Installation of computer software, relating only to modeling, determining and predicting materials, modelling, scheduling and optimising processes, all such data, information, materials and processes relating to and/or used in the exploration, production, refining and trading of crude oil and crude oil products, and process manufacturing industries and logistics relating to these industries; maintenance and technical support services, namely, troubleshooting of computer software problems; installation, maintenance and technical support services, namely, identifying, diagnosing, advising on, correcting, working around, repairing computer software failures, defects, bugs and errors; providing information about the technical analysis of oil fields; Provision of consultancy and advisory services in the fields of oil prospecting, petrochemical engineering, and gas and oil location and surveying all based upon assays featuring detailed analyses and evaluation