Total SA announced on 12 November 2018 that it had signed a new concession agreement with Abu Dhabi National Oil Company (ADNOC), to undertake an unconventional gas exploration program within the new 6,000 sq km onshore Ruwais Diyab Concession. Located in western Abu Dhabi, contiguous to the ADNOC Onshore concession, the contract allows for two exploration and appraisal phases for a period of up to seven years, followed by a 40-year development and production period. Total will operate the exploration phase of this new concession with a 40% interest in partnership with ADNOC holding 60%.     Total      is a longstanding participant in Abu Dhabi's upstream sector, so it has      extensive experience and understanding of the regional geology.   It      believes the Diyab play has multi-trillion cubic feet (TCF) gas potential.      If that potential is proven then it plans to develop unconventional gas in      stages, in line with both growing domestic consumption and export      opportunities.  The      Oxfordian to mid-Kimmeridgian, Diyab Formation has long been regarded as a      source rock for Aptian, Thamama Group reservoirs within onshore and      southern offshore Abu Dhabi. In the west it comprises finely laminated,      organic rich, dark grey peloidal lime mudstones to wackestones. Al Suwaidi      et al (2000) noted that it contains both oil and gas prone kerogens.
ADNOC has assigned Total a 40% stake in the Ruwais Diyab unconventional gas block in which Total will explore, appraise + develop those resources. ADNOC retains a 60% stake in the block.