Pemex scores in the offshore Sureste Basin - Mexico
This article is extracted from International Oil Letter, Vol 25 issue 12, published 23 March 2009.
Pemex has completed four exploration wells in the offshore Sureste Basin as oil producers. The Xanab-DL 1 outpost was tested for 9,200 bo/d. It was drilled to a total depth of 5,980m in 28m of water in the Litoral de Tabasco area, near the Kuche field and about 17km north-west of Puerto Ceiba, Tabasco. An outpost well of the 2005 Xanab 1 light oil and gas discovery in 2005, the new well has potential reserves of 12.68 MMboe (P90), 41 MMboe (P50) and 132 MMboe (P10). Meanwhile, a new field wildcat in the western Abkatun area tested 4,000 bo/d. Tecoalli 1 was drilled to a total depth of 3,930m in 33m of water by the Mexdrill Offshore, Ocean Columbia "6047" rig. Another wildcat, Tsimin 1, had an initial production of 4,400 b/d of 41.5° API crude.
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It was drilled to a total depth of 5,728m in 17m of water by the Mexico Drilling Ltd's Pride Wisconsin "9156" A/E rig. Cretaceous and Jurassic sequences were targeted. An outpost to a 1992 discovery was tested in two zones for a combined 7,680 bo/d. Yaxche DL 1 flowed 2,730 bo/d and 895 Mcfg/d from an interval between 3,835m to 3,797m; flowing tubing pressure was 887 psi on a 1/2" choke. An interval from 3,720m to 3,735m flowed 4,950 b/d of 23° API oil and 1.7 MMcfg/d on a 5/8" choke with 1,150 psi flowing tubing pressure. This well was drilled to a total depth of 4,507m in 22m of water by the Noble Drilling Mexico "6006" A/E rig. Targets were in the Tertiary sands. The well is an outpost to the Yaxche 1 oil discovery.
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