'Orphan' oil wells in West Texas are leaking methane into the atmosphere

Zombie wells: The threat beneath

Meet The Retired Oil Exec Plugging Forgotten Wells To Reduce Emissions | World Wide Waste

Texas Oil Country Has An Invisible Secret

Leaking ‘zombie’ wells haunt Trinity Bay, Texas

Ticking time bombs - What risk do abandoned oil and gas wells pose? | DW Documentary

Turning Leaky Oil Wells into Renewable Energy Storage | Renewell

Forgotten oil wells leak, spew, pollute

Meet The Retired Oil Exec Plugging Forgotten Wells To Reduce Emissions | World Wide Waste

El Rio Bravo del Norte - The Fierce River of the North

Think Fast, Talk Smart: Communication Techniques

Oil Well Drilling Process - a Shell film

State spending $25M to address "zombie" oil and gas wells

This Retired Oil Exec Wants to Plug Up Millions of Abandoned Wells Across the US

The challenge of tracking methane emissions and why they are higher than publicly reported

All Things Water Course I, Activated Sludge

How the Permian Basin Became North America's Hottest Oilfield | WSJ

Environment Matters - Plugging Abandoned Orphaned Oil and Gas Wells

How Do Oil Pumpjacks Work?

How Dying Gas Wells Are Making One Company Rich

Who will clean up America's abandoned oil wells? | FT Energy Source