井下增压器的结构探讨

Study of Downhole Pressure Unit Construction

井下增压器是一种应用超高压射流钻井新方法的关键设备．本文综述了目前国内外研制状况，提出了一种静压式井下增压器的结构，阐述了其工作原理。这种井下增压器具有结构简单，换向准确、可靠性较高，压力损失小等特点。

Downhole pressure unit is a key equipment in the application of extra-high fluid streamto oil drilling. This paper gives a general introduction of its development at present, presentsthe construction of a kind of downhole pressure unit and explains its working principle. Thiskind of downhole pressure unit has some characteristics, such as simple design, accurate ex change of direction and reliability,etc.