Energy Gas OilNNPC Ltd, Schlumberger sign agreement to boost upstream operationsEditorMay 27, 2024May 27, 2024 by EditorMay 27, 2024May 27, 20240283 Photo caption: Managing Director, NNPC Energy Services Limited (EnServ), Sophia Mbakwe (5th from right) and Chief Executive Officer, Schlumberger (SLB), Mr. Olivier Le Peuch (4th