Cheyenne Energy Inc.
TSX VENTURE : CHY

Cheyenne Energy Inc.

September 10, 2007 17:26 ET

Cheyenne Energy Inc.: Operational Update

CALGARY, ALBERTA--(Marketwire - Sept. 10, 2007) - Cheyenne Energy Inc. ("Cheyenne" or the "Company") (TSX VENTURE:CHY) announces that it has successfully closed off channels in the cement behind the well casing of 14-14-097-20W5M. As previously announced, the channels were allowing water from a water zone below the primary reservoir to flow up and into the casing, and this issue has now been successfully resolved.

The Company has also performed a well stimulation, followed by swabbing for the past three days, recovering highly gasified fluid. The gasified fluid consists of emulsified oil and drilling fluid. Cheyenne will continue to swab the well in order to clean up the reservoir and fully evaluate the Gilwood zone.

Cheyenne is a Calgary based oil and gas exploration and development company in Western Canada. It has positioned itself as a strong junior oil and gas producer through internal generation of core producing areas. The corporate strategy is organic growth through the drill bit, maintain high working interests and operatorship, develop core areas in geographic areas of expertise of management, all in order to maximize shareholder value.

Cheyenne's shares are listed on the TSX Venture Exchange under the symbol CHY.

This press release contains forward-looking statements. These forward-looking statements can generally be identified as such because of the context of the statements including words such as the Company "believes", "anticipates", "expects", "plans", "may", "estimates" or words of a similar nature. These statements are based on current expectations and are subject to known and unknown risks, uncertainties and other factors that may cause the actual results, performance or achievements of the Company to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. Accordingly, readers are cautioned and no assurances can be given that any of the events anticipated by the forward-looking statements will occur, or if any of them do so, what benefits that we will derive there from. The Company does not undertake any obligation to publicly update or revise any forward-looking statements.

The TSX Venture Exchange has not reviewed and does not accept responsibility for the adequacy or accuracy of this release.

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