article_snippet.sent: It is believed another 20billion barrels can be recovered before extraction becomes too difficult.
article_snippet.sent: Experts warned last night that only a fraction of the Weald Basin oil may be accessible for extraction.
article_snippet.sent: Experts also claimed fracking could be required to retrieve significant volumes.
article_snippet.sent: At current crude prices, this could be worth £3.7trillion.
article_snippet.sent: If flow tests showed oil could be extracted, the production process could begin within 18 months, he added.
article_snippet.sent: US firm Nutech, which conducted the tests, estimated 3 per cent to 15 per cent of the oilfield could be extracted – up to 15billion barrels.
article_snippet.sent: The well is situated in this container on the proposed drilling site .
article_snippet.sent: Experts are now trying to work out how much of the oil will be properly recoverable .
article_snippet.sent: ‘like a big sponge’ and that ‘you can effectively suck the oil out’.
article_snippet.sent: ‘The question is can The question produce oil?
article_snippet.sent: It is not yet known how much of oil will be easily recoverable .
highlights_snippet.sent: If the maximum amount of oil is extracted the maximum amount of oil is extracted will be worth £600billion .
  