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A unit of Bankers Petroleum Ltd., Calgary, is redeveloping giant Patos-Marinza heavy oil field in central Albania under an existing license between state Albpetrol SHA and the National Petroleum Agency of Albania.

A unit of Bankers Petroleum Ltd., Calgary, is redeveloping giant Patos-Marinza heavy oil field in central Albania under an existing license between state Albpetrol SHA and the National Petroleum Agency of Albania.

Reworking and equipping wells with progressive cavity pumps brought production to 2,300 b/d from 57 wells in early December compared with about 600 b/d when Bankers signed the contract with state Albpetrol in mid-2004. Bankers unit Saxon International Energy Ltd. holds 100% working interest in all of the field’s 2,500 original wells.

Albpetrol separately produces 3,000 b/d from 600 wells in the field.

Patos-Marinza, discovered in 1928 and placed on production in 1939, is producing 10-11° gravity oil from an estimated 1.95 billion bbl of original oil in place in the Driza, Marinza, and Gorani formations at 300 ft to 5,900 ft deep. Historical recovery rates have been only 6% of OOIP, Bankers said.

Bankers plans to submit a final development plan to Albpetrol by yearend. That plan is to involve recompleting a total of 600-900 wells to western standards under primary heavy oil recovery techniques.

Bankers exported 22,000 bbl of Patos-Marinza crude from the Adriatic Sea port of Vlore, Albania, to an undisclosed Italian refinery and plans a second shipment soon.

Patos-Marinza is one of continental Europe’s largest onshore oil fields in terms of OOIP. The 44,000-acre field peaked at 13,000 b/d in the early 1960s. Consulting engineers estimated P50 reserves at Sept. 30, 2004, at 35 million bbl proved and 98.2 million bbl proved plus probable.

Source : ogj.pennnet.com

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