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TURKEY

Mediterranean

  

Despite concerted attempts to increase onshore oil and gas production since the 1970s, Turkey has struggled to maintain output from its geologically complex fields. 

 

There are four areas of offshore Turkey that are intermittently explored, namely the Black Sea, the Sea of Marmara between the Black Sea and the Aegean Sea, the Aegean Sea itself and the Mediterranean Sea.

 

At the end of 2003 TPAO, the Turkish National Oil Company, stated it was planning new exploration programmes in all these areas. However, most of the potential in the Aegean Sea cannot be fully examined due to conflicting Greek claims over the area.

 

Whilst gas production is very low relative to demand most of Turkey’s non-associated gas comes from offshore while Turkey’s onshore associated gas is re-injected into oilfields as part of an EOR programme. The country's largest non-associated gas field is Marmara Kuzey (North Marmara), located offshore in the Thrace-Gallipoli Basin of the Sea of Marmara. It went onstream in May 1997 from 5 producing wells and will soon double as a gas storage reservoir during periods of lower demand.

 

There are also a number of small, undeveloped gas discoveries in Turkish waters. In the western Black Sea in 2004 the Ayazli-1 exploration well was drilled in water depths of 76m, 200 km east of Istanbul and 8km offshore. Six gas fields and prospects have been identified in the region and the Ayazli-1 well was the first offshore well drilled in Turkish waters of the Black Sea in 5 years.

 

The primary objective was a Tertiary gas sand located in the nearby Akcakoca-1 well drilled by TPAO in 1975. Testing of multiple zones flowed around 0.42 mm cubic metres of gas per day, from the Eocene Kusuri formation and the filed has now been successfully re-drilled. In 2001 TPAO also announced that it had found gas in the Mersin and Iskenderun Bays in the Mediterranean Sea.

 

                                                                                          

 

CAPITAL

 Ankara

 

Population

 70.4 million

 

Onshore area

(000's sq kms)

780.6

 

Offshore area

(000's sq kms)

NEW

 

OIL PEAK YEAR

1991

A low-priced and up-to-date oil and gas production and consumption forecast report on this country can be commissioned, including all relevant charts. Contact us for price and contents list.

 

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(All photographs in this website are © 2008 Dr Michael R. Smith).