Te Giac Trang appraisal well off Vietnam successfully flows
Offshore staff
LONDON -- The Te Giac Trang appraisal well, the TGT-7X on block 16-1 in the Cuu Long basin offshore Vietnam, flowed at a combined maximum rate of approximately 8,100 b/d of oil from two drillstem tests (DSTs), according to SOCO International. The TGT-7X well was drilled to test a separate, previously untested fault block within the TGT field, designated H3N, and was drilled to improve knowledge of the reservoir distribution.
The first of the two DSTs tested the lower section of the Lower Miocene ILBH5.2 in a net interval of 36.5 m (120 ft) between 2,922.5 m and 3,002.5 m (9,588 ft and 9,851 ft) measured depth. The test flowed at rates in excess of 7,100 b/d of oil and 5.9 MMcf/d of gas with no water.
The second test, in a net interval of 13 m (43 ft) between 2,754 m and 2,773 m (9,035 ft and 9,098 ft) MD of the upper section of the Lower Miocene ILBH5.2, tested a tighter previously untested part of the reservoir and produced at approximately 1,000 b/d of oil and 0.5 MMcf/d, the company says.
Following this well, the Adriatic XI rig will have reached the end of its contract and on release will leave Vietnamese waters. Activities are ongoing to evaluate options for the TGT-8X appraisal well.
To date, seven exploration/appraisal wells have been drilled in the TGT field, with an average oil and gas flow of approximately 11,300 boe/d from each well.
The TGT field reserve assessment report received approval from the Vietnam government in April 2008 and the field was subsequently confirmed as a commercial discovery under the petroleum contract. The company has submitted an outline plan for the development of the field to PetroVietnam and the Vietnam government. Approval for the TGT field development plan is anticipated in late 2008, the company says.
08/27/2008
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