Rockhopper Oil, the Falkland Islands focused exploration company, is drilling the final well of its current campaign.The news that the well was spudded at 8.15am this morning saw Rockhopper's share price rise 1%.Rockhopper is being carefully monitored by investors following its discovery in May 2010 of oil in the so called Sea Lion Basin off the North Coast of the Falklands.The company says initial work on the well will take around 20 days. If a "significant hydrocarbon reservoir" is found Rockhopper will issue a new update.At 2.44pm Rockhopper's share price was 235.25p. In the year to date the company's stock has fallen 36%.BS