What is the top of an oil rig called?
Casing head (#27) is a large metal flange welded or screwed onto the top of the conductor pipe (also known as drive-pipe) or the casing and is used to bolt the surface equipment such as the blowout preventers (for well drilling) or the Christmas tree (oil well) (for well production).
What are oil rig guys called?
Roughneck is a term for a person whose occupation is hard manual labor. The term applies across a number of industries, but is most commonly associated with the workers on a drilling rig.

What is a cold rig?
For a cold rig, it is often the case that class or other certifications have either lapsed or been suspended, the equipment is not ready for full operations, the maintenance records are based on the stack plan rather than ongoing operations, and the crew is no longer on the vessel.
What does cold stacking a rig mean?
What is Cold Stacking? Cold stacking a rig means the hatches are battened and the crew is greatly reduced to either zero or just a few key individuals. The rig is then ‘stored’ in a harbor, shipyard, or designated area offshore until it needs to be activated.
What is warm stacking?

What is Warm Stacking? Warm stacking is where a rig, platform, or drillship is taken to port but kept running in a similar state to as if it was operating. Lights will be left on, engines will be up and running and there is a far smaller crew on board. Warm stacked rigs can be ready to go when needed.
Is stacking oil rigs a good idea?
Since the market downturn in mid-2014, stacking of rigs has become a strategy commonly employed by service providers to save money, helping weather the storm that is low-cost oil. For those new to the world of stacking, it can take two different forms:
How much does it cost to cold stack a rig?
Per a 2016 article in Bloomberg, it costs roughly $40,000/day to warm stack a rig, while cold stacking costs significantly less, coming in at $15,000/day. On an annual basis, service providers can save over $9MM by making the decision to cold stack a single rig.
What are the different types of stacking?
For those new to the world of stacking, it can take two different forms: Hot (or Warm) Stacking involves paying a skeleton crew to stay on the rig and conduct regular maintenance to ensure a smooth reactivation when the equipment is once again in demand and brought back online.
What is hot stacking?
Hot (or Warm) Stacking involves paying a skeleton crew to stay on the rig and conduct regular maintenance to ensure a smooth reactivation when the equipment is once again in demand and brought back online.