index well meaning in Chinese

基准井；注入井
注入井

Based nit the definition of production decline rate , the multifactor analytical model for composite decline rate is developed , which discusses affecting factors stub as the startup well number , water cut , producing fluid thickness , pressure , relative production index well spacing density , skin factor etc
摘要从产量递减率定义出发，首先导出了综合递减率与开井数、含水、产液厚度、压力、相对产液指数、井网密度、表皮系数等多因素分析模型。
The inorganic antibacterial powder of ag and ce being carried by the nanometer silicon dioxide material manufactured in this paper has excellent antibacterial property ; the most important is that when it is used in the coating , the coating does n ' t change color , and its antibacterial index better than the similar production
本文制备的多孔纳米sio _ 2载银、铈无机抗菌剂具有优异的抗菌性能，并且具有在涂料中使用无变色现象的优点，其抗菌性能指标优于国内同类产品。