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The new unit adopts hollow sucker rod working with pump and as fluid passage instead of conventional sucker rod, and uses a new hanger to fix the one-piece barrel rod pump on the casing wall, improving the operation stability of the subsurface pump.
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针对这种情况，大港油田新世纪机械制造有限公司研制成功一种新型无油管采油装置，这种装置以空心抽油杆代替实心抽油杆带泵工作并兼作出油流道，还通过一种新型悬挂器将整筒抽油泵固定在套管壁上，提高了抽油泵的工作稳定性。 |
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The new unit has following technical features: (1) the unit's load is balanced by means of the accumulator and hydraulic cylinder with special structure; (2) the installed power of the unit can be reduced greatly by adopting the accumulator; (3) variable
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新型机具有4个技术特点：(1)由于活塞柱塞式液压缸的特殊结构和液压蓄能器的配合使用，在平衡抽油机大部分载荷时，不需另外增加配重，可减小抽油机体积、质量和占地面积；(2)抽油机下冲程时，与活塞柱塞式液压缸相连接的蓄能器吸收能量，上冲程时储存在蓄能器中的能量补充载荷上行所需的能量，大幅度降低抽油机装机功率；(3)利用变频容积调速节能效率高，闭式油路节省液压油，同时大大减小液压泵站的体积；(4)在闭式油路中采用双向液压锁可使抽油机的启停更加平稳、迅速，其工作的稳定性和安全性更好。 |
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The new uptown borders to the freeway.
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新住宅区紧挨高速公路. |
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The new uptown immediately the free way.
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新住宅区紧挨高速公路. |
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The new uptown is adjacent to the speedway.
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新住宅区紧挨高速公路. |
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The new uptown is chose to the freeway.
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新住宅区紧挨高速公路. |
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The new uptown is close to highway.
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新住宅区紧挨高速公路. |
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The new uptown is close to the freeway .
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新住宅区紧挨高速公路. |
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The new uptown is close to the highway.
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新住宅区紧挨高速公路. |
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The new uptown is close up to the free way.
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新住宅区紧挨高速公路. |
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The new uptown is close up to the highway.
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新住宅区紧挨高速公路. |
