The company added that weather forecasts indicate the possibility of moving the rig later this week. What is more, Byron’s drilling contract does not begin until the rig is under tow to SM71.

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Particularly, the SM71 F4 well is designed to test the highly productive D5 Sand outboard of the main D5 field area on SM71 where the F1 and F3 wells have combined to produce 1.83 million barrels of oil and 2.6 billion cubic feet of gas since production began in March of 2018.

If successful, the F4 well would extend and prove up additional reserves in the Upper D5 Sand reservoir.

If the SM71 F4 is not successful, the upper portion of the wellbore could be used for the SM71 F5 or another well- costs of which would be partially recouped from other participating parties in the future well.

In March, Diamond Offshore’s semi-submersible drilling rig Ocean GreatWhite was voyaging to the North Sea to work for Siccar Point, leaving Scotland's Kishorn Port.

The Ocean GreatWhite voyaged from Singapore, transmitting through Las Palmas in the Canaries, assisted by the Alp Defender, a large ocean-going offshore supply vessel. It arrived at the port in mid-January 2019.

The contract between the rig and the Siccar Point began in early March and was set to be completed in the mid-July, 2019.