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Exploration

        Geological exploration in depth:


2012 Annual Report (p.17-23)

Adobe PDF version (1.34 Mb)

 

LUKOIL carries out exploration work in 11 countries around the world. LUKOIL is investing in prospective regions both in Russia and abroad, preparing the raw material base for production and ensuring that levels of production increase rapidly. The Company uses modern technology in its exploration work, which ensures growing efficiency of exploration. The success rate in prospecting and exploration drilling by the Group is about 70%.


The Company substantially increased volumes of 3D seismic work (by 51.3% to 6,523 km2) in 2012 compared with 2011, in order to identify and detail structures, and to prepare for drilling of prospecting and exploration wells at promising sites. The volume of 2D seismic was 3,248 km.


Vertical seismic profiling, which details the geological structure around a well that has been drilled, was carried out at 15 wells in 2012. Exploration drilling increased by 26.5% to 201 thousand meters in 2012 and a total of 52 exploration wells were completed, of which 36 were productive.


Five new fields were discovered, of which two oil fields in Perm Region (Provorovskoye and Sukhareva), one oil field in Tatarstan (Zapadno-Bimskoye), one oil field in Volgograd Region (Dobroye) and one gas condensate field in Uzbekistan (Shurdarye). A total of 17 hydrocarbon accumulations were discovered at already known fields.


Most of the increase was from further exploration of fields in the Northern Caspian and Komi Republic. Organic reserve growth compensated 82% of hydrocarbon production. Most of the organic growth of proved reserves was in Russia (613 million boe or 92% of the total).


Largest prospecting projects in 2012


Prospecting and exploration work in the Caspian Sea


The Northern Caspian will be a key region for growth of oil and gas production by the Company in the medium term, and LUKOIL is therefore devoting particular attention to the development of resource potential in the region. Increase of the Company's proved reserves to international standards in the region during 2012, thanks to additional exploration, was 109 million barrels (+14.9% to 2011).


Three wells were completed in the Caspian Sea and all of them
were productive, so the success rate in exploration drilling was 100%.


A first prospecting well was drilled at the Zapadno-Sarmatskaya
structure and confirmed gas presence in Titonian sediments, which have already been found to be productive at the Yu. Kuvykina (Sarmatskoye) field. Drilling work began on Zapadno-Sarmatskaya well 2. A total 89 km2 of 3D seismic surveying was carried out at the Sarmatskaya area, and 500 km of 2D survey work was completed at the Severny area for detailing of the Yuzhnaya and Yuzhno-Shirotnaya structures and to search for a zone of possible development of non-anticlinal features to the south of the Yu. Korchagin and V. Filanovsky fields.


Prospecting work in the Denisovskaya Depression (Komi Republic)


A total 23.4 thousand meters of prospecting and exploration
drilling was carried out in the Komi Republic and five wells were completed, of which four were productive (80% drilling success rate). Exploration wells 2 and 4 at the Vostochno-Lambeishorskoye field were completed and transferred to the field operator. They are now operating with daily flow rates of about 600 cubic meters.


Prospecting drilling in the Baltic Sea


LUKOIL carried out exploration work both onshore in Kaliningrad
Region and on the Baltic Sea shelf during 2012. Total drilling was 6 thousand meters and 100 km of 2D seismic work was carried out at the Yuzhny license area. Drilling of prospecting well 1 in the Baltic Sea was completed (the distance drilled in 2012 was 4 thousand meters). The well is now being tested. A first prospecting well was also drilled at the Yuzhno-Volodarovskaya structure (1,930 meters drilled).


Prospecting work in Uzbekistan


At the Kandym block wells Parsankul-9 and Parsankul-10 were
completed and testing gave daily gas inflows of 90 thousand cubic meters and 196 thousand cubic meters, respectively. Preparations were made for 3D seismic data acquisition and 450 km2 of 3D work was carried out. The geological model of the Parsankul field was updated in 2012 and rapid assessment of C1 hydrocarbon reserve increment from the new wells was made.


Drilling work was completed in the South-West Gissar project
and well Shurdarye-2 was tested. Testing of Upper Carbonaceous sediments gave daily commercial inflow of gas and condensate at rates of 647 thousand cubic meters and 95 tonnes, respectively, marking discovery of the Shurdarye field.





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