This post contains the TI-89 code for a program that calculates a gas' z-factor using the Hall-Yarborough correlation.
Last Monday, the world woke up to the following press release from Shell:
September 28, 2015
The oil patch is in severe financial pain and it seems that prior to the summer 2015 drill season that Shell set the well test results as a pass/fail decision point.
This post is a review and commentary on the book Twilight in the Desert: The Coming Saudi Oil Shock and the World Economy by Matthew R. Simmons. 448 pages, John Wiley & Sons Inc. June 2005, ISBN-13 978-0-471-79018-1.
Twilight in the Desert is a book describing the history of Saudi Arabia's oil with the underlying thesis that it's epic run of easy light crude production is fact coming to an end despite Saudi Arabia's public claims that they're oil is limitless.
I grew up with fire, ice and North Slope Crude in my veins. I completed a B.S. in Petroleum Engineering and currently work as a wireline field engineer in the Permian.