polito.it
Politecnico di Torino (logo)

Assessment and Challenges of CO2 Injection in a Depleted Reservoir and Interactions With The Design of a Platform Under Conversion

Ahmed Ismail Mohamed Elgohari Zeir

Assessment and Challenges of CO2 Injection in a Depleted Reservoir and Interactions With The Design of a Platform Under Conversion.

Rel. Andrea Carpignano, Raffaella Gerboni, Anna Chiara Uggenti. Politecnico di Torino, Corso di laurea magistrale in Petroleum And Mining Engineering (Ingegneria Del Petrolio E Mineraria), 2022

[img]
Preview
PDF (Tesi_di_laurea) - Tesi
Licenza: Creative Commons Attribution Non-commercial No Derivatives.

Download (2MB) | Preview
Abstract:

Re-using the depleted reservoirs for CO2 storage offers advantages over saline aquifers because the geological characteristics required for CO2 storage have been pre-determined with high accuracy throughout the reservoir production life, plus a proof of secure containment. Additionally, re-using the production facilities and offshore platforms for the injection of CO2 would be economically and environmentally winning fact, which is the case in this study. This study, based on intensive bibliographic research, gave support to the MISE project regarding the challenges and concerns of CO2 storage in depleted oil and gas reservoirs and selecting the optimum solution for converting the offshore platform GREEN1 in the Adriatic Sea to be re-used instead of decommissioning. It also highlights the interactions between the reservoir parameters and the design of surface facilities. Accordingly, the design of all the upstream components, i.e., transportation pipeline diameter, compression capacity, and maximum allowable pressure is mainly based on the rock and fluid interactions in the reservoir porous media. Nevertheless, storage capacity has a vital role on the candidate sites screening process, accompanied by an economic feasibility study. From here, CO2 storage capacity of ‘Porto Corsini Mare’ reservoir , as a candidate site for GREEN1, is estimated based on returning the depleted reservoir to its initial pressure before production. Furthermore, a methodology for comparing and selecting the suitable reservoirs for CO2 geo-storage is introduced, for the purpose of identifying the optimum storage site for GREEN1 platform. This screening criterion is divided to three main categories: storage capacity, injectivity, and containment, in the shape of logic flow charts with the relevant parameters to each category, in order to help the analysts and decision makers to identify and compare candidate sites for CO2 storage, so that they are easily able to exclude the unsuitable reservoirs and proceed with the right candidates for economic and risk assessment studies.

Relatori: Andrea Carpignano, Raffaella Gerboni, Anna Chiara Uggenti
Anno accademico: 2021/22
Tipo di pubblicazione: Elettronica
Numero di pagine: 63
Soggetti:
Corso di laurea: Corso di laurea magistrale in Petroleum And Mining Engineering (Ingegneria Del Petrolio E Mineraria)
Classe di laurea: Nuovo ordinamento > Laurea magistrale > LM-35 - INGEGNERIA PER L'AMBIENTE E IL TERRITORIO
Aziende collaboratrici: NON SPECIFICATO
URI: http://webthesis.biblio.polito.it/id/eprint/23047
Modifica (riservato agli operatori) Modifica (riservato agli operatori)