Understanding the three basic types of rock
By: Ana M Tomsa
In recent decades geology has become more exposed to the public eye what with the multitude of documentaries, internet, the development of a certain tourism niche called geotourism, and all the geological hazards (earthquakes, volcanic eruptions, etc.) which get their spotlight in daily news...
By: Karyn B Jules
The Eyjafjallajokull (Island-mountain-glacier) volcano in Iceland is relatively small and holds a low position on the list of dangerous and/or life threatening volcanoes. However, the nature of a volcanic eruption which begins deep below a glacier is extremely explosive in its initial stages as molten...
By: Peter Stern
Loose oil spills contaminate everything. When oil first is spilled into the sea it spreads on the surface because oil and water do not mix. Over time, the oil moves along with the current and other natural factors, e.g., winds, storms, tides, etc. Petroleum...
Why airplanes cannot fly under an ash cloud
By: Poppy Reid
Everybody's heard about the volcano, Eyjafjallajokul, in Iceland, erupting and causing a huge cloud of volcanic ash to rise above Britain and Europe. It stopped hundreds of flights, infuriated thousands of people who were planning to travel, and cost Britain's airports millions of pounds. Many...
Climatology breakthrough: How lasers can create rain
By: Terrence Aym
In the 1956 movie "The Rainmaker," Burt Lancaster convinces a drought-stricken farm town to pay him $100 to make it rain. Lancaster is a con man, yet after a series of dramatic twists and turns, rain does fall by the end of the movie&mdash...
Challenges for offshore oil and gas production
By: L.B. Woodgate
There is no greater challenge for offshore oil and gas production than safety. In the extraction of the crude, transporting it and in the refinery process, the hazardous material must be handled by trained professionals to insure that the toxic substance does not explode or...
By: Jim J Jones
An offshore oil rig is, generally speaking, a floating electric drill. It consists of a building on top, a large pipe that sticks out the bottom and into the ocean, and a BIG drill at the bottom of that pipe to cut through the bedrock...
By: Jim J Jones
An oil spill is just about the worst type of natural disaster in a large body of water. It might be thought of as the wildfire of the ocean: it leaves nothing and no one untouched, decimating populations of every species within its reach. The...
A look at the drill crew needed to perform drilling operations on an offshore oil rig
By: L.B. Woodgate
The larger off-shore oil rig platforms can have as many as many as 150-160 people employed doing various jobs. Most are support staff that performs non-drilling functions like maintenance, material handling and storage, and food preparation. Others may assist with the drilling but they have...
What is an oil riser?
By: Hai Shunxi
An oil riser (more properly a drilling riser) is part of the piping system of an offshore well. It is a large-diameter pipe that connects the drill rig on the surface to a complex on the seafloor that includes the blowout preventer (BOP) stack. Risers...

 

1 302 303 304 305 306 533