The means by which exploration, drilling, petroleum engineering and production interface within an oil company varies between companies. In some cases, these specialisms form distinct departments within the organisation, whereas in others, the structure evolves from a limited number of departments and therefore would involve some combination of specialisms, such as exploration and petroleum engineering or well services and production.
A typical structure is indicated in Figure 2 which shows the existence of five separate departments within the structure. In this particular example, these departments are
Operating Company Structure
Exploration which includes Geology/geophysics; Drilling which includes Drilling Engineering and Drilling Operations; Petroleum Engineering; Well Services; and Production which comprises Maintenance, Operations and Planning. It can be seen that the range of disciplines involved in petroleum engineering is quite extensive and in many situations, this broad range of capabilities is used to co-ordinate across the time span of the exploration, development and production phases.
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