Jacket leg cutting tool
AssigneeHeerema Marine Contractors Nederland B.V.
InventorsGerardus Cornelius Van Grieken, Johannes Christianus Jozef Heemskerk
Life of this patent
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Abstract
A cutting system is used for cutting a hollow cylindrical support beam which forms part of a support structure of a sea platform. The cutting system comprises a fixating device to fixate the cutting system in an operation position around an outer wall of the support beam, and a drilling device to drill a series of through holes in the outer wall and around the support beam. The drilling device is movable along a drill track and around the support beam by a drill driver.
Claims14
A cutting system for cutting a hollow cylindrical support beam which forms part of a support structure of a sea platform, wherein the cutting system comprises:
- a fixating device to fixate the cutting system in an operation position around an outer wall of the support beam;
- a drilling device to drill a series of through holes in the outer wall and around the support beam, which drilling device is movable by a drill driver along a drill track which extends around the support beam;
- and
- a spacer device configured to install spacers in a number of the through holes, which spacer device is movable along a spacer track by a spacer driver.
Dependencies are inferred from the claim text.