U.S. shale producers, refiners and pipeline companies are scrambling for cash and face likely restructuring as they struggle under heavy debt loads while engulfed in the worst crisis the oil industry has faced.

Fuel demand has tumbled roughly 30% worldwide as the coronavirus pandemic destroys demand for transport, provoking a massive glut of oil that has hammered global prices and left energy companies with no choice but to pump hundreds of millions of barrels into storage.

Just as demand plummeted, Saudi Arabia and Russia started an oil price war, and Riyadh flooded the market with even more crude. That left the oil industry facing the prospect of a long period with prices below their production costs.

Shale producers came into the crisis with already high debt levels, namely from big investments to increase production across the U.S. in a bet on higher prices.

But in turning the U.S. into the world’s largest oil producer, the companies became the victims of their own success when the quick rise in supply meant returns were thin. Investors lost patience, tightened credit and pushed shale producers to stop expanding and pay them back.

Enter coronavirus. Oil prices have crashed 75% this year, and on April 20, closed at about minus-$38 per barrel. Most U.S. producers have announced one, if not two, rounds of spending and output cuts. But the crash sent prices to levels well below what companies and advisors had modeled in worst-case scenarios, according to energy lawyers.

About half of the top 60 independent U.S. oil producers are in danger of restructuring and will need to find ways to boost their cash pile, according to energy lawyers at Haynes and Boone.

"The reverberations from this price collapse will be felt throughout the industry and by everyone who provides services to the industry," said Buddy Clark, a Houston-based partner at the firm.

Companies that used debt to fund acquisitions before prices crashed, such as oil giant Occidental Petroleum Corp., are focusing on placating shareholders and preserving cash.

Numerous midstream companies backed by private equity are in danger of bankruptcy, according to some of the more than a dozen industry and financial sources Reuters spoke to for this article, while large banks are preparing to become owners of oil and gas fields as they seize energy assets.

One midstream company, Salt Creek Midstream LLC, which operates in the Delaware Basin in Texas, had already hired Jefferies Financial Group and law firm Kirkland & Ellis for debt advice before the week's events, according to three sources aware of the matter, speaking on condition of anonymity to discuss non-public information.

Salt Creek and its advisers declined to comment, as did private equity investors Ares Management Corp. and ARM Energy.

More shale producers are expected to seek bankruptcy protection in coming weeks, industry and banking sources say, following Whiting Petroleum Corp., which announced such steps earlier this month. Many small and mid-sized producers, including Chesapeake Energy Corp., have retained debt advisers.

The forecast loan default rate for 2020 among energy companies is 18%, according to Fitch Ratings, while nearly 20% of all energy corporate bonds are trading below 70 cents on the dollar, indicating distress, according to data from MarketAxess.

Occidental hoped asset sales would help reduce its debt pile, which stood at nearly $39 billion at the end of 2019 after its massive acquisition of Anadarko Petroleum last year. It has since cut costs twice and slashed its prized dividend.

Some oil trading merchants, who are responsible for a large part of the global crude trade, have stopped paying in advance for oil and fuels to companies with low credit ratings because they're concerned about getting that cash back, according to two credit managers at two commodities merchants.

"Pretty much most refineries and producers are on watch lists. It's a long list now," said one of the credit managers.

Producers and Pipelines

Privately held pipeline operators are considered the most vulnerable among midstream companies, bankers said. As shale producers hit bankruptcy, they're expected to try to use court proceedings to exit pipeline contracts which charge transport fees based on oil and gas prices well above current levels, according to Clark and Charles Beckham, another Haynes and Boone partner.

Privately owned Glass Mountain LLC earlier this month sued troubled producer Chesapeake Energy for allegedly defaulting on an oil transportation contract, according to court documents.

Midstream companies are also threatened by a slow fall in production, as wells are being plugged due to poor market conditions. Based on company estimates, at least 600,000 bbl/d of U.S. production cuts have been announced, and that cuts off transportation fees earned by pipeline companies.

A number of these midstream operators borrowed heavily to finance pipeline systems, built to support producers developing new, costlier shale plays when oil prices were higher, but are no longer profitable.

Debt belonging to private midstream operators is trading at distressed levels, with many between 40 and 50 cents on the dollar, such as Brazos Midstream Holdings LLC, a Delaware Basin operator whose long-term debt was downgraded to CCC+ by Fitch Ratings last week, a rating described as implying substantial risks.

Refining

Oil refiner PBF Energy built up a network of six U.S. refineries over a decade, including this year's nearly $1 billion purchase of a San Francisco-area plant. With the market's slide, the entire company is currently worth less by capitalization than that purchase.

PBF last month said it would sell hydrogen gas plants for $530 million to raise cash. That sale "solves some short-term problems for them," said one person familiar with the transaction, but cautioned that this alone will not stabilize the company unless fuel demand begins to recover. The person declined to be identified because the matter was not public.

The company declined to comment.

Demand, however, is down by roughly 25% in the U.S., and oversupply is expected to linger for months.

An April survey of energy producers by the Federal Reserve Bank of Kansas City found nearly 40% would be insolvent within a year if oil prices remained around $30/bbl. U.S. crude prices closed under $14/bbl on April 22.

"The restructuring guys are extremely busy. I don't think they'll be busy for just this year—I think it's a multiyear process," James West at investment bank Evercore ISI told investors on April 22.