So, you need to get hired for jobs on oil rigs? Then you definately had higher discover out what occurs on an oil rig, hadn’t you? First off, you could say that an oil rig’s life will be divided into 4 completely different phases:
– Drilling – a gap (5 inches to 36 inches) is drilled into the earth. During this course of, drilling fluid (often known as mud) is pumped in to help cool down the drill bit and take away the rock cuttings. After this, steel tubes are inserted into the hole to offer structural integrity. These pipes are 30 ft long, and likewise assist to isolate doubtlessly dangerous high strain zones from one another and from the surface.
– Completion – this is just a fancy title for getting the oil rig able to pump oil. The deepest sections of steel tubes are perforated so that oil can flow from the reservoir. An extra set of tubes is added to provide redundancy, permitting oil to movement from the reservoir to the surface for assortment. In older oil fields, there will not be enough strain underground to pipe the oil to the surface. On this case, extra pumps are installed. Utilizing these pumps known as “secondary restoration”.
– Manufacturing – this is what you will have been ready for. The well is connected by the pipeline to the refinery, and the oil is finally allowed to circulation. Sometimes, additional systems referred to as “tertiary restoration” are installed to get more oil out of the bottom. Maintenance is also performed on the oil well, including changing the steel tubes and pumps the place needed.
– Abandonment – the rig no longer produces enough oil to make a profit. Cement is pumped into the hole, after which capped and buried.
If you find yourself new and inexperienced, you will most likely solely be involved within the manufacturing part. You might be unlikely to be referred to as on to work within the drilling and completion phases.
Most wells are dug to supply oil. Nonetheless, many oil rigs additionally produce gasoline as a byproduct. Previously, this fuel is normally just burned off. These days, oil firms are extra ingenious in coping with this fuel. In the US, this gas is commonly piped to finish-customers. If there is no such thing as a market for pure fuel close to the oil rigs, the gas may be collected and transformed to synthetic gasoline, diesel or jet gasoline . This natural gasoline is also injected back into the reservoir, to extend the life of the oil effectively.
Both onshore and offshore oil rigs share the same life cycle. The difference is that offshore rigs must be more sturdy, and should be built on water. This results in more complicated logistics and a better value. Many offshore oil rigs are nonetheless comparatively near land, and rig crew are commonly transported by helicopter, e.g. oil rigs around the US Gulf coast. For oil rigs within the deep ocean, the rig crew should be transported by ship. Ship journeys take longer, so employees on offshore oil rig rigs have to work for longer stretches, perhaps 4 or 6 weeks instead of two weeks.