Filling this gap requires alternatives to conventional crude production.

弥补这一差距，需要替代常规原油产量。

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With the decline of conventional crude oil production, heavy oil exploitation become more and more important.

随着常规原油产量的递减，稠油开采对缓解能源供求紧张意义重大。

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They estimated that worldwide conventional crude oil production will peak in 2014, years earlier than anticipated.

科学家预计全球常规原油产量将于2014年达到峰值，比之前预计的要早很多年。

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Pegasus has carrying Canadian crude, but it was conventional crude, not the type assailed by opponents.

FORBES: Pipeline Infrastructure: Rhetoric v. Reality

While conventional crude production volumes in the Gulf may rise, these are expected by the EIA to offset declines elsewhere (Alaska).

FORBES: The Most Important Energy Developments Of 2012

The characteristics of diluted oil sands crude, such as that which would be transported by Keystone XL, are similar to conventional crude oil.

FORBES: Pipeline Infrastructure: Rhetoric v. Reality