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Eni makes oil discovery offshore Ghana

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Oilfield Technology,


Eni has announced an oil discovery on the Eban exploration prospect in CTP Block 4, offshore Ghana. The Eban - 1X well is the second well drilled in CTP Block 4, following the Akoma discovery. Preliminary estimates place the potential of the Eban–Akoma complex between 500 and 700 million boe in place.

The Eban - 1X well is located approximately 50 km off the coast and about 8 km northwest of the Sankofa Hub, where the John Agyekum Kufuor FPSO is located. It was drilled by the Saipem 10000 drillship in a water depth of 545 m and reached a total depth of 4179 m (measured depth). Eban - 1X proved a single light oil column of approximately 80 m in a thick sandstone reservoir interval of Cenomanian age with hydrocarbons encountered down to 3949 m (true vertical depth).

The new discovery has been assessed following comprehensive analysis of extensive 3D seismic datasets and well data acquisition including pressure measurements, fluid sampling and intelligent formation testing. The acquired pressure and fluid data (oil density and Gas-to-Oil Ratio) and reservoir properties are consistent with the previous discovery of Akoma and the nearby Sankofa field. The production testing data show a well deliverability potential estimated at 5000 bpd, similar to the wells already in production from the Sankofa field.

The estimated hydrocarbon in place between the Sankofa field and the Eban-Akoma complex is now in excess of 1.1 billion boe and further oil in place upside could be confirmed with an additional appraisal well.

Due to its proximity to existing infrastructures, the new discovery can be fast-tracked to production with a subsea tie-in to the John Agyekum Kufuor FPSO, with the aim to extend its production plateau and increase production. The Eban discovery is a testimony to the success of the infrastructure-led exploration strategy that Eni is carrying out in its core assets worldwide.

The Joint Venture of CTP Block 4 is operated by Eni (42.469%), on behalf of partners Vitol (33.975%), GNPC (10%), Woodfields (9.556%), GNPC Explorco (4%).


Read the latest issue of Oilfield Technology in full for free: Issue 2 2021

Oilfield Technology’s second issue of 2021 starts with a report from KPMG that examines the outlook for the Scottish oil and gas sector. The rest of the issue is dedicated to articles covering the offshore supply chain industry, offshore asset integrity, expandable liner technology, advances in drilling, data security, flow control, EOR and methane emissions.

Exclusive contributions come from Tata Steel, EM&I Group, 3X Engineering, Enventure Global Technology, Varel Energy Solutions, Adrilltech, Tendeka and more.

Read the article online at: https://www.oilfieldtechnology.com/exploration/07072021/eni-makes-oil-discovery-offshore-ghana/

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