Archive for 2008

During the 25th of November 2008 a very successful spot coring test was performed at 2800 m depth in the production well RN-17 B at Reykjanes. Well RN-17 B was being reconditioned by side-tracking it out of well RN-17 at 930 m depth below the production casing, to become an inclined exploration/production well. The core test was performed in an open hole at 35° inclination with newly built coring equipment. The main benefit of the core barrel is its unique feature to enable much greater water flow-rates for cooling during coring, or up to 40 l/s, as compared to conventional core barrels with only 4-5 l/s flow rates. A 9.3 m hydrothermally altered hyaloclastite breccia was cored with so to speak 100% core recovery. The newly purchased ICDP core barrel and bits proved just perfect for our IDDP purpose of coring in high temperature wells, and only minor improvement on the equipment is needed before further spot coring in the IDDP-1 well in Krafla next summer. The core bit experienced some 280°C during coring, and the entire operation took some 33 hours rig time. A short report is attached.



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According to our drilling schedule the drilling for 24 1/2″ casing to 280 m, and then for 18 5/8″ casing to 800 m depth, was supposed to occur this autumn. The drill rig Jötunn has been rigging up since last week and began drilling for the 24 ½” casing today. Weather conditions in Krafla are fine today and the rig will continue for the next 3 weeks or so before leaving for the Azores for the winter. The photo below was taken this afternoon by Hinrik Árni Bóasson.

The IDDP drilling plan can be viewed on a poster that was presented at the IGC-2008 congress in Oslo last summer.
JPG poster iddp 08 08



Landsvirkjun og Jarðboranir undirrita samning um djúpboranir við Kröflu.

Download file (In Icelandic)

The 1st IDDP drillhole will be drilled in Krafla, NE-Iceland. A detailed time schedule is now available.

Drilling for and cementing of the 32″ (inches) surface casing to 91 m depth has already been completed.

Site location: ISN93 coordinates : X east 602607, Y north 581630; Degrees 65° 42.953 N, 16° 45.871 W.

Time schedule:

Autumn 2008: Drilling for 24 1/2″ casing to 280 m, and for 18 5/8″ casing to 800 m depth.
March-April 2009: Drilling for 13 3/8″ casing to 2400 m
April-June 2009: Drilling for 9 5/8″ casing to 3500 m – including ~ 2 spot cores
June-July 2009: Drilling with 8 ½” drill bit to 4500 m – including ~ 8 spot cores
Autumn 2009: Flow test

Deep Vision, the steering committee of the Iceland Deep Drilling Project (IDDP) announces that the partners in the IDDP consortium, including a new partner, namely StatoilHydro ASA from Norway, have signed the 1st Accession Protocol to the existing contract to collaborate in deep drilling in Iceland. The consortium collaborating to test the IDDP concept now consists of the three leading Icelandic power companies, Hitaveita Sudurnesja Ltd., Landsvirkjun, Orkuveita Reykjavikur, together with Orkustofnun, Alcoa Inc. and the New Energy Division of StatoilHydro ASA.
Download file in English
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