Controls for Drilling Oil and Gas Wells

摘要

As the demand for oil is rising in the less-developed parts of the world, so does the price of it (on a per calorie basis it is four to six times that of gas or coal), and, therefore, drilling for oil is becoming more and more profitable. (I also see the effect of this profitability on a personal level, as my son-in-law - the captain on a Shell Oil ship - is starting exploratory drilling on the outer continental shelf off Alaska's Arctic coast). In other words, our collective memories are short. Our hunger for profits has erased the memory of not only the BP accident, but also of Exxon Valdez, and we do not care about the future, when the sun will keep coming up, while gas and oil will not.