Chief Executive of Rosneft Igor Sechin attends a meeting of Russian President Vladimir Putin with Bavarian State Prime Minister Markus Soeder in Moscow, Russia January 29, 2020. REUTERS/Maxim Shemetov/Pool

Russian Minister of Economic Development Maksim Reshetnikov and Chief Executive of Rosneft Igor Sechin attend a meeting of Russian President Vladimir Putin with Bavarian State Prime Minister Markus Soeder in Moscow, Russia January 29, 2020. REUTERS/Maxim Shemetov/Pool

Kremlin spokesman Dmitry Peskov, left, Rosneft chief Igor Sechin, center, and Russian Deputy Finance Minister Sergei Storchak wait to attend Russian President Vladimir Putin and Indian Prime Minister Narendra Modi's talks on the sideline of the 11th edition of the BRICS Summit, in Brasilia, Brazil November 13, 2019. Pavel Golovkin/Pool via REUTERS

Russian President Vladimir Putin and Indian Prime Minister Narendra Modi visit Zvezda shipyard, accompanied by Rosneft Russian oil giant chief Igor Sechin, ahead of the Eastern Economic Forum in Vladivostok, Russia, September 4, 2019. Alexander Nemenov/Pool via REUTERS TPX IMAGES OF THE DAY

Reuters analysis of Rosneft flights to holiday destinations since January 2015

A Rosneft-operated Bombardier 6000 aircraft - with tail number M-YOIL - carrying a passenger, believed to be Chief Executive of Rosneft Igor Sechin, takes off at Palma de Mallorca airport, Spain August 6, 2018. Picture taken August 6, 2018. REUTERS/Staff

A view shows a passenger, believed to be Chief Executive of Rosneft Igor Sechin, boarding a Rosneft-operated Bombardier 6000 aircraft - with tail number M-YOIL - at Palma de Mallorca airport, Spain August 6, 2018. Picture taken August 6, 2018. REUTERS/Staff

A view shows a passenger, believed to be Chief Executive of Rosneft Igor Sechin, boarding a Rosneft-operated Bombardier 6000 aircraft - with tail number M-YOIL - at Palma de Mallorca airport, Spain August 6, 2018. Picture taken August 6, 2018. REUTERS/Staff

A view shows a Rosneft-operated Bombardier 6000 aircraft - with tail number M-YOIL - carrying a passenger, believed to be Chief Executive of Rosneft Igor Sechin, at Palma de Mallorca airport, Spain August 6, 2018. Picture taken August 6, 2018. REUTERS/Staff

A Rosneft-operated Bombardier 6000 aircraft - with tail number M-YOIL - carrying a passenger, believed to be Chief Executive of Rosneft Igor Sechin, flies after taking off at Palma de Mallorca airport, Spain August 6, 2018. Picture taken August 6, 2018. REUTERS/Staff

Russian President Vladimir Putin (L) greets Chief Executive of Rosneft Igor Sechin during a Russian-Chinese energy and business forum on the sidelines of the St. Petersburg International Economic Forum (SPIEF), Russia June 7, 2019. REUTERS/Maxim Shemetov

Chief Executive of Rosneft Igor Sechin (C) and Russian Energy Minister Alexander Novak (R) attend a Russian-Chinese business forum on the sidelines of the St. Petersburg International Economic Forum (SPIEF), Russia June 7, 2019. REUTERS/Maxim Shemetov

Chief Executive of Rosneft Igor Sechin (L) and Group Chief Executive of BP Robert Dudley attend a session of the St. Petersburg International Economic Forum (SPIEF), Russia June 6, 2019. REUTERS/Maxim Shemetov

Rosneft spokesman Mikhail Leontyev attends a session of the St. Petersburg International Economic Forum (SPIEF), Russia June 6, 2019. REUTERS/Maxim Shemetov

