Articles Tagged with oil and gas

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Article from Texas Tribune, by Erin Douglas, republished with permission:

Deep underneath the ground, fluids travel down and shoot through ancient shale formations, fracturing rock and starting the flow of oil — the essential part of hydraulic fracturing technology that’s transformed America’s oil industry.

But that’s not all that comes up out of the earth.

Salty, contaminated water — held in porous rocks formed hundreds of millions of years ago — is also drawn to the surface during oil production. Before an oil price war and the coronavirus pandemic caused prices to crash in March, Texas wells were producing more than 26 million barrels of the ancient and contaminated water a day, according to an analysis by S&P Global Platts.

In the oil patch, figuring out how to dispose of this water “is something that only gets worse,” said Rene Santos, an energy analyst for S&P Global Platts. “Every time (companies) produce, they have to do something with the water.”

Usually, it’s later injected back underground, into separate wells — a practice that has been linked to increased seismic activity. Sometimes it’s reused in another fracking well. But a new U.S. Environmental Protection Agency decision allowing Texas to regulate the discharge of the water after it’s treated could be a first step toward new uses of the water — at least that’s what some Texas lawmakers and oil and gas producers hope. Continue reading →

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