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04/01/2008 Press release 1/2008: DONG E&P Norge, the operator of production licence 274, has carried out the drilling of appraisal well 1/3-10 at the 1/3-6 discovery (called ”Oselvar”) in the southern part of the North Sea. The well proved oil/condensate with associated gas.
The well was tested. The drilling was carried out with the drilling facility Mærsk Guardian at a water depth of 72 metres. The purpose of the well was to collect data on the reservoir’s delivery and flow characteristics as well as collecting fluid samples of the oil. The well was drilled to 3288 metres and concluded in rocks from the early Paleocene. Comprehensive data collection and sampling were carried out.
The thickness and quality of the reservoir was as indicated by the prognosis. A number of small-scale formation tests were carried out to quantify the flow characteristics. In addition, the well was tested. The test showed a production rate of 530 standard cubic meters (Sm3) of oil per day with a gas-oil ratio of 476 Sm3/Sm3 without water.
An appraisal well 1/3-10 A will now be drilled deeper in the structure to measure pressure and to take water samples in the water zone. The well will then be permanently plugged and abandoned. The drilling rig Mærsk Guardian will then be taken over by BG Norge AS. DONG E&P Norge will then again take over Mærsk Guardian to drill another exploration well on a prospect called Ipswich in the vicinity of the 1/3-6 discovery in production licence 274.
The 1/3-6 discovery (”Oselvar”) was made by Elf Petroleum Norge in 1991. Production licence 274 was awarded to DONG in 2002. The discovery is located 20 kilometres west of the Gyda field in the southern part of the North Sea.1/3-10 is the third well drilled on the 1/3-6 discovery.
The licensees in production licence 274 are:
|DONG E&P Norge AS (operator):||40 per cent|
|PA Resources AS:||30 per cent|
|NORECO:||15 per cent|
|Revus Energy ASA:||15 per cent|
Contact in the NPD:
Eldbjørg Vaage Melberg, tel. +47 51 87 61 00.