Conceptual geological modeling as a basis for the development of carbonate deposits in the Middle East region

When working with carbonate deposits, taking into account the geological features of their structure is necessary to understand the change in the dynamic properties of the formation at the beginning of the development. It helps to implement the most effective strategy from the selection of well types and to the identification of promising drilling zones. In this paper, an algorithm is presented to identify the main geological factors that have a significant influence on the approaches to field development and the confidence in production forecasting. An example is considered of the approach of LLC Gazpromneft-NTC to the study and prediction of properties by the example of one of the Middle East fields. This approach to modeling a complex carbonate field made it possible to obtain a conceptual geological and hydrodynamic model of the field. The created dynamic model increases the accuracy of the prognosis of the productivity of new wells and confirms high prognostic abilities following the results of drilling.