Shale Reservoirs, do they work, will they spread?

By Andy May Popular accounts of shale oil and gas reservoirs are often riddled with errors and, even when technically correct, often misleading. As a shale petrophysicist, retired from Devon Energy, I thought I would try and explain, in a non-technical way, how these reservoirs work and why they have been so successful. We often…

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How Bad is HadCRUT4 Data?

Guest Essay by Renee Hannon Introduction This post is a coarse screening assessment of HadCRUT4 global temperature anomalies to determine the impact, if any, of data quality and data coverage. There has been much discussion on WUWT about the quality of the Hadley temperature anomaly dataset since McLean’s Audit of the HadCRUT4 Global Temperature publication…

Electri-Fried Fusion

Guest Post by Renee Hannon My dad is an off-the-grid kind of guy and the cost of his lifestyle choice is usually secondary. He was one of the first in Delaware to install a solar hot water heater on his roof in the early 1970s.  During the past decades a gorgeous oak tree grew tall…

How constant is the “solar constant?”

By Andy May The IPCC lowered their estimate of the impact of solar variability on the Earth’s climate from the already low value of 0.12 W/m2 (Watts per square-meter) given in their fourth report (AR4), to a still lower value of 0.05 W/m2 in the 2013 fifth report (AR5), the new value is illustrated in Figure 1.…

The Great Climate Debate Report

By Andy May ***Updated*** After I posted my series on the great climate debate between Dr. William Happer and Dr. David Karoly, hosted by TheBestSchools.org, I received several requests to pull the series together into one pdf. This is now done, and the pdf can be downloaded here. Since the series was posted, we have…

The Great Debate Part D – Summary

  By Andy May In Part A of the Great Debate series (see here) we discussed Dr. David Karoly’s and Dr. William Happer’s arguments regarding how unusual recent global warming is and how we know the recent observed increase in CO2 is due to human activities. In Part B we examined their thoughts on the amount of warming caused…

What is warming the Earth?

Guest Post By Javier A no-assumptions look at the global warming evidence helps clarify the possibilities. The planet’s surface has been warming since the depths of the Little Ice Age, and particularly since ~ 1850 AD. The surface temperature record, however incomplete or uncertain, reflects this warming. Hypotheses about why the warming is taking place…