A DRILLING SYSTEM AND A DEVICE FOR ASSEMBLING AND DISASSEMBLING PIPE STANDS

摘要

A system for storing one or more tubulars comprises a drilling deck (14) including a hole (17) offset from a wellbore centerline (18). In addition, the system comprises a rack unit (100) coupled to the drilling deck and extending downward from the hole in the drilling deck. The rack unit comprises a tubular housing (111) having a longitudinal axis, an upper end, and a lower end opposite the upper end. The rack unit also comprises a first rack (200) disposed within the housing, wherein the first rack is moveably coupled to the housing.