US primarily based Kosmos Energy introduced that the Orca-1 exploration effectively has made a serious gasoline discovery offshore Mauritania within the BirAllah space. The outcomes proceed the 100 p.c success charge from 9 wells concentrating on the inboard gasoline development in Mauritania/Senegal.
The Orca-1 effectively, which focused a beforehand untested Albian play, exceeded pre-drill expectations encountering 36 meters of internet gasoline pay in wonderful high quality reservoirs. In addition, the effectively prolonged the Cenomanian play fairway by confirming 11 meters of internet gasoline pay in a down-structure place relative to the unique Marsouin-1 discovery effectively, which was drilled on the crest of the anticline. The location of Orca-1, roughly 7.5 kilometers from the crest of the anticline, proved each the structural and stratigraphic entice of the Orca prospect, which we estimate has a imply gasoline initially in place (GIIP) of 13 TCF.
In complete, we imagine that Orca-1 and Marsouin-1 have de-risked as much as 50 TCF of GIIP from the Cenomanian and Albian performs within the BirAllah space, greater than enough useful resource to assist a world-scale LNG challenge. In addition, a deeper, untested Aptian play has additionally been recognized inside the space and surrounding constructions.
The Orca-1 end result demonstrates extremely calibrated AVO, which along with our exploration observe file gives additional confidence in our skill to foretell the presence of high-quality gasoline charged Cenomanian and Albian reservoirs inside the 400-kilometer lengthy inboard Mauritania/Senegal gasoline basin.
Commenting on the outcomes of the Orca-1 effectively, Chairman and Chief Executive Officer Andrew G. Inglis stated: “The Orca-1 effectively concludes a really robust yr for exploration and appraisal in Mauritania and Senegal. Orca-1, which we imagine is the biggest deepwater hydrocarbon discovery on the planet to date this yr, additional demonstrates the world-scale high quality of the Mauritania gasoline basin. With enough useful resource in place on the BirAllah hub, Kosmos seems ahead to working with the Government of Mauritania and its companions to convey advantages to the individuals of Mauritania by means of the event of price aggressive, low carbon depth tasks.”
Following immediately’s optimistic drilling end result and because of the scale and materiality of the Orca-1 discovery, Kosmos is extending the timeline of its Mauritania/Senegal promote down course of into 2020, giving potential bidders extra time to investigate the brand new knowledge.
Located roughly 125 kilometers offshore Mauritania, the Orca-1 effectively was drilled in roughly 2,510 meters of water to a complete measured depth of round 5,266 meters.
(Source and picture: Kosmos Energy/Valaris DS-12 drillship)


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