采油树是安装在油气井顶部的核心控制装置。它因其多分支的形状酷似圣诞树而得名，并作为连接井下和地面集输系统的"主开关"。.
ESP是一种用于高效地从深井中抽取石油的电动潜水泵。.
An oil pumping unit is a key machine used to lift crude oil from oil wells to the surface.
An oil pumping unit is a common mechanical device for extracting crude oil from wells.
LYFH-165/21型油井打捞防护装置是一种专为油田设计的井口防护设备，旨在防止盗窃、破坏，确保作业安全。它专为边际井、废弃井和低产井而开发，集防护、防盗和打捞作业于一体。.
