Relying on explicit knowledge sharing and old-style training courses are simply no longer effective knowledge management tools. Therefore, understanding the role of tacit knowledge retention as part of knowledge management is becoming increasingly more important to fulfil the organisation strategic goals. To attain the aim, a theoretical study on the oil and gas industry has been provided.  Positive attitude of individual reflected in the willingness to share and transfer knowledge does improve tacit knowledge retention and fulfil the strategic goals such as gaining competitive advantage and improve the performance, productivity and employee’s effectiveness.