Noble Energy Inc.
May 2, 2012

Noble Energy Provides Update On Leviathan Deep

HOUSTON, May 2, 2012 /PRNewswire/ -- Noble Energy, Inc. (NYSE: NBL) today announced that the Leviathan deep well offshore Israel has reached a depth of approximately 21,400 feet, the deepest known penetration in the Levant Basin.  High well pressure and the mechanical limits of the wellbore design resulted in the suspension of drilling operations before the primary objective was reached.  

Over the course of deepening the Leviathan #1 well, the Company and its partners have obtained valuable geologic and engineering data about the basin.  At approximately 21,000 feet, the well encountered a zone where natural gas was detected.  The composition of the natural gas was heavier than discovered in the shallower intervals and suggests a thermogenic source.  Additionally, at total depth of 21,400 feet, higher pressure was encountered indicating the possibility of an overlying seal.

Susan M. Cunningham, Noble Energy's Senior Vice President of Exploration and Business Innovation, commented, "Although the well did not reach the planned objective, we are encouraged by the possibility of an active thermogenic petroleum system at greater depths within this basin.  We will integrate the data from the Leviathan deep well into our model to update our analysis and design a drilling plan specifically to test the deep oil concept.  Part of the plan will be to secure a rig with the capabilities necessary to reach the target objective." 

Cunningham went on to say, "Based on the information received to date, we continue to believe there is potential for significant oil resources in this prospect and the basin."

The Homer Ferrington rig is scheduled to remain on location at the #1 well to conduct a production flow test of the previously discovered natural gas sands at Leviathan.

Noble Energy operates Leviathan in the Rachel and Amit licenses offshore Israel with a 39.66 percent working interest.  Other interest owners are Delek Drilling and Avner Oil Exploration with 22.67 percent each and Ratio Oil Exploration with the remaining 15 percent.

Noble Energy is a leading independent energy company engaged in worldwide oil and gas exploration and production. The Company has core operations onshore in the U.S., primarily in the DJ Basin and Marcellus Shale, in the deepwater Gulf of Mexico, offshore Eastern Mediterranean, and offshore West Africa. Noble Energy is listed on the New York Stock Exchange and is traded under the ticker symbol NBL. Further information is available at

This news release contains certain "forward-looking statements" within the meaning of the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995. Words such as "indicates," "anticipates," "suggests," "possibility," "believes," "expects," "intends,"  "will," "should," "may," and similar expressions may be used to identify forward-looking statements. Forward-looking statements are not statements of historical fact and reflect Noble Energy's current views about future events. They include planned development activities, business strategy and other plans and objectives for future operations. No assurances can be given that the forward-looking statements contained in this news release will occur as projected and actual results may differ materially from those projected. Forward-looking statements are based on current expectations, estimates and assumptions that involve a number of risks and uncertainties that could cause actual results to differ materially from those projected. These risks include, without limitation, exploration and development risks, drilling and operating risks, the presence or recoverability of estimated reserves, the volatility in commodity prices for crude oil and natural gas, the negotiation and execution of definitive agreements, environmental risks, competition, government regulation or other actions, the ability of management to execute its plans to meet its goals and other risks inherent in Noble Energy's business that are discussed in its most recent annual report on Form 10-K and in other reports on file with the Securities and Exchange Commission. These reports are also available from Noble Energy's offices or website, Forward-looking statements are based on the estimates and opinions of management at the time the statements are made. Noble Energy does not assume any obligation to update forward-looking statements should circumstances or management's estimates or opinions change.

SOURCE Noble Energy

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