Oil and gas engineering group Plexus Holdings has secured a £3.3m deal with oil group Total E&P Norge.Under the deal, the London-listed company will supply its POS-GRIP wellhead systems, equipment and mudline services for Total's Solaris gas exploration well in the Graben area of the North Sea, offshore Norway.In a statement released on Monday, Plexus said the deal was in line with its expansion strategy and revenues for the contract are scheduled to begin in October."This contract confirms that even during challenging times, operators focus on the best and safest solutions, when conditions demand it," said group chief executive Ben Van Bilderbeek.Plexus shares were up 3.20% to 223.93p at 08:26 on Monday.