ 10倍，产量提高1 . 82 ~ 2 . 96倍，而且与油层渗透率和温度无关。