Page 95: of Offshore Engineer Magazine (Sep/Oct 2014)

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Mediterranean

The old guard Eni, through its Tunisian

One of Tunisia’s oldest offshore devel- subsidiary Eni Tunisia BV, opments is the Ashtart feld, discovered operates the Maamoura in 1971 and developed by the Elf- feld with 49% interest

Aquitaine Oil Co. Ashtart is located in along with partner ETAP the Gulf of Gabes, 80km southeast of the (51%). The Maamoura port city of Sfax.

feld, which began produc- Currently, Serept (Society of Research tion in 2009, is located and Exploitation of Petroleum in 19km off the Gulf of

Tunisia) – a joint venture between 50:50

Hammamet in 50km of partners ETAP and Austria’s OMV – water. ETAP lists the feld’s recoverable resources at operates the feld development.

The Ashtart feld is the second-largest 6.4MMcu m of oil and th feld in Tunisia, and celebrated its 40 985MMcu m of gas.

year in production this May. According

Good neighbors to Serept, Ashtart has a single, 70m-thick, porous limestone reservoir, Tunisia is no stranger

This map depicts the Mahdia permit area near the

El Gueria, that is heavily faulted. to border disputes, like

Tunisia-Italy maritime border. Image from Circle Oil.

The downhole temperature is 140ºC and most countries in the the pressure ranges between 200-250bar. Mediterranean and else-

Serept says most wells have a depth of where. However, the country has enjoyed line between Malta and the Italian approximately 3000m. ETAP lists recov- stable relations with its European Pelagie Islands. It further created a 13nm erable reserves at 12.5MMbbl. neighbor Italy, with which it shares semi-enclave around the Italian island

The project underwent revitalization the aforementioned Sicily Channel. of Pantelleria. Another semi-exclave efforts from 2009 to 2013 to increase Tunisia and Italy signed the Italy–Tunisia was created comprising overlapping recovery using artifcial gas lift, as well Delimitation Agreement 43 years ago on 13nm arcs around the Italian islands of as increasing power generation capac- 20 August 1971, and it was later ratifed Linosa and Lampedusa that also inter- ity to meet ESP pump needs, and also in 1978. sect a 12nm zone around Lampione. The modernizing management and control The treaty states that the boundary boundary’s westernmost point forms a systems. terminates just short of an equidistant maritime tripoint with Algeria.

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