Earlier this week, the UK's Daily Telegraph newspaper reported that a vice-president of the British oil giant BP was also at the plant at the time of the attack and was killed - a claim BP on which has also not commented.
But his request was contradicted by Viktor Vekselberg, a TNK-BP director and one of the three tycoons who own AAR.
Washington (CNN) -- A former BP engineer has been charged with destroying 200-plus text messages about the Deepwater Horizon oil spill, including one concluding that the undersea gusher was far worse than reported at the time.
Even more illustrative of the stand-off between BP and the billionaires: After a 2008 police raid on the offices belonging to BP and TNK-BP, BP CEO Bob Dudley was denied a new visa.
FORBES: From Russia With Love: BP Draws Closer To Kremlin With $30B Sale of TNK-BP Stake
Rosneft is buying TNK- BP, which is a vertically integrated oil company co-owned by British oil firm BP and a group of Russian billionaires known as AAR.
While serving as head of TNK-BP, Bob Dudley - now the head of BP as a whole - had his office bugged and raided by the police and met with onerous back-tax demands, legal action and visa problems.
The blast uncorked a BP-owned well off southeastern Louisiana that spewed for 87 days before being temporarily capped.
Oil prices spiked in 2006, when an oil spill in a BP-operated Alaskan field briefly threatened to cut off half of the state's production for months.
In the first testimony from a high-ranking BP executive, Mr McKay stressed that all those involved in the Deepwater Horizon disaster should take some of the blame.
Apache will get control of a BP-operated pipeline, which will give it the ability to open up new fields that it had been sitting on because of insufficient pipeline capacity.
Through related transactions, BP will build up a 19.75% position in Rosneft, which will be taking over TNK-BP, a deal the British oil company expects to be finalized during the first six months of 2013.
FORBES: BP Fighting A Two Front War As Macondo Continues To Bite And Production Drops
However, TNK-BP has been a major success for BP in terms of production.
FORBES: BP Stock Heads To $55 Despite Russian Raids, Gulf Platform Closures
Item five on the agenda will be "approval of related party transactions" - a possible reference to the TNK-BP deal.
An arbitration panel ruled that TNK-BP , BP's Russian venture, which is half owned by Mr Blavatnik and other Russian shareholders, must be included in a proposed project by BP and Rosneft to explore energy fields in the Arctic, if a related share-swap deal between BP and Rosneft is to proceed.
In mid-2006, a BP pipeline burst in Alaska, resulting in a 200, 000-gallon spill which covered at least two acres of tundra.
Even as the ads began to air, a grass-roots campaign dubbed Seize BP planned to kick off a week of demonstrations in more than 50 cities.
Meanwhile brighter prospects loom eastwards as BP lays the groundwork for a second world-scale plant at their BP Zhuhai site in Guangdong Province, China.
Latvala came home 29.4 seconds clear of team-mate Mikko Hirvonen as BP Ford claimed a morale-boosting one-two to finally break Citroen's stranglehold on the 2009 season.
The Fifth Circuit Court of Appeals has decided, in a convoluted and dissent-provoking way, not to decide a politically charged global-warming lawsuit against ExxonMobil, BP, AES, Dow Chemical and most of the rest of the American industrial establishment.
So BP sees Mr Fridman's resignation as part of a new campaign to put pressure on BP to organise a whole or partial buyout of their holding in TNK-BP.
TNK-BP is important to BP financially as it accounts for almost a third of the London-based oil firm's total crude production and about 10% of its net income.
The In Amenas plant - a joint venture between state-owned oil firm Sonatrach, UK multinational BP and Norway's Statoil - has been operating since 2006 and has a production capacity of nine billion cubic meters per year.
"The Gulf of Mexico explosion was a terrible tragedy for which--as the man in charge of BP when it happened--I will always feel a deep responsibility, regardless of where blame is ultimately found to lie, " Hayward said.
However, the deal conflicted with provisions included as a part of the TNK-BP agreement.
FORBES: BP Gets Shafted In Russian Deal To Explore Arctic With Rosneft
This included Mr Dudley, who since late July has tried to direct TNK-BP from a secret location abroad.
The conflict at TNK-BP remains a dispute between private shareholders.
Another goal, kick-started by a grant from British Petroleum (nyse: BP - news - people ), is to create bacteria that can efficiently turn corn and other plants into bio-fuels.
The Kremlin is an important constituency for BP because the British giant's TNK-BP Ltd. venture in Russia represents almost a quarter of BP's global production.
Importantly, though, BP receives a way out of its strained relations with its TNK-BP parnters.
FORBES: From Russia With Love: BP Draws Closer To Kremlin With $30B Sale of TNK-BP Stake
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