LONDON, Feb 28 (Reuters) - Production at the North Sea Clairfield has returned to normal output following an unplannedshutdown earlier this week, a spokesman for BP said onThursday.
However, one market source said exports have been delayed bythree to five days after problems at the field over the weekend.
The field produces its own small stream of crude and betweenone and three cargoes approximately are loaded at Sullom Voe inScotland each month.
"The shutdown was caused by a control instrument tripping,"the spokesman said.
BP operates the field in a joint venture (JV) with Conoco, Chevron and Shell.
The giant Clair field is currently undergoing a second phaseof development to extract the estimated 7 billion barrels of oilequivalent reserves.
BP (BP.)
