Patent ID: 11933118
Assignee: NABORS DRILLING TECHNOLOGIES USA, INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 8:
9. A method of building a high-capacity mast, comprising:
providing a platform collapsed on a substructure over a proposed well drilling location, the platform having a rig floor;
attaching a mast bottom section to the platform at a pivot joint on the rig floor;
after attaching the mast bottom section to the platform, attaching a first racking board to a mast upper section, the racking board being disposed 100 to 200 feet from a bottom of the mast bottom section;
after attaching the first racking board to the mast upper section, raising the high-capacity mast from a horizontal condition to a vertical condition by pivoting the high-capacity mast about a pivot point on the platform; and
raising the platform from a collapsed condition to a raised condition over the substructure and securing the platform in the raised condition.