A service rig is brought in to perforate the production casing and run production tubing. If no further pre-production servicing is needed, the christmas tree is installed and production begins.

• 服务平台是带到穿孔套管的生产和经营生产油管。如果没有进一步的预生产的服务是必要的，采油树已安装并开始生产。---------是不是这样翻译的！呵呵。在线翻译的，方便不想仔细考虑的哥们