ID: 523
OBJECTID: 523
wlbNpdidWellbore: 858
wlbName: 34/10-26
wlbHistory:

General

Well 34/10-26 was drilled to test possible shallow gas accumulation in sandstones at the location for the Gullfaks C platform. The targets were several sand layers of Pliocene age. Gas had been indicated on seismic anomalies and logs from other wells in the same field.

Operations and results

Well 34/10 was spudded with the semi-submersible installation Deepsea Bergen on 18 October 1985 and drilled to TD at 600 m in Pliocene sediments in the Nordland Group. A problem with running the 13 3/8" casing caused a day delay, otherwise no significant problem was encountered in the operations. The well was drilled with water based mud.

Top Pliocene was penetrated between 300 and 317 m. A layer of sandy claystone that appeared to contain traces of gas was penetrated from 343 m to 350 m. Below this level the well penetrated two water bearing sand layers without any gas at 355.5 m to 356.5 m and 358.5 m to 360 m.

No cores were cut and no wire line fluid samples were taken. A full set of conventional logs where run. Cuttings samples were taken every 5 m from 320 m to TD.

The well was permanently abandoned on 26 October 1985 4.

Testing

No drill stem test was performed.

wlbHistoryDateUpdated: 2016-07-06T00:00:00