Total Turns on the Taps at Jura

Total has achieved first gas from its Jura field on time and on budget. Jura is situated in the Alwyn area, 100% owned and operated by Total, and comes on stream less than a year after development was sanctioned and only 17 months after discovery.

This High Pressure/High Temperature (HP/HT) field with proved and probable reserves of 170 million barrels of oil equivalent (boe) lies in block 3/15 of the UK sector of the Northern North Sea some 440 kilometers (275 miles) northeast of Aberdeen in a water depth of 113 meters. This discovery, exceptional in a mature zone, was made possible by the use of state-of-the-art technology to interpret seismic data and by the desire to maximize the potential of the Group's assets portfolio.

Jura's development represented capital expenditures of around 300 Million dollars. Its production is expected to ramp up to 6,5 million cubic meters of gas per day at plateau. With 6,000 barrels per day of liquids also being produced, this will give a combined total production capacity of around 50,000 boe per day. The ability to link into existing Total infrastructure has been a key factor in the Jura development coming on stream quickly.

A technology-driven development

It has been developed with 2 subsea wells connected via a new 3 kilometer tie-in to the Forvie North subsea manifold, from where gas will flow through an existing pipeline to the Total-operated Alwyn North platform.

Achieving such an ambitious fast-track execution has required a high degree of technological innovation. This includes the use of a 3 kilometer bundle assembly composed of an 8" flowline, umbilicals and two towheads incorporating all the process functions for the well controls. This bundle has been assembled at Wick in the North of Scotland and has been installed on the Jura location using subsea tow technology. The main Jura towhead is the largest ever built for a towed bundle, measuring more than 40 meters and weighting close to 500 tonnes.

The high pressure and wide temperature variations experienced in the two wells (690 bar and -60C to 125C) have also required the development of subsea control equipment specially designed to comply with the highest industrial safety standards, reflecting Total's capability to apply new technologies to extend the productive life of the North Sea in a safe way and with minimum impact on the environment.

Mature areas: optimizing assets' value

Building on the Jura success, a broader exploration campaign has been launched in the area.

With Jura coming on stream, Total confirms its commitment to maintaining a high level of activity and maximizing value creation in mature areas. Jura should allow Alwyn area production potential to maintain at a level close to its maximum capacity of 140,000 boe per day until the beginning of the next decade.


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