An operation to improve the flow of oil at the Horse Hill site in Surrey failed to return production volumes quickly to initial peaks.
Two environmental campaigners accused of climbing the rig at an oil site in Surrey appeared in court today.
UKOG has confirmed it has abandoned its Markwells Wood site in the South Downs National Park. It has also given details of plans to drill nine new wells in southern England in the next two years.
Three announcements today on the so-called Gatwick Gusher oil site at Horse Hill near Horley in Surrey.