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Byron makes Gulf of Mexico discovery

Operator to move ahead with development after hitting a "substantial" hydrocarbon column

Australian company Byron Energy will move forward with the development of the South Marsh Island 58 (SM58) Block, off Louisiana, after hitting “a substantial hydrocarbon column” in a well on the Cutthroat prospect.

Byron revealed Thursday the SM58-011 well had logged the thickest O Sand hydrocarbon column within the entire SM73 field in which over 350 wells have been drilled.

Third party petrophysical calculations based on logs from the SM58-011 well indicated 302 feet of gross hydrocarbon bearing O Sands with 271 feet of net true vertical thickness.

Byron added the logs confirmed a thick, clean, high quality O Sand with average porosity above 30%, containing a liquids rich gas with high quality oil, typical of O Sand completions on the block.

The final liquids content of the sand will not be fully known until the well is completed and placed into production, but Byron expects output from the well to range from 30 – 100 barrels of oil per million cubic feet of gas.

Following the positive results from the well, Byron said it intended to move forward with the development of SM58, with initial engineering studies on structural modifications to the jacket and decks on a recently acquired platform already completed.

It has already started work on removing existing production equipment from the platform for refurbishment, with the facility to be redesigned to accommodate up to 8000 barrels of oil per day, 80 million cubic feet of gas per day and 8000 barrels of water per day.

Byron holds all the operator’s rights, title, and interest in SM58 to a depth of 13,639 feet with 100% working interest and 83.33% net revenue interest.

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