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美国Weatherford公司研制成功一种连续抽油杆维护装置。它配备有1台油井维护三缸泵,1台大型储液罐和1台带有桅杆式井架的举升能力为230~300 kN的绞车。它是一种高度自动化的紧凑型修井系统,是为快速诊断油井故障和恢复油井生产而设计的。该装置的配备齐全,包括抽油杆扳手和防喷
US Weatherford company successfully developed a continuous sucker rod maintenance device. It is equipped with a well maintenance three-cylinder pump, a large tank and a mast-type derrick lifting capacity of 230 ~ 300 kN winch. It is a highly automated, compact workover system designed to quickly diagnose well failures and recover well production. The device is fully equipped, including sucker rod wrenches and blowout preventers