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"。.
压缩机是一种用于工业和油田应用的机械装置，用于对气体进行加压和输送。.
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。.
Service Rig, also known as Workover Rig, is the core equipment for downhole operations such as oil and gas well maintenance, pump inspection and paraffin removal.
该设备专为高压和长期运行而设计，广泛应用于注水和增压系统。.
Workover Rig (also called a servicing rig) is specialized, mobile oilfield equipment for maintaining, repairing, and enhancing existing oil/gas wells (not drilling new ones).
