DSL offers a range of Masts and Substructures for workover rigs and drilling rigs ranging from 150 – 500,000 lb hook load capacity in single or double stand set up. All masts and substructures are designed and manufactured to API 4F, to which DSL are licenced manufacturers/designers.

Anchorless Masts (internally guyed masts), eliminates the need to anchor masts, therefore reducing risks in your operations and reducing rig up/rig move costs, and these can be incorporated into almost any existing truck mounted rig or trailer rig, providing you with a quick an qualified solution for replacing your mast/substructure.

When a new mast is incorporated into an existing substructure we provide recertification of the mast and sub in accordance with the requirements of API 4F.