The plane was excavated with steam hoses, dismantled and lifted to the surface.

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"Well No. 4 in this area was being drilled at this site here when suddenly an underground steam explosion managed to get its way to the surface, " he explains.

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The Isles of Scilly Steam Ship Company's Skybus service said the matting would help to "reinforce the surface".

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You drill two horizontal wells and inject steam into the upper one, draw bitumen by gravity into the lower well and bring it to the surface.

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