Cairn Energy has re-entered the second appraisal well to be drilled on the SNE oilfield, 100km offshore of Senegal.
Joint venture partner Far said that the SNE-3 well will be drilled to a total depth of about 2,782m and is expected to be followed by an evaluation programme, which will involve coring, logging and flow testing.
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The SNE-3 well is located about 3km south of the initial SNE-1 discovery well and will further evaluate the potential of the SNE oil field.
The new well follows the first appraisal well at SNE-2, which flowed oil at 8,000 barrels per day constrained and estimated at over 10,000 barrels per day on an unconstrained basis.
The SNE-3 was drilled to a depth of 1,755m using the Ocean Rig Athena before drilling the SNE-2 well.
SNE-3 is expected to reach total depth after restarting drilling and the completion of coring in the latter part in February.
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By GlobalDataFAR estimates the SNE discovery to have around 200 million barrels of recoverable oil.
The appraisal programme is aimed at progressing towards proving a minimum economic field size for the SNE discovery and determining flow rates for the planning future development.
Cairn also plans to drill a third well in its current Senegal campaign, an exploration well on the Bellatrix prospect.
The BEL-1 well will be drilled after completion of SNE-3.
Cairn operates the Senegal joint venture with a 40% interest and the remaining partners are ConocoPhillips (35%), Far (15%) and Petrosen (10%).
Image: Location of SNE-2, SNE-3 and BEL-1 evaluation wells. Photo: courtesy of FAR Limited.