(L-R) Russian Energy Minister Alexander Novak, Russian Deputy Prime Minister Dmitry Kozak and Chief Executive of Rosneft Igor Sechin attend a session of the St. Petersburg International Economic Forum (SPIEF), Russia June 6, 2019. REUTERS/Maxim Shemetov

Minister of Finance of Qatar H.E. Ali Shareef Al-Emadi (L) and Chief Executive of Rosneft Igor Sechin (R) attend a session of the St. Petersburg International Economic Forum (SPIEF), Russia June 6, 2019. REUTERS/Maxim Shemetov

Chief Executive of Rosneft Igor Sechin attends the St. Petersburg International Economic Forum (SPIEF), Russia June 6, 2019. REUTERS/Maxim Shemetov

Chief Executive of Rosneft Igor Sechin (L) and Group Chief Executive of BP Robert Dudley attend a session of the St. Petersburg International Economic Forum (SPIEF), Russia June 6, 2019. REUTERS/Maxim Shemetov

Chief Executive of Rosneft Igor Sechin attends a session of the St. Petersburg International Economic Forum (SPIEF), Russia June 6, 2019. REUTERS/Maxim Shemetov

Chief Executive of Rosneft Igor Sechin attends a session of the St. Petersburg International Economic Forum (SPIEF), Russia June 6, 2019. REUTERS/Maxim Shemetov

Russian Energy Minister Alexander Novak (R) and Chief Executive of Rosneft Igor Sechin attend a meeting of Russian President Vladimir Putin with Vietnamese Prime Minister Nguyen Xuan Phuc at the Kremlin in Moscow, Russia May 22, 2019. REUTERS/Evgenia Novozhenina

Russian Energy Minister Alexander Novak (R) and Chief Executive of Rosneft Igor Sechin attend a meeting of Russian President Vladimir Putin with Vietnamese Prime Minister Nguyen Xuan Phuc at the Kremlin in Moscow, Russia May 22, 2019. REUTERS/Evgenia Novozhenina

Russian President Vladimir Putin's aide Yuri Ushakov speaks with Igor Sechin, Chief Executive Officer of Rosneft, during the second Belt and Road Forum in Beijing, China April 26, 2019. Sergei Ilnitsky/Pool via REUTERS

Russian President Vladimir Putin's aide Yuri Ushakov walks with Igor Sechin, Chief Executive Officer of Rosneft, during the second Belt and Road Forum in Beijing, China April 26, 2019. Sergei Ilnitsky/Pool via REUTERS

Russian President Vladimir Putin speaks with Igor Sechin, Chief Executive Officer of Rosneft, during the second Belt and Road Forum in Beijing, China April 26, 2019. Sergei Ilnitsky/Pool via REUTERS

Chief Executive of Rosneft Igor Sechin (L) speaks with Russian Central Bank Governor Elvira Nabiullina before a meeting of Russian President Vladimir Putin with businessmen and officials at the Kremlin in Moscow, Russia March 20, 2019. Alexander Nemenov/Pool via REUTERS

Chief Executive of Rosneft Igor Sechin waits before a meeting of Russian President Vladimir Putin with businessmen and officials at the Kremlin in Moscow, Russia March 20, 2019. Alexander Nemenov/Pool via REUTERS

Chief Executive of Rosneft Igor Sechin waits before a meeting of Russian President Vladimir Putin with businessmen and officials at the Kremlin in Moscow, Russia March 20, 2019. Alexander Nemenov/Pool via REUTERS

A general view shows the Ropsha Palace, a ruined palace once used by tsars, outside Saint Petersburg, Russia February 19, 2019. The sign on reads "Building in disrepair". REUTERS/Anton Vaganov

A general view shows the Ropsha Palace, a ruined palace once used by tsars, outside Saint Petersburg, Russia February 19, 2019. REUTERS/Anton Vaganov

A general view shows the Ropsha Palace, a ruined palace once used by tsars, outside Saint Petersburg, Russia February 19, 2019. REUTERS/Anton Vaganov

