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December 2001

A quiet, rural region of southern Colorado was shaken up in recent weeks when a series of small earthquakes caused minor damage -- and raised some serious questions about possible causes, including industry activity. Some are concerned that natural gas production is causing the tremors.

Canada Steps Up Pipeline Security

As Americans enter the winter heating season, they must rely upon the security of foreign imports of oil and natural gas to heat their homes, offices and factories -- and Canada, with its highly integrated, transcontinental system of pipelines, is a key energy supplier to the United States.

Vote Delay Saved Member's Life

AAPG member Sam Epstein has his own story to tell about what it was like at the World Trade Center on Sept. 11. He was there.

El Niño Alarms Prove to be False

AAPG's unofficial expert on the El Niño phenomenon and its effect on natural gas prices says he does not expect to see $10 gas prices again this year -- but he does anticipate steady gas prices through this winter.

Emphasis: Downhole Geology

Looking Through the Borehole, Muddily

Economics and risk: Borehole imaging using microresistivity images have become important, efficient, cost-effective tools

NMR Advancing Toward Simplicity

Nuclear magnetic resonance (NMR) continues to be a valuable and technically evolving tool for downhole geology.

NMR (first) 'Rocked' in the '60s

The potential of NMR measurements to provide information on formation pore fluids and pore structure was first identified in the 1950s. The first NMR log was run in 1960, measuring the signal from protons precessing in Earth's magnetic field.

MRI Logging Takes the Next Step

Magnetic resonance imaging can provide answers to many questions regarding downhole geology.

Geologist Skills Needed at Wellsite

Intimidated at the wellsite? Geologists who keep up to speed on developments involving drilling fluids and new techniques can be enormously valuable.

Dual Gradient Providing a Solution

A new technology called dual gradient drilling has the potential to revolutionize deep-water drilling.

Standing Columns

President’s Column

Asia Pacific — An AAPG Growth Area

Economics and risk: Borehole imaging using microresistivity images have become important, efficient, cost-effective tools

Geophysical Corner

Seismic Maps Ferron Coalbed Sweetspots

This month's column is titled "Seismic Guides Interpretation in the Ferron Coalbed Methane Play."

Business Side of Geology Column

$hhhhh: $ome Topic$ Are Taboo

A taboo is a problem everyone acknowledges privately, but no one is comfortable talking about openly.

Regions and Sections

Invitation to Annual Meeting in Houston

The International Pavilion (IP) Committee invites all AAPG members and attendees to visit the IP March 10-13 during AAPG's 2002 annual meeting in Houston.

December 2001

Table of Contents

Emphasis: Downhole Geology

Standing Columns

News & Features

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