Kosmos Energy said today that the drilling of its Lamantin-1 exploration well of Mauritania has ended in failure.
The Dallas-based company said: “As interpreted from logs and samples collected during drilling and wireline operations, our evaluation suggests the Campanian reservoir objective was water bearing with some residual hydrocarbons.
“We believe the prospect failed due to a lack of trap, related to a combination of up-dip sand pinch-out and top/base seal effectiveness.
“The well will now be plugged and abandoned and the well results integrated into the ongoing evaluation of the significant remaining prospectivity in Kosmos’ large acreage position.”
Andrew Inglis, chief executive, said: “We are still in the early stages of exploring this newly emerging basin and our forward drilling program remains unchanged given the independent nature of the prospects.
“The drillship will now proceed as planned to test the independent Requin Tigre prospect offshore Senegal, which will be followed by two high-impact oil tests offshore Suriname in mid-2018.”
The Requin Tigre prospect is a Cenomanian/Albian base of slope fan supplied from the proven Senegal River system, and is located approximately 150 kilometers offshore, 60 kilometers west of the Tortue discovery.
It is estimated that drilling will take about 60 days.