Lancaster 2014





Lancaster (UK well 205/21a-F), West of Shetland

Position: 60°11’13.738” N  003°50’19.071” W
Depth: 147 m
Water Temperature: 9.2° C
Dates: 22nd to 25th April 2014 & 28th May to 6th June 2014


Industry Partners

Gas & Oil Company Hurricane Energy
Rig: Transocean 712
ROV Operator: Fugro
ROV Fugro FCV609

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The SERPENT Project carried out two visits to the Transocean Sedco 712 at Hurricane Energy’s Lancaster Horizontal appraisal well in summer 2014. This was the latest in a series of SERPENT missions to this area, west of Shetland in collaboration with Hurricane Energy. These studies documented the fauna inhabiting the seabed at Lancaster before and after drilling. The study included a pre-drilling and post-drilling component. This work is the latest in a series of visits to three of Hurricane Energy’s drilling locations to study biodiversity and disturbance. The results are also important as part of a wider effort to study of deep sea ecology in the areas west of Shetland and the Norwegian Sea.

Transocean Sedco 712


Biological Observations

The images and video from all the work at the Lancaster and Whirlwind sites can be viewed on the SERPENT archive database.

Some of the highlights are shown in the figure below.

Observations of megabenthic invertebrates and fishes from Lancaster in 2014: 1) Porifera (yellow sponge), 2), actiniarian (indeterminate anemone) 3) Metridium senile (plumose anemone), 4) hormathiid anemone, 5) zoanthids covering a rock, 6) a tiny octopus (likely Eledone cirrhosa), 7) serpulid polychaete worm (fan worm), 8) hermit crab (Pagurus prideaux) with anemone (Adamsia sp.), 9) Munida sp. squat lobster, 10) Edible crab (Cancer pagurus), 11) Anserpoda placenta (goosefoot star), 12) Porania pulvillus (cushion star), 13) Asterias rubens (common starfish), 14) Solaster sp. (Sunstar), 15) Stichastrella rosea, 16) Ophiuroid (brittle star), 17) Cidaris cidaris (pencil spine urchin), 18) Parastichopus tremulus (spiny sea cucumber), 19) Porella (Bryozoan) small comatulid crinoid also present, 20) Clavelina lepadiformis (light bulb sea squirt), 21) pink sea squirt,22) small dogfish/shark (likely Scyliorhinus), 23) Leucoraja naevus (Cuckoo ray), 24) Megrim Lepidorhomus whiffiagonis, 25) Lophius piscatorius (monkfish), 26) Helicolenus sp.? (Norway redfish), 27) Molva molva (ling), 28) Pollachius sp.


For further information please contact:
Dr Andrew Gates , SERPENT Project, National Oceanography Centre, Southampton, UK.

or Dr Daniel Jones , SERPENT Project, National Oceanography Centre, Southampton, UK

Lancaster location map Dr Andrew Gates

About Andy
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T: +44 (0)2380 596363