ExxonMobil strikes more oil in Guyana with eighth well
By Kaieter News
Petroleumworld 06 21 2018
Exxon Mobil Corporation revealed yesterday that it has discovered more oil with its eighth well in the Stabroek Block. In a statement, the company said that the Longtail-1 well creates the potential for additional resource development.
Speaking further on the matter, ExxonMobil stated that it encountered approximately 256 feet (78 metres) of high-quality, oil-bearing sandstone reservoir. It said that the well was safely drilled to 18,057 feet (5,504 metres) in depth in 6,365 feet (1,940 metres) of water.
“The Longtail-1 discovery is in close proximity to the Turbot discovery southeast of the Liza field,” said Steve Greenlee, President of ExxonMobil Exploration Company.
The official added, “Longtail-1 drilling results are under evaluation. However, the combined estimated recoverable resources of Turbot and Longtail-1 will exceed 500 million barrels of oil equivalent, and will contribute to the evaluation of development options in this eastern portion of the block.”
Further to this, the company said that it is currently making plans to add a second exploration vessel offshore Guyana in addition to the Stena Carron drillship, bringing its total number of drillships in the Stabroek Block to three. The new vessel will operate parallel to the Stena Carron to explore the block’s numerous high-value prospects.
ExxonMobil said, too, that the Noble Bob Douglas is completing initial stages of development drilling for Liza Phase One, for which ExxonMobil announced a funding decision in 2017. The company said that Phase One will consist of 17 wells connected to a floating production, storage and offloading (FPSO) vessel designed to produce up to 120,000 barrels of oil per day. It noted that Phase Two concepts are similar to Phase One and involve a second FPSO with production capacity of 220,000 barrels per day.
A third development, Payara, is planned to follow Liza Phase 2.
The Stabroek Block is 6.6 million acres (26,800 square kilometres). Esso Exploration and Production Guyana Limited is the main operator and holds 45 percent interest in the Block. Hess Guyana Exploration Ltd. holds 30 percent interest and CNOOC Nexen Petroleum Guyana Limited holds 25 percent interest.
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