Inquirer Daily News Philly.com

Marcellus Shale Maps and Guides

Maps & Guides

Wells Drilled in Pennsylvania

Explore all the wells drilled permits issued to drillers since 2005 throughout Pennsylvania.

Launch Map »

Marcellus Gas Production and Waste

Explore how much Marcellus gas and waste is produced in each county in Pennsylvania

Launch Map»

Drilling Violations

Explore all the drilling violations throughout Pennsylvania since 2005

Launch Map»

Hydraulic Fracturing 101

WHAT IS HYDRAULIC FRACTURING?

Click here to explore the process »

#MARCELLUS ON TWITTER
HOW "BATTLE LINES" WAS REPORTED
The Marcellus shale drilling boom has tapped a bounty of natural gas worth billions, but Inquirer reporters Joseph Tanfani and Craig R. McCoy found that thousands of miles of high-pressure pipelines carrying the gas to market are being installed with no government safety checks – no construction standards, no inspections, and no monitoring. In fact, state and federal regulators don’t even know where many lines are located.