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An Integrated Approach for Overpressure Prediction in a Wild Cat High Pressure, High Temperature (HPHT) Exploration WellNormal access

Authors: A. Ghosh, A. Chatterjee, S. Bordoloi and A. Mustapha
Event name: First EAGE Workshop on Pore Pressure Prediction
Session: Poster Session 2A
Publication date: 19 March 2017
DOI: 10.3997/2214-4609.201700046
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 951.94Kb )
Price: € 20

Summary:
Pore pressure prediction plays a very important role in well planning as exploration targets are shifting to deeper overpressured reservoirs. Pressure related problems in such zones are mainly associated with narrow operating windows resulting in severe well control incidents, sometimes even leading to early abandonment. Uncertainties in prediction models arise from input data, assumptions used in the workflow, and the complexity of the geological and structural conditions. It is important to analyse these uncertainties and develop an understanding of their sources prior to drilling so that various plans and mitigation systems can be put in place.


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