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

Claim 6:
7. A drilling rig apparatus comprising:
a platform collapsible on a substructure over a proposed well drilling location, the platform comprising a limited sized drill floor less than 2400 square feet;
a high-capacity mast pivotable about a joint connecting a mast bottom section of the high-capacity mast to the platform between a horizontal condition and a vertical condition, the high-capacity mast having an opening formed therein sized to accommodate stands four Range 2 pipes or three Range 3 pipes, the high-capacity mast comprising a mast lower intermediate section attached to the mast bottom section, a mast upper intermediate section attached to the mast lower intermediate section, and a mast top section attached to the mast upper intermediate section, wherein the mast bottom section, lower intermediate section, upper intermediate section, and top section each have an opening in a side thereof;
an actuating mechanism configured to pivot the high-capacity mast from the horizontal condition to the vertical condition and to pivot the platform to a raised position over the substructure; and
a fingerboard attached to the mast upper intermediate section at 100 to 200 feet from a bottom of the mast.