By Ben Casselman 
   Of THE WALL STREET JOURNAL 
 

Natural-gas producer Chesapeake Energy Corp. (CHK) will issue $500 million in long-term debt, in what analysts viewed as an effort to reduce its dependence on suddenly shaky bank financing.

Chesapeake declined to comment on the announcement, but in a press release Tuesday evening the company said it was borrowing the money to pay off some of its bank debt. Oklahoma City-based Chesapeake withdrew its entire $3.5 billion bank line of credit when credit markets froze up in October to ensure that it would have access to the cash.

(This story and related background material will be available on The Wall Street Journal Web site, WSJ.com.)

But Chesapeake's bank debt, like that of many smaller oil and gas producers, is secured by the value of its undrilled gas reserves, which has plummeted along with the price of natural gas. With banks growing more cautious about lending due to the global financial crisis, many companies worry their banks will cut their credit lines when they come up for renewal, Subash Chandra, an analyst with Jefferies & Co. in New York, said.

To avoid a cash crunch if that happens, other companies, including Petrohawk Energy Corp. and Whiting Petroleum Corp. have also issued long-term debt in recent days. .

Chesapeake, the top U.S. gas producer by volume, has been forced to slash spending in recent months as gas prices have fallen. The company said Tuesday it would take a charge of $1.8 billion in the fourth quarter due to the declining value of its gas reserves and other assets. But Chesapeake said it had nonetheless increased its daily gas production by 18% in 2008, to 2.3 billion cubic feet a day, and had increased its in-ground reserves by 11%, to 12.1 trillion cubic feet.

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