An overview of this block will be offered at this year’s Petroleum Exploration Society of Australia Farm-in Seminar to be held on the Gold Coast before the 2006 APPEA conference.
The exploration permit is located in the Gascoyne Sub-basin, 30km off the port of Carnarvon, and covers 7200 square kilometres.
Late Devonian carbonate reservoirs within the Gneudna Formation are the main objectives in the permit. The Barrabiddy-1A well intersected a dolomitised reef with core porosities up to 15.5%. At Quobba-1, a dolomite had log-derived porosities up to 15% and flowed some 1000 barrels of water per day on drill stem test. These reservoirs are encased in the marine shales of the Gneudna Formation.
Good oil-prone Type II source rocks are present in organic-rich marine shales of the Late Devonian Gneudna Formation, according to Empire. The total organic carbon’s range is 0.12-13.56%. In terms of pyrolysis and source rock volumetrics, S1+ S2 range up to 40 mg/gm with hydrogen indices varying from 40-347. These source rocks are in the oil generation window over most of EP-439.
The main prospects in EP-439 are Lake Macleod and Pelican Hill.
The Lake Macleod Prospect is a large structure of Devonian sediments draping over an older Silurian fault block with estimated potential recoverable reserves in the order of 150 million bbls.
The Pelican Hill Prospect is a compressional anti-cline of Cretaceous sediments with strong amplitude anomalies in the Birdrong Sandstone. Estimated potential recoverable reserves are of the order of 30 billion cubic feet of gas.
The farm-in terms are for farminees to earn a 75% interest in the entire permit by contributing 100% to the costs of drilling Lake Macleod-1.
The PESA Farm-in Seminar will be held on May 7 in Meeting Room 5 at the Gold Coast Convention and Exhibition Centre in Broadbeach, Queensland.
Company representatives will outline the technical and commercial aspects of their opportunities via short audiovisual presentations. There will be time during and after the seminar to discuss additional details with interested parties in private.
Registration fees are $180 for viewers.
These fees include a copy of the PESA 2006 Farm-in Seminar Report CD (containing details of all proposals presented), morning coffee and lunch, including drinks.
To attend as a viewer, register online (www.pesansw.com) by May 4.
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