本文对美国库珀能源服务公司阿加克斯厂和阿罗专业公司生产的供驱动抽油机用的小功率天然气发动机的基本参数作了简要介绍,对其主要技术指标及设计特点作了初步探讨;并根据国内情况,提出了在设计、改装时应注意的一些问题。 This paper briefly introduces the basic parameters of low-power natural gas engine used in driving pumping unit produced by Agrocar Plant of American Cooper Energy Service Co., Ltd. and Arrow Professional Co., and makes a preliminary introduction of its main technical indexes and design features According to the domestic situation, some problems that should be paid attention to in design and modification are put forward.