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PA Orders Companies To Plug Over 1,000 Abandoned Oil, Gas Wells

STATE IMPACT PENNSYLVANIA - State environmental officials have ordered three companies to plug more than 1,000 abandoned oil and gas wells.

Wells in Pennsylvania are considered abandoned when they have been inactive for more than a year. Left unattended, they can pose safety hazards or leak and contribute to greenhouse gas emissions.

Operators sometimes stop operating wells for various reasons, such as when a well fails to produce enough oil or gas to make a profit. Companies may choose to turn an inactive well back on again within the year.

If they don’t, as was the case with the 1,058 wells identified Wednesday by the DEP, the state can order the companies to shut the wells off for good.

The state has a long history with abandoned wells, dating back to the start of the oil industry in the 1800s.

“There’s between 100,000 and more than 500,000 of these orphaned and abandoned wells,” DEP spokesperson Neil Shader said. “We want to make sure we’re not adding to that number at all.”

The department estimates it costs between $10,000 to $100,000 to plug a well.

“We do want to make sure operators are being responsible in plugging these abandoned wells,” Shader said. “What we don’t want to have happen is an operator for whatever reason just leaving a well and eventually it becoming an orphan well and becoming something the state has to take care of.”

Operators do put up bonds, which is money the state can use to plug a well if a company shirks its responsibility. But those bonds don’t always cover the entire cost. Over the past three decades, DEP has plugged more than 3,000 such wells.

Shader said DEP was simultaneously working on orders for the three companies, so it decided to announce them together. The orders cover wells from southwestern Pennsylvania into the northern part of the state.

The department flagged Alliance, a subsidiary of Diversified Gas and Oil, with the most abandoned wells at 638. Diversified did not immediately respond to a request for comment.

DEP ordered CNX to plug 327 wells. A CNX spokesperson said the company is evaluating the order.

“It appears that at least 190 of the wells in question were included in the recent sale of substantially all of our shallow oil and gas assets, meaning the buyer is ultimately responsible for those wells,” spokesperson Brian Aiello wrote in an email. “As for the balance of the wells, we have always worked cooperatively with the DEP to meet our well plugging obligations and we expect to continue to do so going forward.”

The third company, XTO, must plug 93 wells according to DEP. A spokesperson did not immediately return a request for comment.

The orders give the companies 60 days to respond with a plan for plugging the wells. The operators can choose to appeal to the Environmental Hearing Board.