It is a fact that the Bakken crude is being shipped with a lot of gas in it. This is hardly surprising since there is no infrastructure to carry natural gas out of the Bakken fields and any gas separated from oil must be flared. Concerns about its volatility has led the state of North Dakota to pass a regulation limiting oil shipped in the state to a maximum Reid Vapor Pressure of 13.7 psi. That's still pretty high; RVP for gasoline is typically much lower than that. By comparison, summer grade gasoline in many areas has a maximum RVP of 7.0 psi.
The ND rule limiting vapor pressure to 13.7 is not yet in effect. It has been determined that the oil in the recent WV crash had an RVP of 13.9.
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Today's Featured Article - Box Plow Blues - by Tom Schwarz. One of the first implements most tractor owners obtain is the box plow. For very little money, this piece of equipment promises to plow and flatten any hill or vale on your ranch road or farm. At least that's what I thought! As simple as a box plow appears, it can be rather challenging to make work correctly. In our sandy soils of Florida, traction is king. You can never have wide enough tires or heavy enough weights to get all the traction you want … unless you own a monster tractor. U
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