A general view shows the Ropsha Palace, a ruined palace once used by tsars, outside Saint Petersburg, Russia February 19, 2019. REUTERS/Anton Vaganov

Rosneft Chief Executive Igor Sechin attends a meeting of Russian President Vladimir Putin and Venezuelan President Nicolas Maduro at the Novo-Ogaryovo state residence outside Moscow, Russia December 5, 2018. REUTERS/Maxim Shemetov

Christmas and New Year decorations depicting a Russia's Rosneft oil company logo are pictured at the "Biryusinka" toy factory, which has been producing decorations and toys for the festive season since 1942, in Krasnoyarsk, Russia November 29, 2018. REUTERS/Ilya Naymushin

Rosneft Chief Executive Igor Sechin attends a meeting of Russian President Vladimir Putin with Italian Prime Minister Giuseppe Conte at the Kremlin in Moscow, Russia October 24, 2018. Sergei Chirikov/Pool via REUTERS

Rosneft Chief Executive Igor Sechin, Pietro Fiorentini Managing Director Paolo Nardi, Italian Prime Minister Giuseppe Conte and Russian President Vladimir Putin attend a signing ceremony at the Kremlin in Moscow, Russia October 24, 2018. Sergei Chirikov/Pool via REUTERS

(R-L) Rosneft Chief Executive Igor Sechin, Chairman of the Board of China National Petroleum Corporation Wang Yilin and member of board of directors of SMP Bank Arkady Rotenberg attend a session of the Eastern Economic Forum in Vladivostok, Russia September 12, 2018. Alexander Ryumin/TASS Host Photo Agency/Pool via REUTERS

Rosneft Chief Executive Igor Sechin (R) and Chairman of the Board of China National Petroleum Corporation Wang Yilin attend a session of the Eastern Economic Forum in Vladivostok, Russia September 12, 2018. Sergei Bobylyov/TASS Host Photo Agency/Pool via REUTERS

Rosneft Chief Executive Igor Sechin and Boris Titov, Russia's Presidential Commissioner for Entrepreneurs' Rights, attend the Russian-Chinese talks on the sidelines of the Eastern Economic Forum in Vladivostok, Russia September 11, 2018. Alexander Ryumin/TASS Host Photo Agency/Pool via REUTERS

Rosneft Chief Executive Igor Sechin and Leonid Mikhelson, chief executive and co-owner of Novatek, attend the Russian-Chinese talks on the sidelines of the Eastern Economic Forum in Vladivostok, Russia September 11, 2018. Alexander Ryumin/TASS Host Photo Agency/Pool via REUTERS

A view shows railway tanks at the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 24, 2018. Picture taken July 24, 2018. REUTERS/Ilya Naymushin

A general view shows the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 24, 2018. Picture taken July 24, 2018. REUTERS/Ilya Naymushin

A general view shows the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 24, 2018. Picture taken July 24, 2018. REUTERS/Ilya Naymushin

A general view shows the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 24, 2018. Picture taken July 24, 2018. REUTERS/Ilya Naymushin

Employees leave after a working shift at the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

Employees leave after a working shift at the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

An employee rides a bicycle at the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

An employee walks past fuel tanks at the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

A view shows packs with granulated sulfur at the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

An employee wears a helmet with the logo of Rosneft at the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

An employee rides a bicycle at the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

An employee works at a gasoline quality inspection laboratory of the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

An employee checks the octane rating of gasoline at a laboratory of quality inspection at the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

An employee seals up railway tanks, which were filled with gasoline, at the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

An employee controls the process of filling railway tanks with gasoline at the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

An employee demonstrates granulated sulfur at the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

A view shows the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

A view shows the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

A view shows the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin

Specialists examine equipment during a daily control detour at the Achinsk refinery, which was acquired by Rosneft company in 2007 and currently processes West Siberian crude delivered via the Transneft pipeline system, in Krasnoyarsk Region, Russia July 23, 2018. Picture taken July 23, 2018. REUTERS/Ilya Naymushin