Abu Dhabi Company for Onshore Oil Operations (ADCO) has recently commissioned the first ever CO2-EOR pilot in the Middle East in its Rumaitha field. The main objective of the pilot project is to evaluate the feasibility of CO2 injection as a potential enhanced recovery technique. If the pilot is successful, ADCO will use CO2 to replace the hydrocarbon gas currently being injected in the field.

In order to assess the impact of large scale CO2 injection on the field’s facilities, an engineering study was conducted.

This paper discusses the methodology and main features of this study. Topics covered include: description of the field facilities; technologies for the separation CO2 from associated gas, key design parameters, study methodology, impact on existing facilities and the study findings.

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