There are various types of derrick based on how the tower or mast is set up and the use of boom. An A-frame derrick is one in which the boom is hinged from a cross member between the bottom ends of two upright members spread apart at the lower ends and joined at the top; the boom point secured to the junction of the side members, and the side members are braced or guyed from this junction point.
[pdf] A guy derrick (also known as boom derrick) is a fixed guyed mast derrick that can be rotated and connected to a boom. The mast is in upright position with the base that can make the mast rotate, but not lean in any direction.OverviewA derrick is a composed at minimum of one , as in a , which may be articulated over a load by adjusting its . Most derricks have at least two components, either a guyed mast or self-supp. .
There are various types of derrick based on how the tower or mast is set up and the use of boom. An A-frame derrick is one in which the boom is hinged from a cross member between th.
[pdf] Ural Siberian Industrial Company (USIC) – Russian manufacturer of completed drilling rigs for production and exploration drilling. Additionally, USIC manufactures drilling rigs components and units, as well as modernizes drilling equipment.
[pdf] 
