Dynamic Mast

Dynamic masts from Lee C. Moore are designed to withstand the harsh environmental conditions often encountered on floating semisubmersible drilling rigs. The masts can be lowered in the event of extreme weather conditions or when passing under bridges in transit.

Our beam leg dynamic mast stands 185 feet tall with a 40 x 50-foot base, a 7 x 14-foot top and can accommodate multiple drilling equipment packages. It offers a static hook load capacity of 1.3 million pounds with 14 lines strung to the traveling block per API 4F specifications, although the maximum static hook load can be modified to meet your needs.

Features and benefits
  • Accommodates top drive system, drill string motion compensator, bridge crane-type off line stand building system, mast-mounted deadline anchor and skewed-type crown block
  • 25-foot high windwalls at racking platform
  • Lifting eyes at crown frame enable raising mast from horizontal to vertical in a single lift
  • Monogrammed per API specification 4F

Learn more
Quotes are available on request. Contact us and provide your preferred drilling equipment packages and hook load capacity.

More information is also available in our online brochure.