Scholarly record

MOST PROMISING REGIONS FOR THE STUDY AND IMPLEMENTATION OF CO2 GEOLOGICAL STORAGE IN ROMANIA

Alexandra-Constanta Dudu, Constantin-Stefan Sava, Sorin Anghel, Corina Avram

Abstract

In more than ten years of research in the field of carbon capture and storage (CCS) in Romania, several regions have been highlighted for their potential to contribute to the implementation of the technology in the country. Their delimitation has been made around large industrial stationary sources where promising storage and utilization options were available, considering favorable transport routes and small transport distances. The most promising and most studied regions for Romania are Oltenia and Galati. Oltenia region was subject of study for the implementation of CCS from 2010. Two potential storage sites (deep saline aquifers) have been identified then as storage solutions for the CO2 to be captured from Turceni Power Plant. The feasibility study was done in the frame of GETICA CCS full chain demonstration project, which was stalled indefinitely due to the lack of funding. Since then, several other studies have been made as part of European funded research projects. The emissions of Oltenia region were 12.6 Mt CO2 in 2019 (verified by national environmental authorities), representing almost 35% from the total emissions per country. The largest emissions come from the power sector, especially from the four coal-fired power plants owned by Oltenia Energy Complex. For the industrial emitters, several storage options have been identified, including saline aquifers (sandstone reservoirs in the Sarmatian formation of Getic Depression), depleted gas fields (Cazanesti and hydrocarbon fields where CO2 can be injected and stored for the enhancement of oil recovery ? CO2-EOR (Bradesti, Samnic-Ghercesti, Babeni, Balteni, Bibesti, Bulbuceni). For the Galati region, the level of CO2 emissions is significantly lower than the one in Oltenia. In 2019, the total verified emissions for the region were approximately 4.5 Mt, only 12% from the total industrial emissions of the country. The largest emitters are Liberty Steel Galati (4.2 Mt) from the iron and steel industry, SC ALUM SA TULCEA (0.3 Mt) from the non-iron metals industry and SC ENET SA Focsani (0.05 Mt) from the power sector. Due to the proximity of the Danube and the easy access to the Black Sea, storage possibilities include both onshore and offshore sites. For the onshore, only depleted hydrocarbon fields and CO2-EOR options (Plopu, Oprisenesti, Bordei Verde Est, Liscoteanca, Jugureanu ? Odaieni) have been identified. From a geological point of view, the identified reservoirs are located in the Focsani Trough (Sarmatian, Meotian and Pontian formations) and North Dobrogea Promontory (Sarmatian formation). The offshore storage options, located in the Histria Depression (western Black Sea Basin) include CO2-EOR possibilities (the oil fields Lebada East, Lebada West, Sinoe, Pescarus) and deep saline aquifers (Iris, Venus, Tomis, Lotus). The reservoir of interest for most of the offshore storage solutions (except Venus that has a good Eocene reservoir) belong to Albian formation.

Publication Impact Profile

• Citations
• CrossRef - Citation Indexes: 2
• Scopus - Citation Indexes: 2

• Captures
• Mendeley - Readers: 7

PLUMX see details

DOI resolver: doi.org/10.5593/sgem2020/4.1/s19.056

Publication details

Back to publication list