The on-site drying method by using hot oil circulation and hot oil spray, its process and the operation result for large transformer are introduced.

介绍了采用热油循环及热油喷淋法现场干燥大型变压器的方法、过程和运行效果。

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Wellbore hot fluid circulation is a practical technology suitable for the production of high pour-point and high viscosity oil.

井筒热流体循环是适用于开采高凝固点、高粘度原油的一种实用技术。

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At the initial stage of development, the main oil production methods give priority to hydraulic piston pump and closed hot water circulation.

开发初期，主导开采方式主要以“水力活塞泵、闭式热水循环”等采油工艺为主。

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