Calvalley to Drill More Wells on Block 9 in Yemen

Calvalley Yemen Activity
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Calvalley Petroleum, Operator of Block 9, has received approval from the Ministry of Oil and Minerals of the Republic of Yemen to drill an additional two exploration wells and four development wells on Block 9. The approved wells are part of the company's proposed ten well program for the year 2004. The first two wells completed in 2004, were successfully drilled in the Qishn oil structure in the Al Roidhat field.

The first of the six wells is scheduled to spud on July 22, 2004 and will be the fourth appraisal well in the Al Roidhat Qishn pool. The well will be drilled to the basement, penetrating all geological horizons. After this well is completed, the drilling rig will be moved to a new pool prospect (South Roidhat) approximately five km southwest of the Al Roidhat 1 discovery well, in order to drill an initial exploration well. This new pool was identified as a result of the 2004 seismic acquisition program.

Following the drilling of the South Roidhat exploration well, the drilling rig will be moved to a drilling prospect on the top of the plateau, situated approximately seven km south-east of Al Roidhat 1. The prospect, known as Ras Noor is an independent Qishn structure and has an aerial extent of approximately 22 square km. Depending on the results of this well, the drilling program for the remainder of the year may be altered to further assess the Ras Noor structure. Irrespective of the specific well program, Calvalley intends to drill continuously until the end of the year with only a one to two week delay between the completion of one well and the spud of the next.

The production testing of the Al Roidhat 2, Saar formation, commenced on July 4th, 2004 and has been suspended pending further assessment of the well. The Company is currently awaiting the third party engineering assessment of the Auqban test, which was completed in June. The results of these two tests will impact the development strategy for Block 9, as Calvalley and its partners are of the view that blending the production from Al Roidhat with oil and/or condensate from another structure on the Block will optimize production economics.

Ed Shimoon, Calvalley Chairman and CEO stated, "The current drilling program is a continuation of Calvalley's program of commercial evaluation of Block 9. As Operator, we are excited about its prospects and look forward to a busy work program over the remainder of the year."

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