Drilling Rigs

Onshore and offshore drilling rigs represent systems with many components. These systems must work reliably and continuously in harsh or remote settings, while protecting the crew members on-board.

Drilling derrick-stress-loading

Drilling derrick-stress-loading.

There are many considerations in designing rigs, including their physical footprint, environmental impact, whether they will be fixed or floating, and how they are built and towed/transported to the site. Construction and lifting operations, and how quickly they can be broken down and rigged-up onshore, are also considerations. Because rigs are very capital-intensive, ensuring integrity and robustness is essential. Engineers must identify and address any performance issues early in the design cycle.

Rig sub-structure

Structural mechanics analysis of rig sub-structure.

For decades, engineering simulation software from ANSYS has been essential for some critical components of drilling rigs for many engineering teams. ANSYS structural mechanics solutions are used for global and detailed analysis of structures and substructures, derricks, hoisting systems, jackets, piping and risers. ANSYS tools enable engineers to understand the real-world effects of impacts and explosions, as well as long-term wear, erosion and fatigue.

Computational fluid dynamics solutions from ANSYS help teams illuminate complex issues associated with wind, wave and ice loading. ANSYS solutions are used to design half-decks, gas dispersion and exhaust systems, crew cabins, fire and explosion equipment, processing equipment and pressure-control devices.

Electromagnetic field from the drilling drive

Contours of electromagnetic field from the drilling drive.

Electromagnetic simulation tools from ANSYS are used to optimize the performance of power systems, electronic motors, on-board sensors and antennas.

Whether they are onshore or offshore, drilling rigs represent highly complex systems. With its multiphysics, ANSYS software allows engineers to weigh the trade-offs among construction, transport, installation and operating costs, efficiency, maintenance, stability, and crew comfort and safety — resulting in highly optimized rig designs.