斯威科(Sweco)公司介绍了一种小型的压力控制系统——斯威科钻探节流器(Sweco Driller’s Choke)。新部件和伴随在一起的控制台有较老式、较大系统的特色,包括有可靠的复式辅助系统,而部件需要的钻机空间和运输面最小。控制台重量只有 Sweco introduced a small pressure control system, Sweco Driller’s Choke. The new components and consoles that accompany them have older, larger system features, including a reliable compound auxiliary system that requires the smallest rig space and transport surface. Console weight only